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Prof. Carmine Crecchio
Università degli Studi di Bari Aldo Moro, Bari, Italy

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Research Keywords & Expertise

0 Soil Fertility
0 Plant Growth Promoting Bacteria
0 biofertilizers
0 Soil Microbial diversity
0 Metagenomics of soil bacteria communities

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Plant Growth Promoting Bacteria
Soil Fertility
biofertilizers
Soil Microbial diversity

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Original article
Published: 25 July 2021 in Acta Physiologiae Plantarum
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The current research was carried out to evaluate the stress tolerance potential of durum wheat plants, in response to the inoculation of native plant growth-promoting bacteria (PGPB), through assessing PSII photochemistry and photosynthetic traits, as well as grain yield and plant height, and to investigate the possibility of using PGPB as a sustainable alternative or in combination with traditional fertilization plans. A greenhouse experiment included chemical/microbiological fertilization and stress (salinity and drought) treatments. The results indicated that the application of bacterial consortium of four PGPB markedly augmented some biochemical and functional traits in photosystem II, such as effective quantum yield of PSII photochemistry (Y(II)), electron transport rate of PSII (ETR), photosynthesis capacity, transpiration rate and stomatal conductance in unstressed plants, and prevented severe changes in the mentioned traits under drought and salinity conditions. The application of PGPB contributed to enhanced grain yield, too. Furthermore, a better performance of the PGPB inoculation was found in combination with half-dose of the recommended chemical fertilizers. In conclusion, PGPB inoculants maintain or improve the photosynthesis efficiency of durum wheat, grain yield and plant height, particularly under stress conditions, and can help to minimize the consumption of chemical fertilizers.

ACS Style

Mohammad Yaghoubi Khanghahi; Beniamino Leoni; Carmine Crecchio. Photosynthetic responses of durum wheat to chemical/microbiological fertilization management under salt and drought stresses. Acta Physiologiae Plantarum 2021, 43, 1 -14.

AMA Style

Mohammad Yaghoubi Khanghahi, Beniamino Leoni, Carmine Crecchio. Photosynthetic responses of durum wheat to chemical/microbiological fertilization management under salt and drought stresses. Acta Physiologiae Plantarum. 2021; 43 (8):1-14.

Chicago/Turabian Style

Mohammad Yaghoubi Khanghahi; Beniamino Leoni; Carmine Crecchio. 2021. "Photosynthetic responses of durum wheat to chemical/microbiological fertilization management under salt and drought stresses." Acta Physiologiae Plantarum 43, no. 8: 1-14.

Journal article
Published: 26 June 2021 in Biology
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Fire events in agricultural soils can modify not only soil properties but also the structure of soil microbial communities, especially in soils containing high concentrations of potentially toxic elements (PTEs). The recolonization of burned soils can in fact favor the proliferation of certain microorganisms, more adaptable to post-fire soil conditions and higher PTE availability, over others. In this study, we simulated with laboratory experiments the microbial recolonization of an agricultural soil containing high Cr concentrations after heating at 500 °C for 30 min, to mimic the burning of crop residues. Changes in soil properties and Cr speciation were assessed, as well as soil microbial structure by means of 16S rRNA gene sequencing. Both altered soil conditions and increased Cr availability, especially Cr(VI), appeared to be responsible for the reduction in species diversity in heated soils and the proliferation of Firmicutes. Indeed, already after 3 days from the heat treatment, Firmicutes increased from 14% to 60% relative abundance. In particular, Paenibacillus was the most abundant genus identified after the simulation, with an average relative abundance of 40%. These bacteria are known to be good fire-responders and Cr-tolerant. These results could be useful to identify bacterial strains to be used as bioindicators of altered environments and for the recovery of fire-impacted polluted sites.

ACS Style

Ida Rascio; Maddalena Curci; Concetta Gattullo; Anna Lavecchia; Mohammad Yaghoubi Khanghahi; Roberto Terzano; Carmine Crecchio. Combined Effect of Laboratory-Simulated Fire and Chromium Pollution on Microbial Communities in an Agricultural Soil. Biology 2021, 10, 587 .

AMA Style

Ida Rascio, Maddalena Curci, Concetta Gattullo, Anna Lavecchia, Mohammad Yaghoubi Khanghahi, Roberto Terzano, Carmine Crecchio. Combined Effect of Laboratory-Simulated Fire and Chromium Pollution on Microbial Communities in an Agricultural Soil. Biology. 2021; 10 (7):587.

Chicago/Turabian Style

Ida Rascio; Maddalena Curci; Concetta Gattullo; Anna Lavecchia; Mohammad Yaghoubi Khanghahi; Roberto Terzano; Carmine Crecchio. 2021. "Combined Effect of Laboratory-Simulated Fire and Chromium Pollution on Microbial Communities in an Agricultural Soil." Biology 10, no. 7: 587.

Journal article
Published: 03 June 2021 in Sustainability
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Crop residues are widely considered as a biofuel source and used in livestock feeding, or are burned off to clean the field for tillage and planting. Nonetheless, crop residue burning poses serious threats to the soil stability and sustainability of the food chain. This study aimed to investigate the potential environmental impacts of wheat residues burning on declines in soil quality in developing (Iran) and developed (Italy) countries by analyzing metadata of the last 50 years. All metadata were provided from the ‘Food and Agriculture Organization of the United Nations’ (FAO) including wheat harvested area, annual production, and biomass burning, to assess the potential impact of crop residue burning on soil quality. In detail, the greenhouse gases (GHGs) emission, and energy and nutrient losses by the wheat residues burning were estimated. Our results showed a robust interdependence between wheat residues burning and environmental effects in both developed and developing systems. Accordingly, the global warming potential increased in Iran (4286 to 5604 kg CO2eq) and decreased in Italy (3528 to 1524 kg CO2eq) over the last 50 years. Amongst all nutrient losses, nitrogen represents the higher lost value in both countries, followed by potassium, sulfur, and phosphorus.

ACS Style

Mohsen Jamali; Esmaeil Bakhshandeh; Mohammad Yaghoubi Khanghahi; Carmine Crecchio. Metadata Analysis to Evaluate Environmental Impacts of Wheat Residues Burning on Soil Quality in Developing and Developed Countries. Sustainability 2021, 13, 6356 .

AMA Style

Mohsen Jamali, Esmaeil Bakhshandeh, Mohammad Yaghoubi Khanghahi, Carmine Crecchio. Metadata Analysis to Evaluate Environmental Impacts of Wheat Residues Burning on Soil Quality in Developing and Developed Countries. Sustainability. 2021; 13 (11):6356.

Chicago/Turabian Style

Mohsen Jamali; Esmaeil Bakhshandeh; Mohammad Yaghoubi Khanghahi; Carmine Crecchio. 2021. "Metadata Analysis to Evaluate Environmental Impacts of Wheat Residues Burning on Soil Quality in Developing and Developed Countries." Sustainability 13, no. 11: 6356.

Review article
Published: 03 May 2021 in Chemosphere
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In the last years, uncontrolled fires are frequently occurring in forest and agricultural areas as an indirect effect of the rising aridity and global warming or caused by intentional illegal burnings. In addition, controlled burning is still largely used by farmers as an agricultural practice in many parts of the world. During fire events, soil can reach very high temperatures at the soil surface, causing dramatic changes of soil properties and elements biogeochemistry. Among soil elements, also potentially toxic elements (PTEs) can be affected by fires, becoming more or less mobile and bioavailable, depending on fire severity and soil characteristics. Such transformations could be particularly relevant in agricultural soils used for crop productions since fire events could modify PTEs speciation and uptake by plants and associated (micro)organisms thus endangering the whole food-chain. In this review, after describing the effects of fire on soil minerals and organic matter, the impact of fires on PTEs distribution and speciation in soils is presented, as well as their influence on soil microorganisms and plants uptake. The most common experimental methods used to simulate fires at the laboratory and field scale are briefly illustrated, and finally the impact that traditional and innovative agricultural practices can have on PTEs availability in burned agricultural soils is discussed in a future research perspective.

ACS Style

Roberto Terzano; Ida Rascio; Ignazio Allegretta; Carlo Porfido; Matteo Spagnuolo; Mohammad Yaghoubi Khanghahi; Carmine Crecchio; Fani Sakellariadou; Concetta Eliana Gattullo. Fire effects on the distribution and bioavailability of potentially toxic elements (PTEs) in agricultural soils. Chemosphere 2021, 281, 130752 .

AMA Style

Roberto Terzano, Ida Rascio, Ignazio Allegretta, Carlo Porfido, Matteo Spagnuolo, Mohammad Yaghoubi Khanghahi, Carmine Crecchio, Fani Sakellariadou, Concetta Eliana Gattullo. Fire effects on the distribution and bioavailability of potentially toxic elements (PTEs) in agricultural soils. Chemosphere. 2021; 281 ():130752.

Chicago/Turabian Style

Roberto Terzano; Ida Rascio; Ignazio Allegretta; Carlo Porfido; Matteo Spagnuolo; Mohammad Yaghoubi Khanghahi; Carmine Crecchio; Fani Sakellariadou; Concetta Eliana Gattullo. 2021. "Fire effects on the distribution and bioavailability of potentially toxic elements (PTEs) in agricultural soils." Chemosphere 281, no. : 130752.

Journal article
Published: 30 December 2020 in Microorganisms
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This study aimed to isolate lactic acid bacteria (LAB) from wheat rhizosphere, to characterize their in vitro plant growth promoting activities and to differentiate plant-associated LAB from those associated with foods or human disease through comparative genomic analysis. Lactococcus lactis subsp. lactis and Enterococcus faecium were isolated using de Man-Rogosa-Sharpe (MRS) and Glucose Yeast Peptone (GYP) as enrichment culture media. Comparative genomic analyses showed that plant-associated LAB strains were enriched in genes coding for bacteriocin production when compared to strains from other ecosystems. Isolates o f L. lactis and E. faecium did not produce physiologically relevant concentrations of the phyto-hormone indolacetic acid. All isolates solubilized high amount of phosphate and 12 of 16 strains solubilized potassium. E. faecium LB5, L. lactis LB6, LB7, and LB9 inhibited the plant pathogenic Fusarium graminearum to the same extent as two strains of Bacillus sp. However, the antifungal activity of the abovementioned LAB strains depended on the medium of cultivation and a low pH while antifungal activity of Bacillus spp. was independent of the growth medium and likely relates to antifungal lipopeptides. This study showed the potential of rhizospheric LAB for future application as biofertilizers in agriculture.

ACS Style

Sabrina Strafella; David Simpson; Mohammad Yaghoubi Khanghahi; Maria De Angelis; Michael Gänzle; Fabio Minervini; Carmine Crecchio. Comparative Genomics and In Vitro Plant Growth Promotion and Biocontrol Traits of Lactic Acid Bacteria from the Wheat Rhizosphere. Microorganisms 2020, 9, 78 .

AMA Style

Sabrina Strafella, David Simpson, Mohammad Yaghoubi Khanghahi, Maria De Angelis, Michael Gänzle, Fabio Minervini, Carmine Crecchio. Comparative Genomics and In Vitro Plant Growth Promotion and Biocontrol Traits of Lactic Acid Bacteria from the Wheat Rhizosphere. Microorganisms. 2020; 9 (1):78.

Chicago/Turabian Style

Sabrina Strafella; David Simpson; Mohammad Yaghoubi Khanghahi; Maria De Angelis; Michael Gänzle; Fabio Minervini; Carmine Crecchio. 2020. "Comparative Genomics and In Vitro Plant Growth Promotion and Biocontrol Traits of Lactic Acid Bacteria from the Wheat Rhizosphere." Microorganisms 9, no. 1: 78.

Article
Published: 23 December 2020 in Current Microbiology
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This research aimed at investigating the isolation and identification of bacterial strains with biological nitrogen-fixing capability and phosphate, potassium, and zinc solubilization activities from a durum wheat field under two different tillage practices including 10 years of conventional tillage (CT) and no-tillage (NT) practices. Attempts were also extended to estimate their relative abundances in the soil as well as to develop accurate mathematical models in determining the effect of different temperatures, NaCl concentrations and pH on the growth, and activity of selected isolates. Twelve effective bacterial strains, including Pseudomonas, Acinetobacter, and Comamonas genera, were identified with a great potential to solubilize the insoluble forms of phosphate (from 11.1 to 115.5 mg l−1 at pH 8), potassium (from 32.2 to 35.6 mg l−1 at pH 7), and zinc (from 1.11 to 389.90 mg l−1 at pH 9) as well as to fix N2 gas (from 19.9 to 25.2 mg l−1). To our knowledge, this is the first report of the ability of Comamonas testosteroni and Acinetobacter pittii to fix nitrogen and to solubilize insoluble potassium compound, respectively. Three families, Moraxellaceae, Pseudomonadaceae, and Comamonadaceae, showed a higher percentage of abundance in the NT samples as compared to the CT, but only significant difference was observed in the relative abundance of Pseudomonadaceae (P < 0.01). These strains could be definitively recommended as inoculants to promote plant growth in the wide ranges of pH, salinity levels (with maximum growth and complete inhibition of growth from 0.67–0.92% to 3.5–9.3% NaCl, respectively), and temperatures (2.1–45.1 °C).

ACS Style

Mohammad Yaghoubi Khanghahi; Sabrina Strafella; Ignazio Allegretta; Carmine Crecchio. Isolation of Bacteria with Potential Plant-Promoting Traits and Optimization of Their Growth Conditions. Current Microbiology 2020, 78, 464 -478.

AMA Style

Mohammad Yaghoubi Khanghahi, Sabrina Strafella, Ignazio Allegretta, Carmine Crecchio. Isolation of Bacteria with Potential Plant-Promoting Traits and Optimization of Their Growth Conditions. Current Microbiology. 2020; 78 (2):464-478.

Chicago/Turabian Style

Mohammad Yaghoubi Khanghahi; Sabrina Strafella; Ignazio Allegretta; Carmine Crecchio. 2020. "Isolation of Bacteria with Potential Plant-Promoting Traits and Optimization of Their Growth Conditions." Current Microbiology 78, no. 2: 464-478.

Editorial
Published: 29 October 2020 in Diversity
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The Special Issue “Genetic Diversity of Soil Bacterial Communities” collected research and review articles addressing some relevant and unclear aspects of the composition and functioning of bacterial communities in rich or marginal agricultural soils, in field trials as well as in laboratory-scale experiments, at different latitudes and under different types of management.

ACS Style

Carmine Crecchio. Genetic Diversity of Soil Bacteria. Diversity 2020, 12, 414 .

AMA Style

Carmine Crecchio. Genetic Diversity of Soil Bacteria. Diversity. 2020; 12 (11):414.

Chicago/Turabian Style

Carmine Crecchio. 2020. "Genetic Diversity of Soil Bacteria." Diversity 12, no. 11: 414.

Research paper
Published: 07 September 2020 in Soil Use and Management
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This research attempted to investigate a part of the United Nations sustainable development goal 15, dealing with preventing land degradation and halting the loss of microorganisms’ diversity. Since soil deterioration and biodiversity loss in the Mediterranean area are occurring because of intensive management, we evaluated some biochemical and microbiological parameters and bacterial biodiversity under long‐term conventional tillage (CT) and no‐tillage (NT) practices, in Basilicata, a typical Region of Southern Italy, characterized by a semiarid ecosystem. The highest biological fertility index (BFI) (composed of soil organic matter, microbial biomass C, cumulative microbial respiration during 25 days of incubation, basal respiration, metabolic quotient and mineralization quotient) was determined for the 0–20 cm of NT soil (class V, high biological fertility level). The analysis of the taxonomic composition at the phylum level revealed the higher relative abundance of copiotrophic bacteria such as Proteobacteria, Actinobacteria and Bacteroidetes in the NT soil samples as compared to the CT soil. These copiotrophic phyla, more important decomposers of soil organic matter (SOM) than oligotrophic phyla, are responsible of a higher microbial C use efficiency (CUE) in tilled soil, being microbial community composition, C substrates content and CUE closely linked. The higher Chao1 and Shannon indices, under the NT management, also supported the hypothesis that the bacterial diversity and richness increased in the no‐till soils. In conclusion, we can assume that the long‐term no‐tillage can preserve an agricultural soil in a semiarid ecosystem, enhancing soil biological fertility level and bacterial diversity.

ACS Style

Mohammad Yaghoubi Khanghahi; Giovanna Cucci; Giovanni Lacolla; Loredana Lanzellotti; Carmine Crecchio. Soil fertility and bacterial community composition in a semiarid Mediterranean agricultural soil under long‐term tillage management. Soil Use and Management 2020, 36, 604 -615.

AMA Style

Mohammad Yaghoubi Khanghahi, Giovanna Cucci, Giovanni Lacolla, Loredana Lanzellotti, Carmine Crecchio. Soil fertility and bacterial community composition in a semiarid Mediterranean agricultural soil under long‐term tillage management. Soil Use and Management. 2020; 36 (4):604-615.

Chicago/Turabian Style

Mohammad Yaghoubi Khanghahi; Giovanna Cucci; Giovanni Lacolla; Loredana Lanzellotti; Carmine Crecchio. 2020. "Soil fertility and bacterial community composition in a semiarid Mediterranean agricultural soil under long‐term tillage management." Soil Use and Management 36, no. 4: 604-615.

Journal article
Published: 05 August 2020 in Soil Systems
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The adoption of sewage sludge as an agricultural management strategy to improve soil properties and crop production is attracting great interest. Despite many positive effects on soil inorganic and organic components reported for different soil types, little information is available on sewage sludge application on Mediterranean soils, as well as on its use at different dose rates. The objectives of the present research was to evaluate, through an integrated approach, the effects of sewage sludge compost from urban wastewater on physicochemical, hydrological, biochemical parameters, and microbiota composition in soil pots under a three-year crop rotation system. Four different doses of sewage sludge compost (C3, C6, C9, C12) from municipal wastewater and a dose of them in combination with mineral fertilizer (C6N) were used. We have used 3-6-9-12 Mg/ha of sewage sludge compost for the treatments C3, C6, C9 and C12, respectively, and 6 Mg/ha of sewage sludge compost in combination with 60 kg/ha of ammonium nitrate for the treatment C6N.The effects were compared to non-fertilized (C0) and mineral fertilized (Min) sets of controls. The electrical conductivity, soil pH, stability of soil aggregates, percent of moisture of the dry soil both at the field capacity and at the wilting point, available P, and exchangeable K were all positively affected by increasing the amounts of composted sludge. The organic carbon and total N increased up to 66% and 39%, respectively. Increased enzymatic activities and microbial biomass were also observed in soil after the application of sewage sludge compost when compared to un-amended control. A higher richness and evenness among the soil plots amended with sewage sludge compost was observed, with no significant differences among the application dose rates, when compared to the un-amended soil control and soil treated with a mineral fertilizer. A three-year amendment was able to separate soil plots amended with high doses of sewage sludge compost from the low dose amended and control samples. Among the microbial groups responsible for such marked separation, bacteria belonging to Actinobacteria, Acidobacteria, Cyanobacteria and Bacteroidetes contribute the most, with a shift from oligotrophic to copiotrophic taxa. Significant changes in bacterial composition and taxonomic structure should be considered in order to properly balance agronomic and economic advantages with environmental concerns. After all, our results have evidenced the effects of sewage sludge amendment on different soil properties, microbial activity, and composition already after a short period of application. The findings are particularly relevant in semiarid soils, where an immediate restoration of soil fertility by short-term compost application is needed.

ACS Style

Maddalena Curci; Anna Lavecchia; Giovanna Cucci; Giovanni LaColla; Ugo De Corato; Carmine Crecchio. Short-Term Effects of Sewage Sludge Compost Amendment on Semiarid Soil. Soil Systems 2020, 4, 48 .

AMA Style

Maddalena Curci, Anna Lavecchia, Giovanna Cucci, Giovanni LaColla, Ugo De Corato, Carmine Crecchio. Short-Term Effects of Sewage Sludge Compost Amendment on Semiarid Soil. Soil Systems. 2020; 4 (3):48.

Chicago/Turabian Style

Maddalena Curci; Anna Lavecchia; Giovanna Cucci; Giovanni LaColla; Ugo De Corato; Carmine Crecchio. 2020. "Short-Term Effects of Sewage Sludge Compost Amendment on Semiarid Soil." Soil Systems 4, no. 3: 48.

Journal article
Published: 01 August 2020 in LWT - Food Science and Technology
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Although the use of technological coadjuvants during virgin olive oil extraction helps in maximising the process efficiency, it could influence the characteristics of the final product. So far, why this happens is still not understood. In this context, an influence on the biochemical activities occurring during the malaxation step was supposed, and this hypothesis was verified by a response surface methodology approach. The effect of two independent variables, namely malaxation temperature and amount of coadjuvant, on polyphenol oxidase, peroxidase and lipoxygenase activities as well as on the corresponding phenolic and volatile compounds of the oils was studied. Calcium carbonate enhanced the activities of oxidases leading to a reduction of phenolic compounds, which were negatively correlated with the coadjuvant usage. Micronized natural talc behaved the opposite but had a general weaker influence, often overcome by that of mixing temperature. A significant shift of the olive paste pH toward that optimal for oxidases enzymes was highlighted under the use of calcium carbonate. The findings evidenced a “side effect” of the use of technological coadjuvants in the context of virgin olive oil extraction.

ACS Style

Giacomo Squeo; Graziana Difonzo; Carmine Summo; Carmine Crecchio; Francesco Caponio. Study of the influence of technological coadjuvants on enzyme activities and phenolic and volatile compounds in virgin olive oil by a response surface methodology approach. LWT - Food Science and Technology 2020, 133, 109887 .

AMA Style

Giacomo Squeo, Graziana Difonzo, Carmine Summo, Carmine Crecchio, Francesco Caponio. Study of the influence of technological coadjuvants on enzyme activities and phenolic and volatile compounds in virgin olive oil by a response surface methodology approach. LWT - Food Science and Technology. 2020; 133 ():109887.

Chicago/Turabian Style

Giacomo Squeo; Graziana Difonzo; Carmine Summo; Carmine Crecchio; Francesco Caponio. 2020. "Study of the influence of technological coadjuvants on enzyme activities and phenolic and volatile compounds in virgin olive oil by a response surface methodology approach." LWT - Food Science and Technology 133, no. : 109887.

Journal article
Published: 22 July 2020 in Applied Sciences
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The present research aimed at evaluating the harmless dissipation of excess excitation energy by durum wheat (Triticum durum Desf.) leaves in response to the application of a bacterial consortium consisting of four plant growth-promoting bacteria (PGPB). Three pot experiments were carried out under non-stress, drought (at 40% field capacity), and salinity (150 mM NaCl) conditions. The results showed that drought and salinity affected photo-protective energy dissipation of photosystem II (PSII) increasing the rate of non-photochemical chlorophyll fluorescence quenching (NPQ (non-photochemical quenching) and qCN (complete non-photochemical quenching)), as well as decreasing the total quenching of chlorophyll fluorescence (qTQ), total quenching of variable chlorophyll fluorescence (qTV) and the ratio of the quantum yield of actual PSII photochemistry, in light-adapted state to the quantum yield of the constitutive non-regulatory NPQ (PQ rate). Our results also indicated that the PGPB inoculants can mitigate the adverse impacts of stresses on leaves, especially the saline one, in comparison with the non-fertilized (control) treatment, by increasing the fraction of light absorbed by the PSII antenna, PQ ratio, qTQ, and qTV. In the light of findings, our beneficial bacterial strains showed the potential in reducing reliance on traditional chemical fertilizers, in particular in saline soil, by improving the grain yield and regulating the amount of excitation energy.

ACS Style

Mohammad Yaghoubi Khanghahi; Sabrina Strafella; Carmine Crecchio. Changes in Photo-Protective Energy Dissipation of Photosystem II in Response to Beneficial Bacteria Consortium in Durum Wheat under Drought and Salinity Stresses. Applied Sciences 2020, 10, 5031 .

AMA Style

Mohammad Yaghoubi Khanghahi, Sabrina Strafella, Carmine Crecchio. Changes in Photo-Protective Energy Dissipation of Photosystem II in Response to Beneficial Bacteria Consortium in Durum Wheat under Drought and Salinity Stresses. Applied Sciences. 2020; 10 (15):5031.

Chicago/Turabian Style

Mohammad Yaghoubi Khanghahi; Sabrina Strafella; Carmine Crecchio. 2020. "Changes in Photo-Protective Energy Dissipation of Photosystem II in Response to Beneficial Bacteria Consortium in Durum Wheat under Drought and Salinity Stresses." Applied Sciences 10, no. 15: 5031.

Journal article
Published: 06 May 2020 in Applied Soil Ecology
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Crop rotation is a common practice aimed at enhancing both plant disease suppression and crop productivity under open field condition. The objective of the present study was to evaluate the effects of tomato-wheat rotation on Fusarium wilt suppression and shoot growth on tomato in comparison to tomato monoculture. The following factors were determined and integrated through a transdisciplinary approach: (i) soil chemical parameters; (ii) abundance, composition, richness and diversity of soil fungal and bacterial communities; (iii) soil biochemical and enzymatic indicators; (iv) abundance of Fusarium oxysporum isolates in rhizosphere under tomato cultivation and evaluation of the pathogenicity of the isolates; (v) suppressive response of the bulk soil samples against a selected pathogenic strain of Fusarium oxysporum f. sp. lycopersici on tomato; and (vi) tomato shoot growth. The integrated approach included soil amplicon sequencing by metabarcoding analyses carried out by Illumina MiSeq platform in association with the standard procedure for soil analyses. In addition, the pathogenicity of F. oxysporum from the tomato rhizosphere and the suppressive response of the soil bulk to Fusarium wilt were performed by bioassays under greenhouse condition. The results showed that, if durum wheat was rotated with cherry tomato for at least four consecutive years, it had the following beneficial effects: (i) increased suppressive response of the bulk soil samples against F. oxysporum f. sp. lycopersici, (ii) decreased abundance of the F. oxysporum isolates in tomato rhizosphere, (iii) decreased pathogenicity of the F. oxysporum isolates, and (iv) increased tomato shoot growth. The increased abundance of certain microbial groups belonging to potential biocontrol agents against fusaria-related wilt including Bacillales (Bacillus and Paenibacillus), Pseudomonadales (Pseudomonas), Streptomycetales (Streptomyces), Eurotiales (Aspergillus and Penicillium) and Mortierellales (Mortierella), as well as the highest tomato shoot growth, coincided with the end of the second wheat rotation cycle. There were significant Spearman cross-correlations and two-way ANOVA interactions among the microbiome variables with the (i) soil chemical parameters, (ii) abundance and pathogenicity of the F. oxysporum isolates in tomato rhizosphere, (iii) soil suppression to Fusarium wilt, and (iv) tomato shoot growth. The results indicate that a soil managed under tomato-wheat rotation displays increased suppressive response against Fusarium wilt and improved shoot growth in tomato plants by changing the microbial composition and chemical parameters of the soil.

ACS Style

Ugo De Corato; Luigi Patruno; Nicola Avella; Rocco Salimbeni; Giovanni Lacolla; Giovanna Cucci; Carmine Crecchio. Soil management under tomato-wheat rotation increases the suppressive response against Fusarium wilt and tomato shoot growth by changing the microbial composition and chemical parameters. Applied Soil Ecology 2020, 154, 103601 .

AMA Style

Ugo De Corato, Luigi Patruno, Nicola Avella, Rocco Salimbeni, Giovanni Lacolla, Giovanna Cucci, Carmine Crecchio. Soil management under tomato-wheat rotation increases the suppressive response against Fusarium wilt and tomato shoot growth by changing the microbial composition and chemical parameters. Applied Soil Ecology. 2020; 154 ():103601.

Chicago/Turabian Style

Ugo De Corato; Luigi Patruno; Nicola Avella; Rocco Salimbeni; Giovanni Lacolla; Giovanna Cucci; Carmine Crecchio. 2020. "Soil management under tomato-wheat rotation increases the suppressive response against Fusarium wilt and tomato shoot growth by changing the microbial composition and chemical parameters." Applied Soil Ecology 154, no. : 103601.

Articles
Published: 12 March 2020 in Journal of Plant Nutrition
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Two field experiments were carried out separately to evaluate the ability of three plant growth promoting microorganisms (PGPM, Pantoea ananatis, Enterobacter sp. and Piriformospora indica) as bio-fertilizer on rice (Oryza sativa L.) productivity under different levels of potassium sulfate fertilizer (PSF). The results clearly showed that the PGPM significantly enhance the dry weight of rice plant tissues as compared with the control. Uptake of phosphorus and potassium in rice plant tissues and also nutrient use efficiency (NUE) remarkably increased especially when the co-inoculation with P. ananatis and P. indica in experiment I and the combined (seed + seedling root) inoculation method in experiment II were used. Grain yield (GY) increased linearly with the addition of PSF up to 110 kg ha−1 for the co-inoculation treatment (23% lower than the control), then remained constant at its maximum (5348 kg ha−1, 32% higher than the control) up to 180 kg ha−1 in experiment I. Similarly, the maximum value of GY (5330 kg ha−1, 20% more than the control) was obtained at 100 kg ha−1 PSF in experiment II. Consequently, both co-inoculation and combined inoculation methods could be selected as the best ways for improving NUE and plant growth of rice in sustainable production systems.

ACS Style

Esmaeil Bakhshandeh; Hemmatollah Pirdashti; Khadejeh Shahsavarpour Lendeh; Zahra Gilani; Mohammad Yaghoubi Khanghahi; Carmine Crecchio. Effects of plant growth promoting microorganisms inoculums on mineral nutrition, growth and productivity of rice (Oryza sativa L.). Journal of Plant Nutrition 2020, 43, 1643 -1660.

AMA Style

Esmaeil Bakhshandeh, Hemmatollah Pirdashti, Khadejeh Shahsavarpour Lendeh, Zahra Gilani, Mohammad Yaghoubi Khanghahi, Carmine Crecchio. Effects of plant growth promoting microorganisms inoculums on mineral nutrition, growth and productivity of rice (Oryza sativa L.). Journal of Plant Nutrition. 2020; 43 (11):1643-1660.

Chicago/Turabian Style

Esmaeil Bakhshandeh; Hemmatollah Pirdashti; Khadejeh Shahsavarpour Lendeh; Zahra Gilani; Mohammad Yaghoubi Khanghahi; Carmine Crecchio. 2020. "Effects of plant growth promoting microorganisms inoculums on mineral nutrition, growth and productivity of rice (Oryza sativa L.)." Journal of Plant Nutrition 43, no. 11: 1643-1660.

Original paper
Published: 06 January 2020 in Journal of Soil Science and Plant Nutrition
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The intensive application of chemical fertilizers to overcome deficiency of nutrients and achieve maximum agricultural productivity has led to environmental impacts. A significant strategy for sustainable management, by decreasing the use of chemical fertilizers, can consist in the technology based on suitable levels of fertilization in combination with plant growth-promoting bacteria (PGPB) inoculation. This work aimed to test in vivo a consortium of three PGPB, previously isolated and characterized in vitro, on Barattiere plants (Cucumis melo L.). Plants were grown in a soilless system at the commercial dose of mineral fertilizer and at half dose, in order to evaluate the effects of these microorganisms on plant physiology, yield, and the transcriptional expression of four genes involved in NH4+ (AMT2), Fe (FRO, IRT1), and Pi (PHT1) transport and uptake by plant. Our results indicate that even in a soilless pot experiment, where a mineral nutrition solution is used, the bacterial consortium of PGPB improves fruit yield and early maturity, some physiological parameters, and upregulates the expression of some key genes related to N, Fe, and Pi plant nutrition, remarking the environmental and economic gains deriving from the use of half dose of mineral fertilizer.

ACS Style

Pasqua Murgese; Pietro Santamaria; Beniamino Leoni; Carmine Crecchio. Ameliorative Effects of PGPB on Yield, Physiological Parameters, and Nutrient Transporter Genes Expression in Barattiere (Cucumis melo L.). Journal of Soil Science and Plant Nutrition 2020, 20, 784 -793.

AMA Style

Pasqua Murgese, Pietro Santamaria, Beniamino Leoni, Carmine Crecchio. Ameliorative Effects of PGPB on Yield, Physiological Parameters, and Nutrient Transporter Genes Expression in Barattiere (Cucumis melo L.). Journal of Soil Science and Plant Nutrition. 2020; 20 (2):784-793.

Chicago/Turabian Style

Pasqua Murgese; Pietro Santamaria; Beniamino Leoni; Carmine Crecchio. 2020. "Ameliorative Effects of PGPB on Yield, Physiological Parameters, and Nutrient Transporter Genes Expression in Barattiere (Cucumis melo L.)." Journal of Soil Science and Plant Nutrition 20, no. 2: 784-793.

Journal article
Published: 10 November 2019 in Diversity
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The current study was performed to investigate the effects of three different long-term land use intensities on adjacent soil plots, namely a winter wheat field, a grass-covered vineyard, and a cherry farm, on soil biochemical, microbial, and molecular parameters. The results showed the maximum content of soil organic matter (SOM) and microbial biomass carbon (MBC) observed in the grass-covered vineyard. Basal respiration (BSR) and the cumulated respiration (CSR) after 25 days of incubation were significantly higher in the grass-covered vineyard and cherry farm, respectively (BSR 11.84 mg CO2–C kg−1 soil d−1, CSR 226.90 mg CO2–C kg−1 soil). Grass-covered vineyard showed the highest soil biological fertility index (BFI) score (20) and ranked in the class IV (good) of soil biological fertility. Cereal field and cherry farm had lower BFI scores and the corresponding BFI class was III (medium). In addition, the maximum ribosomal RNA copy number and the highest abundance of oligotrophic bacterial groups (25.52% Actinobacteria, 3.45% Firmicutes, and 1.38% Acidobacteria) were observed in the grass-covered vineyard. In conclusion, the grass-covered vineyard is a more conservative system and could have a large potential to improve total carbon storage in soil, mainly because of the cover crop residue management and the low soil perturbation through the no-tillage system.

ACS Style

Mohammad Yaghoubi Khanghahi; Pasqua Murgese; Sabrina Strafella; Carmine Crecchio. Soil Biological Fertility and Bacterial Community Response to Land Use Intensity: A Case Study in the Mediterranean Area. Diversity 2019, 11, 211 .

AMA Style

Mohammad Yaghoubi Khanghahi, Pasqua Murgese, Sabrina Strafella, Carmine Crecchio. Soil Biological Fertility and Bacterial Community Response to Land Use Intensity: A Case Study in the Mediterranean Area. Diversity. 2019; 11 (11):211.

Chicago/Turabian Style

Mohammad Yaghoubi Khanghahi; Pasqua Murgese; Sabrina Strafella; Carmine Crecchio. 2019. "Soil Biological Fertility and Bacterial Community Response to Land Use Intensity: A Case Study in the Mediterranean Area." Diversity 11, no. 11: 211.

Journal article
Published: 16 May 2019 in Photosynthetica
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M. Khanghahi; H. Pirdashti; H. Rahimian; G.H. Nematzadeh; M. Sepanlou; E. Salvatori; C. Crecchio. Leaf photosynthetic characteristics and photosystem II photochemistry of rice (Oryza sativa L.) under potassium-solubilizing bacteria inoculation. Photosynthetica 2019, 57, 500 -511.

AMA Style

M. Khanghahi, H. Pirdashti, H. Rahimian, G.H. Nematzadeh, M. Sepanlou, E. Salvatori, C. Crecchio. Leaf photosynthetic characteristics and photosystem II photochemistry of rice (Oryza sativa L.) under potassium-solubilizing bacteria inoculation. Photosynthetica. 2019; 57 (2):500-511.

Chicago/Turabian Style

M. Khanghahi; H. Pirdashti; H. Rahimian; G.H. Nematzadeh; M. Sepanlou; E. Salvatori; C. Crecchio. 2019. "Leaf photosynthetic characteristics and photosystem II photochemistry of rice (Oryza sativa L.) under potassium-solubilizing bacteria inoculation." Photosynthetica 57, no. 2: 500-511.

Journal article
Published: 01 May 2019 in Applied Soil Ecology
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Adriano Sofo; Patrizia Ricciuti; Catia Fausto; Alba N. Mininni; Carmine Crecchio; Marina Scagliola; Anna Daniela Malerba; Cristos Xiloyannis; Bartolomeo Dichio. The metabolic and genetic diversity of soil bacterial communities depends on the soil management system and C/N dynamics: The case of sustainable and conventional olive groves. Applied Soil Ecology 2019, 137, 21 -28.

AMA Style

Adriano Sofo, Patrizia Ricciuti, Catia Fausto, Alba N. Mininni, Carmine Crecchio, Marina Scagliola, Anna Daniela Malerba, Cristos Xiloyannis, Bartolomeo Dichio. The metabolic and genetic diversity of soil bacterial communities depends on the soil management system and C/N dynamics: The case of sustainable and conventional olive groves. Applied Soil Ecology. 2019; 137 ():21-28.

Chicago/Turabian Style

Adriano Sofo; Patrizia Ricciuti; Catia Fausto; Alba N. Mininni; Carmine Crecchio; Marina Scagliola; Anna Daniela Malerba; Cristos Xiloyannis; Bartolomeo Dichio. 2019. "The metabolic and genetic diversity of soil bacterial communities depends on the soil management system and C/N dynamics: The case of sustainable and conventional olive groves." Applied Soil Ecology 137, no. : 21-28.

Journal article
Published: 18 December 2018 in Science of The Total Environment
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Under suitable conditions, low-quality, treated urban wastewater (TWW) is an additional water resource for irrigation in water-scarce environments but its use in agriculture requires a careful monitoring of a range of hygiene parameters, including human pathogenic bacteria (HPB). DNA-based microbiological analyses on soil, xylem sap, and leaves surface (phyllosphere) were carried out in an olive (Olea europaea L.) grove located in Southern Italy (Basilicata region). The experimental grove has been managed in two plots for 18 years. The experimental plot (WWtr) was drip irrigated daily with TWW (2800 m3 ha−1 year−1), while the control plot (RFtr) was rainfed. The results of the 16S-rRNA-based metagenomic analysis demonstrated that the phyllosphere had the lowest number of potential HPB (6), compared to soil (22) and xylem (26) compartments. Gammaproteobacteria, including potential HPB, like Pseudomonas and Acinetobacter spp., were significantly higher in WWtr soil and xylem sap, compared to RFtr. A similar trend was observed for Burkholderia spp. (Betaproteobacteria) and Mycobacterium spp. (Actinobacteria). The Firmicutes Enterococcus, Staphylococcus and Streptococcus spp. were more abundant in WWtr xylem sap. The pathogenic Clostridium perfringens was found higher on WWtr leaves (relative abundance 7.17 in WWtr and 1.33 in RFtr) and Enterococcus faecalis in WWtr xylem sap (93.22 in WWtr and 7.08 in RFtr). On the basis of the results obtained, the irrigation with TWW can be considered a realistic and safe agronomic practice in Mediterranean orchards, and an opportunity for farmers and consumers.

ACS Style

Adriano Sofo; Alba N. Mininni; Catia Fausto; Marina Scagliola; Carmine Crecchio; Cristos Xiloyannis; Bartolomeo Dichio. Evaluation of the possible persistence of potential human pathogenic bacteria in olive orchards irrigated with treated urban wastewater. Science of The Total Environment 2018, 658, 763 -767.

AMA Style

Adriano Sofo, Alba N. Mininni, Catia Fausto, Marina Scagliola, Carmine Crecchio, Cristos Xiloyannis, Bartolomeo Dichio. Evaluation of the possible persistence of potential human pathogenic bacteria in olive orchards irrigated with treated urban wastewater. Science of The Total Environment. 2018; 658 ():763-767.

Chicago/Turabian Style

Adriano Sofo; Alba N. Mininni; Catia Fausto; Marina Scagliola; Carmine Crecchio; Cristos Xiloyannis; Bartolomeo Dichio. 2018. "Evaluation of the possible persistence of potential human pathogenic bacteria in olive orchards irrigated with treated urban wastewater." Science of The Total Environment 658, no. : 763-767.

Articles
Published: 02 November 2018 in Plant Ecology & Diversity
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Background: Beneficial bacteria-plant interactions play an important role in agriculture, positively affecting plant status and improving product quality. Bacterial endophytes do not cause apparent damage and contribute to host plant protection and survival. Aim: This study characterised the bacterial communities present in soil, leaf surface and xylem sap of olive trees, and investigated their response under a sustainable (Smng) or a conventional (Cmng) management system in an olive grove located in southern Italy. The aims are: a) to understand if soil bacteria enter xylem and reach leaves and b) to verify if the bacterial communities in the two management systems deeply differ due to the different agronomic practices applied in Smng and in Cmng. Methods: Therefore, a metagenomic approach was used to detect microorganisms, in order to estimate bacterial diversity and abundance, and to identify the bacterial taxa in the three analysed compartments in plants subjected to Smng and Cmng systems. Results: The abundance of bacterial communities in soil was higher compared to that in leaves and xylem sap. Bacterial communities came from the soil and reached aerial plant parts through xylem sap. No differences in bacterial richness and diversity indices between the two managements systems, but the application of different agronomic practices influenced the composition of soil bacterial communities. Conclusions: The potential benefits of the specific bacterial taxa detected under the Smng system could improve plant growth protection and provide a higher crop quality in olive plants and similar fruit species.

ACS Style

Catia Fausto; Alba N. Mininni; Adriano Sofo; Carmine Crecchio; Marina Scagliola; Bartolomeo Dichio; Cristos Xiloyannis. Olive orchard microbiome: characterisation of bacterial communities in soil-plant compartments and their comparison between sustainable and conventional soil management systems. Plant Ecology & Diversity 2018, 11, 597 -610.

AMA Style

Catia Fausto, Alba N. Mininni, Adriano Sofo, Carmine Crecchio, Marina Scagliola, Bartolomeo Dichio, Cristos Xiloyannis. Olive orchard microbiome: characterisation of bacterial communities in soil-plant compartments and their comparison between sustainable and conventional soil management systems. Plant Ecology & Diversity. 2018; 11 (5-6):597-610.

Chicago/Turabian Style

Catia Fausto; Alba N. Mininni; Adriano Sofo; Carmine Crecchio; Marina Scagliola; Bartolomeo Dichio; Cristos Xiloyannis. 2018. "Olive orchard microbiome: characterisation of bacterial communities in soil-plant compartments and their comparison between sustainable and conventional soil management systems." Plant Ecology & Diversity 11, no. 5-6: 597-610.

Journal article
Published: 01 October 2018 in Acta Horticulturae
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A.N. Mininni; B. Dichio; S. Pascazio; C. Fausto; Carmine Crecchio; Adriano Sofo; C. Xiloyannis. Restoration of soil fertility and management of mineral nutrition in a peach orchard under a sustainable farming system in semi-arid conditions. Acta Horticulturae 2018, 257 -262.

AMA Style

A.N. Mininni, B. Dichio, S. Pascazio, C. Fausto, Carmine Crecchio, Adriano Sofo, C. Xiloyannis. Restoration of soil fertility and management of mineral nutrition in a peach orchard under a sustainable farming system in semi-arid conditions. Acta Horticulturae. 2018; (1217):257-262.

Chicago/Turabian Style

A.N. Mininni; B. Dichio; S. Pascazio; C. Fausto; Carmine Crecchio; Adriano Sofo; C. Xiloyannis. 2018. "Restoration of soil fertility and management of mineral nutrition in a peach orchard under a sustainable farming system in semi-arid conditions." Acta Horticulturae , no. 1217: 257-262.