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An increasing interest has been reported regarding the reintroduction of flax in the Mediterranean region. The aim of this present study was to evaluate the effects of nitrogen (N) fertilization on the performance of flax cv. Everest, under Mediterranean climate conditions. A two-year study was carried out in 2018–2019, in Western Greece. The experiment was set-up in a randomized complete block design with four replications and six treatments of different N fertilization rates (0, 20, 30, 40, 50, and 60 kg N ha−1). Measurements included plant biomass, the leaf area index (LAI), the yield, and the Growth Degree Days (GDDs) required for full seed maturity. The N uptake of flax was also evaluated utilizing the Nitrogen Harvesting (NHI) and Nitrogen Utilization Efficiency (NUtE) indices. Although the highest fertilization rate (60N) increased the yield by 35.4% (2018) and 23.1% (2019), a GDDs and N indices assessment revealed that it noted the lowest efficiency and may lead to significant yield losses, as it significantly prolonged the crop cycle. On the contrary, even though fertilization rates of 20 and 30 kg N ha−1 increased the yield only by 7% and 15% (on average), they were more efficient, and prolonged the crop cycle less (compared to 60N).
Ioanna Kakabouki; Antonios Mavroeidis; Alexandros Tataridas; Ioannis Roussis; Nikolaos Katsenios; Aspasia Efthimiadou; Evangelia L. Tigka; Stella Karydogianni; Charikleia Zisi; Antigolena Folina; Dimitrios Bilalis. Reintroducing Flax (Linum usitatissimum L.) to the Mediterranean Basin: The Importance of Nitrogen Fertilization. Plants 2021, 10, 1758 .
AMA StyleIoanna Kakabouki, Antonios Mavroeidis, Alexandros Tataridas, Ioannis Roussis, Nikolaos Katsenios, Aspasia Efthimiadou, Evangelia L. Tigka, Stella Karydogianni, Charikleia Zisi, Antigolena Folina, Dimitrios Bilalis. Reintroducing Flax (Linum usitatissimum L.) to the Mediterranean Basin: The Importance of Nitrogen Fertilization. Plants. 2021; 10 (9):1758.
Chicago/Turabian StyleIoanna Kakabouki; Antonios Mavroeidis; Alexandros Tataridas; Ioannis Roussis; Nikolaos Katsenios; Aspasia Efthimiadou; Evangelia L. Tigka; Stella Karydogianni; Charikleia Zisi; Antigolena Folina; Dimitrios Bilalis. 2021. "Reintroducing Flax (Linum usitatissimum L.) to the Mediterranean Basin: The Importance of Nitrogen Fertilization." Plants 10, no. 9: 1758.
Rhizophagus irregularis is an arbuscular mycorrhiza fungus that can enhance plant nutrition and reduce transplant shock on seedlings. The present study aims to evaluate the effects of this fungus on the quality of cannabis (Cannabis sativa L.) seedlings. A greenhouse float system experiment was conducted in a completely randomized design with three treatments. The treatments included the application of 40, 80 and 120 fungus spores per L of nutrient solution (AMF1, AMF2 and AMF3, respectively). The evaluation was performed based on the agronomic characteristics of the seedlings (root and stem length and weight, stem diameter), N and P content, survival rate, and the Dickson’s quality index (DQI). Results indicated that root length and stem dry weight were significantly increased (by 34.14% and 21.4%, respectively) in the AMF3 treatment. The biomass of the seedlings’ roots, the fresh weight and the N content were not affected by the AMF. On the contrary, survival rate, P content and DQI were significantly increased in AMF3 (by 5%, 24.3% and 12.4% respectively). Overall, our findings suggest that the application of high doses of Rhizophagus irregularis (AMF3) on float system-produced cannabis seedlings results in a considerable increment of their quality.
Ioanna Kakabouki; Antonios Mavroeidis; Alexandros Tataridas; Angeliki Kousta; Aspasia Efthimiadou; Stella Karydogianni; Nikolaos Katsenios; Ioannis Roussis; Panayiota Papastylianou. Effect of Rhizophagus irregularis on Growth and Quality of Cannabis sativa Seedlings. Plants 2021, 10, 1333 .
AMA StyleIoanna Kakabouki, Antonios Mavroeidis, Alexandros Tataridas, Angeliki Kousta, Aspasia Efthimiadou, Stella Karydogianni, Nikolaos Katsenios, Ioannis Roussis, Panayiota Papastylianou. Effect of Rhizophagus irregularis on Growth and Quality of Cannabis sativa Seedlings. Plants. 2021; 10 (7):1333.
Chicago/Turabian StyleIoanna Kakabouki; Antonios Mavroeidis; Alexandros Tataridas; Angeliki Kousta; Aspasia Efthimiadou; Stella Karydogianni; Nikolaos Katsenios; Ioannis Roussis; Panayiota Papastylianou. 2021. "Effect of Rhizophagus irregularis on Growth and Quality of Cannabis sativa Seedlings." Plants 10, no. 7: 1333.
Trichoderma harzianum, as a natural endophytic biocontrol agent, can ameliorate plant development, nutrient uptake, and resistance to biotic and abiotic stresses. This study aimed to investigate the effect of Trichoderma harzianum inoculation on agronomical and quality characteristics of two monoecious hemp (Cannabis sativa L.) varieties, Fedora 17 and Felina. A greenhouse pot experiment was conducted in a completely randomized design of two treatments of Trichoderma harzianum with a low and high dose of the fungus (T1 and T2). The significance of differences between treatments was estimated by using a Fisher’s test with a significance level p = 0.05. The root density of both varieties was significantly affected by treatments, and higher values were recorded in Fedora 17 (2.32 mm cm−3). The Arbuscular Mycorrhizal Fungi (AMF) colonization of the root system and the soil emission of CO2 were higher after the inoculation of Trichoderma harzianum. The highest values of plant height and dry weight were noticed for T2, especially in variety Felina. Trichoderma harzianum positively influenced characteristics of inflorescences such as their number, fresh weight moisture, and compactness in both varieties, while the dry weight, length, and dry yield of inflorescences were not improved. Finally, the fertigation of Trichoderma harzianum in hemp plants was beneficial by increasing the cannabidiol (CBD) content, especially in T2 treatment (4 × 1012 CFU kg−1).
Ioanna Kakabouki; Alexandros Tataridas; Antonios Mavroeidis; Angeliki Kousta; Stella Karydogianni; Charikleia Zisi; Varvara Kouneli; Artemis Konstantinou; Antigolena Folina; Aristidis Konstantas; Panayiota Papastylianou. Effect of Colonization of Trichoderma harzianum on Growth Development and CBD Content of Hemp (Cannabis sativa L.). Microorganisms 2021, 9, 518 .
AMA StyleIoanna Kakabouki, Alexandros Tataridas, Antonios Mavroeidis, Angeliki Kousta, Stella Karydogianni, Charikleia Zisi, Varvara Kouneli, Artemis Konstantinou, Antigolena Folina, Aristidis Konstantas, Panayiota Papastylianou. Effect of Colonization of Trichoderma harzianum on Growth Development and CBD Content of Hemp (Cannabis sativa L.). Microorganisms. 2021; 9 (3):518.
Chicago/Turabian StyleIoanna Kakabouki; Alexandros Tataridas; Antonios Mavroeidis; Angeliki Kousta; Stella Karydogianni; Charikleia Zisi; Varvara Kouneli; Artemis Konstantinou; Antigolena Folina; Aristidis Konstantas; Panayiota Papastylianou. 2021. "Effect of Colonization of Trichoderma harzianum on Growth Development and CBD Content of Hemp (Cannabis sativa L.)." Microorganisms 9, no. 3: 518.
While processing tomato cultivation (Solanum lycopersicum L.) is considered one of the most important industrial crops in Greece, a waste known as tomato pomace is growing significantly high. Notably, the tomato pomace presents enormous opportunities for the creations of organic fertilizers. The aim of this study was to investigate the use of tomato pomace as a fertilizer in the same crop. A field experiment was established at the Agricultural University of Athens during 2018 and 2019 in a randomized complete design with five treatments (control, inorganic NPK (NPK), Tomato pomace and Biocycle Humus Soil (Tp and BHS), Tomato pomace and Farmyard manure (Tp and FYM), and Tomato pomace and Compost (Tp and CM). Physical soil properties such as soil porosity and penetration resistance were improved by the application of organic blends. Additionally, soil nitrogen content ranged from 0.10% (control and NPK) to 0.13% (Tp and FYM). A significant increase of yield was noticed under organic fertilization where the highest yield of 8.00 tn ha−1 was recorded in Tp and BHS (2018). Lycopene content was significantly affected by fertilization and its highest values were 87.25 (Tp and BHS; 2018), and 88.82 mg kg−1 fresh (Tp and FYM; 2019). Regarding fruit firmness, the three organic blends did not have statistically significant difference. In addition, the Total Soluble Solids (TSS) was significantly affected by the fertilization and the maximum value was 4.80 ◦Brix (Tp and CM; 2018). In brief, tomato pomace blended with organic fertilizers was yielded considerable since it improved soil quality and increased yield.
Ioanna Kakabouki; Antigolena Folina; Aspasia Efthimiadou; Stella Karydogianni; Charikleia Zisi; Varvara Kouneli; Nikolaos C. Kapsalis; Nikolaos Katsenios; Ilias Travlos. Evaluation of Processing Tomato Pomace after Composting on Soil Properties, Yield, and Quality of Processing Tomato in Greece. Agronomy 2021, 11, 88 .
AMA StyleIoanna Kakabouki, Antigolena Folina, Aspasia Efthimiadou, Stella Karydogianni, Charikleia Zisi, Varvara Kouneli, Nikolaos C. Kapsalis, Nikolaos Katsenios, Ilias Travlos. Evaluation of Processing Tomato Pomace after Composting on Soil Properties, Yield, and Quality of Processing Tomato in Greece. Agronomy. 2021; 11 (1):88.
Chicago/Turabian StyleIoanna Kakabouki; Antigolena Folina; Aspasia Efthimiadou; Stella Karydogianni; Charikleia Zisi; Varvara Kouneli; Nikolaos C. Kapsalis; Nikolaos Katsenios; Ilias Travlos. 2021. "Evaluation of Processing Tomato Pomace after Composting on Soil Properties, Yield, and Quality of Processing Tomato in Greece." Agronomy 11, no. 1: 88.
Four advanced tritordeum lines were studied and compared to two commercial varieties of tritordeum and wheat cultivars in yield and quality features, in Greece. For this purpose, a two-year experiment was established in the Greek territory. The field experiment was set up in Randomized Complete Block Design (RCBD) with blocks, with different lines and varieties. Head emergence was calculated based on Growing Degree Days (GDDs), which was significantly affected by the year. The significance of differences between treatments was estimated by using Fisher’s least significant difference (LSD) test with significance level p = 0.05. The weight of 1000 seeds of the two commercial varieties differed from the equivalent weight of 1000 seeds of tritordeum lines, approximately 1 g. Yield was significantly affected by lines/varieties and year. Compared to tritordeum yield, wheat yield marked the highest values. This difference was almost 2 kg ha−1. Gluten content was significantly affected by lines/varieties. The highest gluten content was firstly noticed at wheat GENESIS (34.2%) variety and secondly at tritordeum Aucan (33.2%) variety. Protein was higher in tritordeum lines HT-1704 (15.5%), HT-1707 (15.1%) and Aucan variety (15.2%) during the first experimental year. Tritordeum seems to have significant adaptability to dry conditions in Greece and significant yields compared to the existing commercial varieties and bread wheat.
Ioanna Kakabouki; Dimitrios Beslemes; Evangelia Tigka; Antigolena Folina; Stella Karydogianni; Charikleia Zisi; Panagiota Papastylianou. Performance of Six Genotypes of Tritordeum Compare to Bread Wheat under East Mediterranean Condition. Sustainability 2020, 12, 9700 .
AMA StyleIoanna Kakabouki, Dimitrios Beslemes, Evangelia Tigka, Antigolena Folina, Stella Karydogianni, Charikleia Zisi, Panagiota Papastylianou. Performance of Six Genotypes of Tritordeum Compare to Bread Wheat under East Mediterranean Condition. Sustainability. 2020; 12 (22):9700.
Chicago/Turabian StyleIoanna Kakabouki; Dimitrios Beslemes; Evangelia Tigka; Antigolena Folina; Stella Karydogianni; Charikleia Zisi; Panagiota Papastylianou. 2020. "Performance of Six Genotypes of Tritordeum Compare to Bread Wheat under East Mediterranean Condition." Sustainability 12, no. 22: 9700.