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Maria Piñero
Department of Crop Production and Agri-Technology, IMIDA, 30150 Murcia, Spain

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Journal article
Published: 10 May 2021 in Sustainability
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The use of mulching in agriculture suppresses the weeds around crop plants, enhances the nutrients status of soil, controls the soil structure and temperature, and reduces soil water evaporation. Excessive use of low-density polyethylene mulches is contributing to the accumulation of high amounts of plastic wastes, an environmental problem for agricultural ecosystems. Fragments of plastic from such wastes can be found in soils, in water resources, and in organisms, including humans. The objective of this work was to study the economic viability of the use of different hydromulches in an artichoke crop. Three blends were prepared by mixing paper pulp (recycled from used paper) and cardboard (from paper mills) with different additives: wheat straw (WS), rice hulls (RH), and substrate used for mushroom cultivation (MS). These were compared with low-density polyethylene (Pe), a treatment without mulching on bare soil where hand weeding was performed (HW), and a treatment without mulching on bare soil where herbicide was applied (H). The results indicate that the use of hydromulch in an artichoke crop represents a good alternative for reducing plastic waste in agriculture. The net profits of the hydromulch treatments (MS, WS, RH) were higher than for HW and H, and slightly lower than for Pe. The most profitable treatment was Pe (€0.69 m−3), followed by RH (€0.59 m−3), WS (€0.58 m−3), MS (€0.47 m−3), HW (€0.36 m−3), and H (€0.32 m−3). A sensitivity analysis showed a probability of negative results of 0.04 in Pe, 0.13 in SM, 0.08 in WS, and 0.07 in RH, so the probability that the grower will make a profit is greater than 0.9 with the use of mulch (except mushroom substrate) or polyethylene.

ACS Style

Josefa López-Marín; Miriam Romero; Amparo Gálvez; Francisco del Amor; Maria Piñero; José Brotons-Martínez. The Use of Hydromulching as an Alternative to Plastic Films in an Artichoke (Cynara cardunculus cv. Symphony) Crop: A Study of the Economic Viability. Sustainability 2021, 13, 5313 .

AMA Style

Josefa López-Marín, Miriam Romero, Amparo Gálvez, Francisco del Amor, Maria Piñero, José Brotons-Martínez. The Use of Hydromulching as an Alternative to Plastic Films in an Artichoke (Cynara cardunculus cv. Symphony) Crop: A Study of the Economic Viability. Sustainability. 2021; 13 (9):5313.

Chicago/Turabian Style

Josefa López-Marín; Miriam Romero; Amparo Gálvez; Francisco del Amor; Maria Piñero; José Brotons-Martínez. 2021. "The Use of Hydromulching as an Alternative to Plastic Films in an Artichoke (Cynara cardunculus cv. Symphony) Crop: A Study of the Economic Viability." Sustainability 13, no. 9: 5313.

Journal article
Published: 29 April 2021 in Antioxidants
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This work has been focused on the study of how we can affect the short heat stress on the bioactive compounds content. Some recent investigations have observed that management of nitrogen fertilization can alleviate short-term heat effects on plants. Additionally, the short-term heat stress can be also ameliorated by using putrescine, a polyamine, due to its crucial role in the adaptation of plants to heat stress Therefore, different NO3 −/NH4 + ratios and a foliar putrescine treatment have been used in order to increase tolerance to thermal stress in order to take advantage of the more frequent and intense heat waves and make this crop more sustainable. So, other objective of this work is to make the cauliflower waste more attractive for nutraceutical and pharmaceutical preparations. Thus, the effect of a thermal stress combined with a 50:50 NO3 −/NH4 + ratio in the nutrient solution, and the foliar application of 2.5 mM putrescine increased in the content of various sugars (inositol, glucose, and fructose), total phenolic compounds and polyamines, as well as in the antioxidant activity. The greatest accumulation of these compounds was observed in young leaves. Our results show from a physiological and agronomic point of view, that the foliar application of putrescine and the 50:50 NO3 −/NH4 + treatment managed to alleviate the negative effects of the abiotic stress suffered at high temperature, yielding plants with higher antioxidant compounds content.

ACS Style

Jacinta Collado-González; Maria Piñero; Ginés Otálora; Josefa López-Marín; Francisco Amor. The Effect of Foliar Putrescine Application, Ammonium Exposure, and Heat Stress on Antioxidant Compounds in Cauliflower Waste. Antioxidants 2021, 10, 707 .

AMA Style

Jacinta Collado-González, Maria Piñero, Ginés Otálora, Josefa López-Marín, Francisco Amor. The Effect of Foliar Putrescine Application, Ammonium Exposure, and Heat Stress on Antioxidant Compounds in Cauliflower Waste. Antioxidants. 2021; 10 (5):707.

Chicago/Turabian Style

Jacinta Collado-González; Maria Piñero; Ginés Otálora; Josefa López-Marín; Francisco Amor. 2021. "The Effect of Foliar Putrescine Application, Ammonium Exposure, and Heat Stress on Antioxidant Compounds in Cauliflower Waste." Antioxidants 10, no. 5: 707.

Journal article
Published: 14 January 2021 in Plants
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This study examines the effect of the exogenous application of polyamine putrescine together with the application of different ratios of nitrate/ammonium (NO3−/NH4+), on the physiology of cauliflower subjected to heat stress. The 50:50 NO3−/NH4+ ratio was the best ratio against heat stress. As a result of the joint application of these compounds, a higher photosynthetic rate, a higher accumulation of both photosynthesis-related compounds and pigments, total proteins, and a change in the status of nutrients were obtained. Particularly, the decrease in content of calcium, chloride and sulphate in plants under heat stress is ameliorated by the ammonium effect. Additionally, it is important to highlight that cauliflower waste contains a higher content of mineral nutrients than floret cauliflower. These effects were more marked in young leaves. Furthermore, a synergistic effect for coping with heat stress between the polyamine and the nutritional treatment was observed. For this, both the application of putrescine and the feeding of plants with a 50:50 NO3−/NH4+ ratio before heat stress is proposed for the first time as an agricultural practice for increasing the thermotolerance of cauliflower cv Moonshine. On the other hand, due to the lower lipid peroxidation rate obtained in cauliflower leaves, these plants could be used for health purposes as ointments or other nutraceutical products, making the cultivation of this kind of cruciferous more sustainable.

ACS Style

Jacinta Collado-González; María Piñero; Ginés Otálora; Josefa López-Marín; Francisco del Amor. Effects of Different Nitrogen Forms and Exogenous Application of Putrescine on Heat Stress of Cauliflower: Photosynthetic Gas Exchange, Mineral Concentration and Lipid Peroxidation. Plants 2021, 10, 152 .

AMA Style

Jacinta Collado-González, María Piñero, Ginés Otálora, Josefa López-Marín, Francisco del Amor. Effects of Different Nitrogen Forms and Exogenous Application of Putrescine on Heat Stress of Cauliflower: Photosynthetic Gas Exchange, Mineral Concentration and Lipid Peroxidation. Plants. 2021; 10 (1):152.

Chicago/Turabian Style

Jacinta Collado-González; María Piñero; Ginés Otálora; Josefa López-Marín; Francisco del Amor. 2021. "Effects of Different Nitrogen Forms and Exogenous Application of Putrescine on Heat Stress of Cauliflower: Photosynthetic Gas Exchange, Mineral Concentration and Lipid Peroxidation." Plants 10, no. 1: 152.

Journal article
Published: 24 December 2020 in Foods
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In the last decades, cauliflower consumption has increased due to its observed beneficial effects on human health, especially on chronic diseases. Furthermore, the use of arginine has been shown to improve the heat stress tolerance of plants by increasing the polyamine content. Thus, we aimed to investigate the effects of the exogenous application of arginine on the physical and chemical quality parameters of cauliflower florets under heat stress. For this, we applied two concentrations of arginine (1 and 4 mM) to the leaves of cauliflower (Brassica oleracea var. botrytis L.) plants grown in three different temperatures (ambient, elevated, and extreme). Our data show that potassium and phosphate, as well as iron were the most abundant macro- and micronutrients, respectively. The combination of high temperature and exogenous application of arginine increased the antioxidant activity, total content of phenolic compounds, polyamines, and proteins. The data presented herein indicate that the combination of an adequate heat stress and the appropriate foliar arginine treatment may be a useful strategy that could be used to increase the number of valuable plant compounds in our diet.

ACS Style

Jacinta Collado-González; María Carmen Piñero; Ginés Otálora; Josefa López-Marín; Francisco M. Del Amor. Merging Heat Stress Tolerance and Health-Promoting Properties: The Effects of Exogenous Arginine in Cauliflower (Brassica oleracea var. botrytis L.). Foods 2020, 10, 30 .

AMA Style

Jacinta Collado-González, María Carmen Piñero, Ginés Otálora, Josefa López-Marín, Francisco M. Del Amor. Merging Heat Stress Tolerance and Health-Promoting Properties: The Effects of Exogenous Arginine in Cauliflower (Brassica oleracea var. botrytis L.). Foods. 2020; 10 (1):30.

Chicago/Turabian Style

Jacinta Collado-González; María Carmen Piñero; Ginés Otálora; Josefa López-Marín; Francisco M. Del Amor. 2020. "Merging Heat Stress Tolerance and Health-Promoting Properties: The Effects of Exogenous Arginine in Cauliflower (Brassica oleracea var. botrytis L.)." Foods 10, no. 1: 30.

Journal article
Published: 17 December 2020 in Plants
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Growers in the cultivated areas where the climate change threatens the agricultural productivity and livelihoods are aware that the current constraints for good quality water are being worsened by heatwaves. We studied the combination of salinity (60 mM NaCl) and heat shock stress (43 °C) in pepper plants (Capsicum annuum L. var. Tamarin) since this can affect physiological and biochemical processes distinctly when compared to separate effects. Moreover, the exogenous application of 0.5 mM salicylic acid (SA) was studied to determine its impacts and the SA-mediated processes that confer tolerance of the combined or stand-alone stresses. Plant growth, leaf Cl− and NO3− concentrations, carbohydrates, and polyamines were analyzed. Our results show that both salinity stress (SS) and heat stress (HS) reduced plant fresh weight, and SA only increased it for HS, with no effect for the combined stress (CS). While SA increased the concentration of Cl− for SS or CS, it had no effect on NO3−. The carbohydrates concentrations were, in general, increased by HS, and were decreased by CS, and for glucose and fructose, by SA. Additionally, when CS was imposed, SA significantly increased the spermine and spermidine concentrations. Thus, SA did not always alleviate the CS and the plant response to CS cannot be directly attributed to the full or partial sum of the individual responses to each stress.

ACS Style

Ginés Otálora; María Carmen Piñero; Jacinta Collado-González; Josefa López-Marín; Francisco M. Del Amor. Exogenous Salicylic Acid Modulates the Response to Combined Salinity-Temperature Stress in Pepper Plants (Capsicum annuum L. var. Tamarin). Plants 2020, 9, 1790 .

AMA Style

Ginés Otálora, María Carmen Piñero, Jacinta Collado-González, Josefa López-Marín, Francisco M. Del Amor. Exogenous Salicylic Acid Modulates the Response to Combined Salinity-Temperature Stress in Pepper Plants (Capsicum annuum L. var. Tamarin). Plants. 2020; 9 (12):1790.

Chicago/Turabian Style

Ginés Otálora; María Carmen Piñero; Jacinta Collado-González; Josefa López-Marín; Francisco M. Del Amor. 2020. "Exogenous Salicylic Acid Modulates the Response to Combined Salinity-Temperature Stress in Pepper Plants (Capsicum annuum L. var. Tamarin)." Plants 9, no. 12: 1790.

Research article
Published: 24 August 2020 in Journal of the Science of Food and Agriculture
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BACKGROUND Climate change has caused an increase in the frequency and intensity of heatwaves, worldwide, which subject plants to thermal stress for short periods; this can affect the quality of melon fruits, both negatively and positively. Since the application of putrescine has been shown to help increase tolerance of abiotic stresses, the objective of this work is to determine the effects of the foliar application of putrescine (1.5 mM and 5 mM) before a short heat stress (HS) on the quality of melon fruits. RESULTS The results indicate that HS had a positive effect on the quality of melon fruits, since it increased the total sugars and polyamines contents and the antioxidant capacity, and reduced the presence of substances undesirable in foods such as nitrate. However, the fruit quality was further increased by the combination of HS and putrescine (5 mM). In this case, the melon fruits showed increases in their antioxidant capacity and contents of polyamines, amino acids and minerals beneficial to health. The nitrate concentration was even lower than in the control fruits. CONCLUSION This novel study highlights the possibility of improving the nutritional quality of melon pulp by applying foliar putrescine in combination with a short period of high temperature. This article is protected by copyright. All rights reserved.

ACS Style

María Carmen Piñero; Ginés Otálora; Jacinta Collado; Josefa López‐Marín; Francisco M. Del Amor. Foliar application of putrescine before a short‐term heat stress improves the quality of melon fruits ( Cucumis melo L.). Journal of the Science of Food and Agriculture 2020, 101, 1428 -1435.

AMA Style

María Carmen Piñero, Ginés Otálora, Jacinta Collado, Josefa López‐Marín, Francisco M. Del Amor. Foliar application of putrescine before a short‐term heat stress improves the quality of melon fruits ( Cucumis melo L.). Journal of the Science of Food and Agriculture. 2020; 101 (4):1428-1435.

Chicago/Turabian Style

María Carmen Piñero; Ginés Otálora; Jacinta Collado; Josefa López‐Marín; Francisco M. Del Amor. 2020. "Foliar application of putrescine before a short‐term heat stress improves the quality of melon fruits ( Cucumis melo L.)." Journal of the Science of Food and Agriculture 101, no. 4: 1428-1435.

Research article
Published: 21 May 2020 in Journal of Agricultural and Food Chemistry
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We investigated the effect on melon fruits of "fish water" alone or in combination with a supplement of synthetic fertilizers in a nutrient solution or foliar application of Ca(NO3)2. These treatments were compared with a traditional soilless system with synthetic fertilizers and no reuse of the nutrient solution. The results show that the treatments with recirculation of fish water and with the foliar supplement yielded fruits of greater weight and size but with reduced lightness and lower concentrations of proteins, NO3-, K+, and total amino acids. The supply of synthetic nutrients to the roots or leaves caused a reduction in the sugar concentrations and the antioxidant activity of these fruits. The use of fish water (alone or with an amendment) increased spermine and putrescine with respect to the traditional soilless crop management. The results for these bioactive compounds in melons should be considered for maintenance of health with age.

ACS Style

María Carmen Piñero; Ginés Otálora; Jacinta Collado; Josefa López-Marín; Francisco M. Del Amor. Differential Effects of Aquaponic Production System on Melon (Cucumis melo L.) Fruit Quality. Journal of Agricultural and Food Chemistry 2020, 68, 6511 -6519.

AMA Style

María Carmen Piñero, Ginés Otálora, Jacinta Collado, Josefa López-Marín, Francisco M. Del Amor. Differential Effects of Aquaponic Production System on Melon (Cucumis melo L.) Fruit Quality. Journal of Agricultural and Food Chemistry. 2020; 68 (24):6511-6519.

Chicago/Turabian Style

María Carmen Piñero; Ginés Otálora; Jacinta Collado; Josefa López-Marín; Francisco M. Del Amor. 2020. "Differential Effects of Aquaponic Production System on Melon (Cucumis melo L.) Fruit Quality." Journal of Agricultural and Food Chemistry 68, no. 24: 6511-6519.

Journal article
Published: 29 June 2017 in Physiologia Plantarum
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The increase in the ambient concentration of CO2 and other greenhouse gases is producing climate events that can compromise crop survival. However, high CO2 concentrations are sometimes able to mitigate certain stresses such as salinity or drought. In this experiment, the effects of waterlogging and CO2 are studied in combination to elucidate the eventual response in sweet cherry trees. For this purpose, four sweet cherry cultivars (‘Burlat’, ‘Cashmere’, ‘Lapins and ‘New Star’) were grafted on a typically hypoxia-tolerant rootstock (Mariana 2624) and submitted to waterlogging for 7 days at either ambient CO2 concentration (400 µmol mol−1) or at elevated CO2 (800 µmol mol−1). Waterlogging affected plants drastically, by decreasing photosynthesis, stomatal conductance, transpiration, chlorophyll fluorescence and growth. It also brought about the accumulation of proline, chloride and sulfate. Nonetheless, raising the CO2 supply not only mitigated all these effects but also induced the accumulation of soluble sugars and starch in the leaf. Therefore, sweet cherry plants submitted to waterlogging were able to overcome this stress when grown in a CO2-enriched environment.

ACS Style

Margarita Pérez-Jiménez; María Hernández-Munuera; Maria Carmen Piñero Zapata; Gregorio López-Ortega; Francisco M. del Amor. Two minuses can make a plus: waterlogging and elevated CO2interactions in sweet cherry (Prunus avium) cultivars. Physiologia Plantarum 2017, 161, 257 -272.

AMA Style

Margarita Pérez-Jiménez, María Hernández-Munuera, Maria Carmen Piñero Zapata, Gregorio López-Ortega, Francisco M. del Amor. Two minuses can make a plus: waterlogging and elevated CO2interactions in sweet cherry (Prunus avium) cultivars. Physiologia Plantarum. 2017; 161 (2):257-272.

Chicago/Turabian Style

Margarita Pérez-Jiménez; María Hernández-Munuera; Maria Carmen Piñero Zapata; Gregorio López-Ortega; Francisco M. del Amor. 2017. "Two minuses can make a plus: waterlogging and elevated CO2interactions in sweet cherry (Prunus avium) cultivars." Physiologia Plantarum 161, no. 2: 257-272.