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ISSN 2063-5346
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Alleviation of salt injuries on green bean’s morpho-physiological properties by application of calcium with other amendments

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Sayed F. El-Sayed1, Omaima S. Darwish, Ahmed M. Ibrahim, Rasha R. Eid
» doi: 10.31838/ecb/2023.12.si7.284

Abstract

Salinity stress is considered a great challenge affecting agriculture sector worldwide. Green bean is very sensitive to salinity stress and faces losses in production and quality of pods with any increase in salt concentration in irrigation water. This challenge requires implementing some amendments to alleviate salt injuries on green bean. This experiment was carried out in the experimental farm of Vegetable Crops Department, Faculty of Agriculture, Cairo University, Giza, Egypt, in the winter season of 2020/2021 and 2021/2022. The effect of anti-stressors under different salinity levels (0, 1.5, and 2.4 dS m-1of sea salt) was studied on plant growth parameters, yield, proline, peroxides, abscisic acid, and nutrient content of green bean. The anti-stressors were varied in their content of Calcium, Potassium, humic, and fulvic acid, while the control (untreated with any anti-stressor). Our findings revealed that all tested plant growth parameters of treated plants with anti-stressors were significantly higher than the control without significant differences among each other. All anti-stressors obtained total yield and marketable yield higher than control at each salinity level. The treated plants with anti-stressors recorded significantly higher proline content than the control. At both highest levels of salinity (1.5 and 2.4 dS/m), all anti-stressor recorded higher peroxidase and abscisic acid than the control without significance among them. It is very obvious that the anti-stressor with calcium with other amendments limited the negative impacts of salinity on green beans, while there was no superiority to one of these anti-stressors on the others.

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