Growth Responses, Physiological Alterations and Alleviation of Salinity Stress in Sunflower (Helianthus annuus L.) Amended with Gypsum and Composted Cow Dung

نویسندگان

چکیده

Salt accumulation in soils poses severe challenges for crop production arid and semi-arid regions. Scarcity of rainfall a high evaporation rate these regions are considered major reasons salt accumulation. It drastically reduces the leaching excessive salts below root zone crops. The toxic effects on plants can be greatly reduced with use biological inorganic amendments. present study was conducted to investigate positive influence gypsum (GP), composted cow dung (CCD) combined (GP+CCD) growth, seed yield, physiological chemical attributes sunflowers (Helianthus annuus) salty soil conditions. Saline-sodic prepared using that include NaCl, Na2SO4, MgSO4, CaCl2. contained three levels electrical conductivity (EC), i.e., 1.8, 6, 12 dS m−1, had sodium adsorption ratio (SAR) 15. We noted significant deleterious stress multiple produce, physiology, factors sunflowers. However, treatment GP+CCD improved all conditions over control treatment. Treatment also significantly increased N, P K contents absence stress, normal Conversely, caused an extreme decline antioxidant enzyme activity (APX, GPX, CAT SOD) Na+/K+ seeds up 90, 75, 71% at EC level respectively. This suggests application better salt-affected soils, augmented biochemistry nutritional value sunflower seeds.

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ژورنال

عنوان ژورنال: Sustainability

سال: 2021

ISSN: ['2071-1050']

DOI: https://doi.org/10.3390/su13126792