隐藏域元素占位
Cowpea Seed Germination & Stress Resistance
Application of Plant Growth Regulators for Cowpea Seed Germination and Stress Resistance
Brassinolide
Soaking cowpea seeds in a 0.01–0.05 mg/L brassinosteroid solution for 10 hours increases the seeds' oxygen uptake and promotes germination.
Chitosan
Once the cowpea seedlings have fully expanded their first pair of true leaves, drenching the soil with a 200–250 mg/L chitosan solution (relative molecular mass: 20,000) promotes seedling growth, resulting in significant increases in plant height and stem diameter, and facilitates seedling morphogenesis. Following chitosan induction, the activities of superoxide dismutase and peroxidase in the seedlings are significantly higher than those in the control group, while malondialdehyde content and electrolyte leakage rates are significantly reduced, thereby enhancing the seedlings' salt tolerance.
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