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2009•Guangdong nongye kexueOpen access

Effects of Salicylic Acid on Seed Germination and Seedling Growth of Cotton under Salt Stress

LI Ling-li

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Abstract

In order to investigate the effects of salicylic acid(SA) on the seed germination and seedling growth of cotton under NaCl stress,the insect-resistant cotton seeds were used as experimental materials.The results showed that high concentration(0.9%) of NaCl significantly suppressed the germination of seeds.Under 0.9% NaCl stress,0.1～1.0 mmol/L SA could obviously increase the quantity,speed and quality of seed germination.The optimum concentration of SA was 0.5 mmol/L.This experiment indicated that SA could reduce the inhibitory effects of salt stress on the seed germination and seedling growth of cotton.

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What this paper is about

In order to investigate the effects of salicylic acid(SA) on the seed germination and seedling growth of cotton under NaCl stress,the insect-resistant cotton seeds were used as experimental materials.The results showed that high concentration(0.9%) of NaCl significantly suppressed the germination of seeds.Under 0.9% NaCl stress,0.1～1.0 mmol/L SA could obviously increase the quantity,speed and quality of seed germination.The optimum concentration of SA was 0.5 mmol/L.This experiment indicated that SA could reduce the inhibitory effects of salt stress on the seed germination and seedling growth of cotton.

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Available abstract

In order to investigate the effects of salicylic acid(SA) on the seed germination and seedling growth of cotton under NaCl stress,the insect-resistant cotton seeds were used as experimental materials.The results showed that high concentration(0.9%) of NaCl significantly suppressed the germination of seeds.Under 0.9% NaCl stress,0.1～1.0 mmol/L SA could obviously increase the quantity,speed and quality of seed germination.The optimum concentration of SA was 0.5 mmol/L.This experiment indicated that SA could reduce the inhibitory effects of salt stress on the seed germination and seedling growth of cotton.

Key concepts: Seedling, Germination, Salicylic acid, Salt (chemistry), Horticulture, Agronomy, Chemistry, Biology

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