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Effect of Salt Stress on Seed Germination of Sunflower

Rui Wang

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Abstract

Three variety sunflowers was stressed by three concentration of neutral salt to study the effect of salt stress on seed germination.The result showed that: With the concentration of NaCl increasing,emergence time delayed and emergence rate reduced,seedling height and number of leaves were affected obviously by NaCl stress.NaCl concentration of 0.2 mol/ L would limit the growth of seedling seriously.Activities of POD,CAT of Kangdi 5 increased more significantly than the others,and the activity of SOD increased the most significantly.

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What this paper is about

Three variety sunflowers was stressed by three concentration of neutral salt to study the effect of salt stress on seed germination.The result showed that: With the concentration of NaCl increasing,emergence time delayed and emergence rate reduced,seedling height and number of leaves were affected obviously by NaCl stress.NaCl concentration of 0.2 mol/ L would limit the growth of seedling seriously.Activities of POD,CAT of Kangdi 5 increased more significantly than the others,and the activity of SOD increased the most significantly.

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Available abstract

Three variety sunflowers was stressed by three concentration of neutral salt to study the effect of salt stress on seed germination.The result showed that: With the concentration of NaCl increasing,emergence time delayed and emergence rate reduced,seedling height and number of leaves were affected obviously by NaCl stress.NaCl concentration of 0.2 mol/ L would limit the growth of seedling seriously.Activities of POD,CAT of Kangdi 5 increased more significantly than the others,and the activity of SOD increased the most significantly.

Key concepts: Seedling, Germination, Point of delivery, Sunflower, Salt (chemistry), Horticulture, Stress (linguistics), Chemistry

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