]*>","")" /> Effects of Salt Stress on Germination Percentage,Seedling Stand Percent Enzyme Activity in Cydonia oblonga Mill Seed
Xinjiang Agricultural Sciences

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Effects of Salt Stress on Germination Percentage,Seedling Stand Percent Enzyme Activity in Cydonia oblonga Mill Seed

QIN Wei;HAN Jing;Keremu·Yili   

  • Received:2009-01-25 Revised:2009-01-25 Online:2009-01-25 Published:2009-01-25

盐胁迫对榅桲种子萌发率、成苗率和酶活性的影响

秦伟;韩晶;克热木·伊力   

  1. 新疆农业大学园艺学院,乌鲁木齐,830052





摘要： 以新疆苹果型榅桲成熟种子为试材,探讨了Na2SO4和NaCl两种盐胁迫对木日皿木孛种子萌芽率、成苗率、SOD、POD、CAT酶活性的影响,结果显示:随着两种盐浓度的增大,发芽率和成苗率均呈下降趋势;NaCl胁迫时,SOD、CAT活性均随着盐浓度的增大呈先上升后下降趋势,POD活性呈上升趋势;Na2SO4 胁迫时,随着盐浓度的增大,POD、 CAT活性呈先上升后下降趋势,SOD活性呈降低趋势.不同种类盐胁迫下,木日皿木孛种子的耐盐机制不同.