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外源NO供体SNP对Cd胁迫下辣椒种子萌发的影响 被引量:6

Effect of Exogenous Nitric Oxide Donor SNP on Germination of Pepper Seed Under Cadmium Stress
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摘要 研究了外源NO供体SNP对Cd胁迫下辣椒种子萌发的影响。结果表明:用100μmol/L SNP处理辣椒种子能在一定程度上提高Cd胁迫下辣椒幼苗SOD、CAT、POD的活性,降低其MDA含量,从而缓解了Cd胁迫对辣椒种子萌发率及其胚根、胚轴生长的抑制。 The effects of sodium nitroprusside (SNP, an exogenous nitric oxide donor) on the seed germination of pepper under cadmium stress were studied. The results showed that the activity of SOD, CAT and POD were increased, MDA contents were decreased in pepper seedlings under cadmium stress by 100μmol/L SNP to treat pepper seeds. Accordingly, the inhibition of cadmium stress to seeds germination, growth of radicels and hypocotyls could be alleviated.
出处 《种子》 CSCD 北大核心 2009年第2期21-25,共5页 Seed
基金 黔南民族师范学院项目(编号:2008Y023)资助
关键词 辣椒 SNP CD胁迫 种子萌发 Capsicum frutescens L. sodium nitroprusside cadmium stress seed germination
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