茶叶科学2019，Vol.39Issue(3)：335-341,7.
外源一氧化氮对低温胁迫下茶树幼苗生理特性的影响
Effects of Exogenous Nitric Oxide on Physiological Characteristics of Tea Plants Under Cold Stress
摘要
Abstract
In order to investigate the alleviation effect of exogenous nitric oxide (NO) donor sodium nitroprusside (SNP) on tea rooted cuttings under cold stress, artificial climate chamber was used to simulate cold stress on tea rooted cuttings. The effects of SNP on membrane lipid peroxidation, osmotic adjustment substance and antioxidant activity of biennial ‘Bixiangzao’ rooted cuttings under cold stress were studied by foliar spray of SNP. The results show that suitable SNP concentration treatment could reduce the relative conductivity of tea leaves, inhibit the elevated malondialdehyde content, promote the accumulation of proline, soluble protein and sugar, and increase the superoxide dismutase, catalase activities, thereby alleviate the damage of cold stress on tea leaves. In addition, the optimal concentration of SNP was 200 μmol·L-1.关键词
茶树/低温胁迫/外源NO/硝普钠/生理特性Key words
tea plant/low temperature stress/exogenous nitric oxide/sodium nitroprusside/physiological characteristics分类
农业科技引用本文复制引用
王英姿,李银花,陈金华,刘仲华,黄建安..外源一氧化氮对低温胁迫下茶树幼苗生理特性的影响[J].茶叶科学,2019,39(3):335-341,7.基金项目
国家现代农业产业技术体系建设专项(茶叶 CARS-19)、广东省自然科学基金(No. 2014A030313567)、广州市珠江科技新星专项(No. 201506010018)、广东省自然科学基金项目(No.2017A030310097)、英德科技计划项目(No. JHXM2016065) （茶叶 CARS-19）
