江苏农业学报2025，Vol.41Issue(10)：1899-1906,8.DOI:10.3969/j.issn.1000-4440.2025.10.003
氧化型谷胱甘肽引发对甜菜种子萌发及幼苗生理特性的影响
Effects of oxidized glutathione priming on seed germination and seedling physiological characteristics of sugar beet
摘要
Abstract
To clarify the effects of oxidized glutathione(GSSG)priming on seed germination ability and seedling physiological characteristics of sugar beet,the seeds of sugar beet 801 were used as the experimental material in this study.Six different mass concentrations(10 mg/L,20 mg/L,50 mg/L,100 mg/L,200 mg/L,500 mg/L)of GSSG solution and two durations(16 h and 24 h)of priming treatment were set up to analyze their effects on seed germination ability and seedling physiological indexes of sugar beet.The results showed that compared with the non-soaked control(CK),the germination index and vigor index of sugar beet seeds were significantly increased,and the con-ductivity of sugar beet seeds was decreased by priming with different concentrations of GSSG solution for 16 h and 24 h,but there was no significant effect on germination rate.Under different priming treatments,the antioxidant enzyme activity,malondialdehyde(MDA)content and H2O2 con-tent of sugar beet seedlings changed greatly.Compared with CK,treatments with 20 mg/L,50 mg/L,100 mg/L GSSG so-lution for priming 24 h could significantly improve the antioxidant enzyme activity of sugar beet seedlings,reduce H2O2 content and MDA content,while treatments with 10 mg/L and 20 mg/L GSSG solution for priming 16 h,200 mg/L and 500 mg/L GSSG solution for priming 24 h could reduce the antioxidant enzyme activity,increase H2O2 content and MDA content.The soluble sugar content and soluble protein content of sugar beet seedlings under most priming treatments showed an increasing trend.In conclusion,most GSSG priming treatments can improve seed vigor by repairing membrane damage,regulating oxidative stress and promoting the accumulation of osmotic substances.Among them,the treatment with 20 mg/L GSSG solution for 24 h is identified as the most effective.关键词
甜菜/氧化型谷胱甘肽/种子引发/萌发/幼苗生理Key words
sugar beet/oxidized glutathione/seed priming/germination/seedling physiology分类
农业科技引用本文复制引用
张玉洁,王荣华,王茂芊..氧化型谷胱甘肽引发对甜菜种子萌发及幼苗生理特性的影响[J].江苏农业学报,2025,41(10):1899-1906,8.基金项目
师市计划项目(2024ZDNY11) （2024ZDNY11）
财政部和农业农村部国家现代农业产业技术体系(糖料)子项目(CARS-17011004、CARS-170113-1) （糖料）
财政部和农业农村部国家现代农业产业技术体系(糖料)建设项目(CARS-170102) （糖料）
国家自然科学基金面上项目(32272148) （32272148）
黑龙江省博士后面上项目(LBH-Z22246) （LBH-Z22246）
