安徽农业科学2016，Vol.44Issue(26)：13-15,19,4.
苜蓿与无芒雀麦单混播后越冬期根系生理指标的变化及其与抗寒性的关系
Study on the Changes of Physical Indices of Root in Wintering Period with Single Sowing of Medicago sativa and Its Mixed-sowing Treatment with Bromus inermis and Their Relations with Cold Resistance
申晓慧1
作者信息
- 1. 黑龙江省农业科学院佳木斯分院，黑龙江佳木斯154007
- 折叠
摘要
Abstract
Objective] To study the changes of MDA content and anti-oxidative enzyme activity of root in wintering period with single sowing of M.sativa and its mixed-sowing treatment with B.inermis and their relations with cold resistance.[Method] Taking four kinds of M.sativa (We-ga7F, Xunlu, Aohan and WL319HQ) and one kind of B.inermis as experimental materials, the changes of MDA, SOD, POD and CAT contents in roots of M.sativa during whole wintering period were measured.[Result] The content of MDA change showed up-down-up change trend with temperature by single sowing of M.sativa and its mixed-sowing treatment with B.inermis.The CAT activity of root increased with air tempera-ture decline, and decreased with air temperature rise in next spring .The SOD and POD activities firstly increased then decreased at lower tem-perature, and finally increased again in the following spring.Enzymes activities by mixed sowing were all higher than single sowing.Membership function analysis showed the order of cold-resistance of M.sativa varieties were Wega7F+B.inermis>Wega7F>WL319HQ +B.inermis>WL319HQ>Xunlu+B.inermis>Xunlu>Aohan+B.inermis>Aohan.[Conclusion] It had important significance for cold resistance breeding and cultivation of M.sativa in cold region of North China.关键词
紫花苜蓿/无芒雀麦/混播/抗寒性Key words
M.sativa/B.inermis/Mixed-sowing/Cold resistance分类
农业科技引用本文复制引用
申晓慧..苜蓿与无芒雀麦单混播后越冬期根系生理指标的变化及其与抗寒性的关系[J].安徽农业科学,2016,44(26):13-15,19,4.
