华北农学报2013，Vol.28Issue(1)：144-148,5.
冬小麦叶片对低温胁迫的生理响应
Physiological Responses of Winter Wheat's Leaves to Low Temperature Stress
摘要
Abstract
Different cool-resistance varieties were used to experimental material to test relative conductivity, malondialdehyde, soluble protein, proline, soluble sugar content and the activities of superoxide dismutase after 2 hours treatment with 13,7,4, -18, -21℃. As the temperature was reduced, MDA and soluble sugar content of wheat leaf increase gradually,the activities of SOD trend is N-shaped wave. After low temperature stress,the soluble protein content of wheat leaves no significant change. The results indicated that M808 and Dongyin0801 have the minimum relative electric conductivity in 21℃. MDA content of M808 and Dongyin0801 increased considerably from -18 ℃ to-21 ℃. M808's activities of SOD has the lowest rate of change in - 18 ℃ and -21℃.. Proline and soluble sugar content of Dongyin0801 has the largest rate of change in -21 ℃.关键词
冬小麦/低温胁迫/生理生化特性Key words
Winter wheat/Low temperature stress/Physiological and biochemical characterstics分类
农业科技引用本文复制引用
衣莹,张玉龙,郭志富,白丽萍,乔雪,侯立白..冬小麦叶片对低温胁迫的生理响应[J].华北农学报,2013,28(1):144-148,5.基金项目
国家自然科学强冬性新型抗冻基因TalRl3和TMRl4的克隆及功能研究(30900894) （30900894）
总理基金:冬麦北移试验示范开发项目(dmby96-03) （dmby96-03）
沈阳农业大学校内基金:强冬性小麦抗寒性鉴定(413010101-110901-01025010005) （413010101-110901-01025010005）
