山东农业科学2012，Vol.44Issue(1)：39-42,50,5.
灌水处理对强筋小麦济麦20籽粒淀粉含量和相关酶活性及产量的影响
Effects of Irrigation on Starch Content, Related Enzymes and Yield of Jimai 20 Grains
摘要
Abstract
Field experiment was conducted to study the effects of irrigation time and amount on grain starch content, starch synthase activity, grain yield and water use efficiency ( WUE) of wheat variety Jimai 20 during 2005 ~2006. Four water treatments were set up: no irrigation (WO) , irrigation at overwintering and jointing stages (Wl) , irrigation at overwintering, jointing and anthesis stages (W2) , irrigation at overwinte- . Ring, jointing, anthesis and filling stages ( W3 ). Each was irrigated with 60 mm water. The results showed that the amylose content significantly increased with the increase of irrigation amount at the grain - maturing stage, while the amylopectin content was significantly reduced with a reduction in the ratio of amylopectin to amylose. The ratio of amylopectin to amylose of WO treatment was the highest. The W2 and W3 treatments significantly increased the GBSS activity and reduced the SSS activity at both middle and late grain - filling stages. The highest output values of grain, starch, amylopectin, andamylose were achieved in Wl treatment and more irrigation had no significant influence to them.关键词
小麦/灌水处理/淀粉含量/淀粉酶活性/籽粒产量Key words
Wheat/ Irrigation treatment/ Starch content/ Starch synthase activity/ Grain yield分类
农业科技引用本文复制引用
孟维伟,张微,于振文..灌水处理对强筋小麦济麦20籽粒淀粉含量和相关酶活性及产量的影响[J].山东农业科学,2012,44(1):39-42,50,5.基金项目
国家自然科学基金项目(30871478)和农业部现代小麦产业技术体系项目(nycytx-03)资助. （30871478）
