行距配置对大穗型品种兰考矮早八旗叶氮代谢酶活性、籽粒产量及蛋白质含量的影响  

Effects of Row Spacing on Activity of Nitrogen Metabolism Enzymes in Flag Leaves, Grain Yield and Protein Content of Heavy-ear Wheat Lankao Aizao8

作　　者：刘胜波[1] 冯伟[1] 杨文平[1] 谢迎新[1] 王永华[1] 郭天财[1] 

机构地区：[1]河南农业大学国家小麦工程技术研究中心,郑州450002

出　　处：《中国农学通报》2008年第1期168-171,共4页Chinese Agricultural Science Bulletin

基　　金："十一五"国家科技支撑计划重大项目"国家粮食丰产科技工程河南课题"(2006BAD02A07);河南省重大科技攻关项目"小麦丰产高效集成技术研究与示范"(0522010100)

摘　　要：在大田高产栽培条件下,研究了行距配置对大穗型冬小麦品种兰考矮早八花后旗叶硝酸还原酶活性、谷氨酰胺合成酶活性、籽粒产量、蛋白质含量及单位面积蛋白质产量的影响。结果表明,15cm行距处理下,旗叶在灌浆中后期具有较高的氮代谢酶活性。籽粒产量随行距减小而增加,而籽粒蛋白质含量却减小,籽粒蛋白质产量与籽粒产量表现相同趋势。因此,适当缩小种植行距,降低了籽粒蛋白质含量,但有利于提高籽粒产量和单位面积蛋白质产量。Effects of row spacing on the activities of nitrate reductase （NR） and glutamine synthetase （GS） in flag leave, grain yield, protein content and protein yield were studied under the high-yield condition. Experiment was conducted in 2006-2007 with the heavy-ear wheat cultivar of lankao aizao8, three row spacing of 15, 20 and 25cm. The results indicated that the spacing form of 15cm had higher activity of nitrogen metabolism enzymes at the middle and late filling stages. The grain yield and protein yield increased but the protein content decreased with decreasing of row space. To the heavy-ear wheat cultivar lankao aizao8, the row space shorten properly was helpful to improve the grain yield and protein yield, but reduce the grain protein content.

关 键 词：冬小麦 行距配置 氮代谢酶 籽粒产量 蛋白质含量 蛋白质产量 

分 类 号：S512.1[农业科学—作物学] S311