不同掐尖时期对大豆生理指标的影响  

Effect of Topping on Physiological Index of Soybean at Different Time

作　　者：王囡囡[1] 

机构地区：[1]黑龙江省农业科学院佳木斯分院,黑龙江佳木斯154007

出　　处：《黑龙江农业科学》2010年第8期41-43,共3页Heilongjiang Agricultural Sciences

基　　金：国家科技部成果转化基金资助项目(2007GB2B200100)

摘　　要：对不同掐尖时期大豆根瘤等生理指标的变化进行了研究。结果表明:不同掐尖时期对大豆的根瘤数、叶绿素含量有一定的影响,差异达到了显著或极显著水平,而对初花期(R1)和盛花期(R2)的植株鲜重、干重、根系鲜重等生理指标影响不明显。The effect of different time of topping on physiological indexs of soybean was studied. The results showed that there was a certain extent of nodule number and chlorophyll contentthe of soybean at different time of topping,and the differences between them have reached a significant or highly significant level. While plant fresh weight,dry weight, root volume and other physiological index had no significant effect at early flowering stage（R1 ）and flowering stage（R2 ）.

关 键 词：掐尖时期 大豆 生理指标 

分 类 号：S565.1[农业科学—作物学]