西宁地区大豆产量构成有关因素的初步研究  

A Preliminary Study on Yield and Its Constitute Factors of Soybean in Xining Region

作　　者：谭大凤[1,2] 丁秀琦[1,2] 谢琴芬 李兰[1,2] 文绍金 

机构地区：[1]青海省种子管理站 [2]青海大学农学系

出　　处：《青海大学学报（自然科学版）》1997年第4期6-8,共3页Journal of Qinghai University(Natural Science)

基　　金：青海省教委资助课题

摘　　要：本文对大豆在西宁地区后期的植株长势,产量及其构成因素进行了2年试验分析。结果表明,生育后期荚果干重呈持续上升趋势。叶片干鲜重,荚果鲜重,茎杆干重和根干重均在鼓粒未期达最大值,以后均逐渐下降。鼓粒期是大豆产量形成的关键时期。This paper on later stages the plant growing and yield and its constitute factors of soybean in xining region were experiment analysis, resulets inducated that the pods dry weight were continual increase in the plant growing later stages. Dry and fresh of the leaves, the pods fresh weight the stem and root dry weight were achieved the biggest in the pod last filling stage, after them all gradually the pod filling stage in Xining region.

关 键 词：西宁 大豆 产量形成 植株长势 构成因素 

分 类 号：S565.1[农业科学—作物学]