摘要
1987—1988年,研究了27个大麦品种的单株穗数、每穗粒数、千粒重和株高相互关系,及其对单株产量的影响。结果表明:与单株产量相关的农艺性状按遗传相关系数的大小依次为千粒重>株高>每株穗数>每穗粒数,但它们对单株产量直接贡献大小次序为千粒重>每株穗数>每穗粒数>株高,其中株高的效应为负值。
The effects of the number of head per plant, number of kernel per head, thousand-kernel-weight and plant-height on the yield in barley were investigated in 1987-1988. The genotypic correlation coefficient between the yield per plant and the other traits were, in squence, thousand-kernel-weight, plant-heigt, the number of head per plant and the number of kernel per head.The path coefficient analysis showed that the direct effects of these characters on the yield per plant were, in sequence, thousand-kernel-weight, the number of head per plant, the number of kernel per hend, and plant-height.
出处
《华中农业大学学报》
CAS
CSCD
北大核心
1989年第4期318-321,共4页
Journal of Huazhong Agricultural University
关键词
大麦
农艺性状
相关系数
通径分析
barley
agronomic traits
coefficient of correlation
path analysis
