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Path analysis of major Agronomy characters to Yield per plant in Spring B. napus
Author(s): 
Pages: 16-19
Year: Issue:  3
Journal: HEILONGJIANG AGRICULTURAL SCIENCE

Keyword:  甘蓝型春油菜相关通径分析单株产量农艺性状;
Abstract: 试验用30个杂种组合为材料,对单株产量进行相关和通径分析.结果表明:在相关分析中,全株有效果数,每果粒数,第一次有效分枝数与单株产量呈显著或极显著正相关.通径分析表明,每果粒数,结果密度,主花序有效长度,全株有效果数与单株产量的通径系数呈显著或极显著的正效应,说明这4种性状是影响单株产量的主要因素;主花序有效果数通过结果密度和主花序有效长度对单株产量有间接作用,角果长度通过每果粒数的影响,对单株产量有一定的间接作用,株高对单株产量有较小的直接作用,千粒重对单株产量的直接作用很小.
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