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di jie suan you cai xi bao zhi xiong xing bu yu xing za zhong zhu yao nong yi xing zhuang de tong jing fen xi
Author(s): 
Pages: 30-33
Year: Issue:  1
Journal: Journal of Henan University of Science & Technology

Keyword:  油菜低芥酸细胞质雄性不育通径分析;
Abstract: 以甘兰型低芥(?)细胞质雄性不育系(波里马不育胞质)组配的杂种油菜为材料,对杂交种的7种性状进行逆(?)分析,结果表明,角果粒数(0.892)、全株有效角果数(O.628)、千粒重(0.472)、和株高(0.451)对单株产量的直接通径系数达极显著水平,幼苦干重对单株产量的(?)接通径系数(-0.274)达显著水平。5个原因性状对单株产量的决定系数R~2=88.1%。我们认为甘兰型低芥酸细胞质雄(?)不育性杂种油菜在适当株高的基础上,应加强对角果;粒数、全株有郊角果数、千粒重的选择,而对幼苗干重的选择可适当放宽,据此,可望选到单株产量较高的杂种油菜。
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