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黑糯玉米产量性状的相关遗传力及其通径分析
Correlation heritability and path analysis for yield characters in black waxy corn
【摘要】 对25个黑糯玉米不完全双列杂交组合的7个农艺性状进行相关遗传力及通径分析的结果表明.在杂交育种过程中.可以在早代通过对穗长、穗粗的间接选择来代替对单株产量的直接选择,并筛选出4个能显著增加F1穗粗或穗长的黑糯玉米自交系(0A66、0A72、9912、9916),为配制新组合提供骨干自交系。
【Abstract】 Correlation heritability and path coefficient of 7 agronomic characters in black waxy corn from 25 combinations of incomplete dialed crossing design were analyzed. The results showed that, in the proceeding of hybrid breeding, the directly selection for single plant yield could be substituted by ear selection in the early generation .and 4 self-fertilized lines of black waxy corn that can increase the length and thickness of ear(0A66、 0A72、 9912、 9916) in Ft were screened, they can be used for the main self-fertilized lines in mating new combination.
【基金】 福建省科技厅项目(2000Z093)
- 【文献出处】 福建农业学报 ,Fujian Journal of Agricultural Sciences , 编辑部邮箱 ,2004年01期
- 【分类号】S513
- 【被引频次】6
- 【下载频次】98