It is found that the phosphorus environment influenced not only genetic variation but also genetic correlationamong shoot traits.
磷环境不仅影响抽梢性状的遗传差异，而且影响抽梢性状间的遗传相关关系。
2
The correlationamong main yield and fiber traits of upland cotton with high fiber quality was investigated by using correlation and path analysis methods.
Relationships among agronomical traits of husk in maize were studied by correlation coeffrcient analysis Their genetic problems were discussed by analysis of combining ability.