基于GYT双标图对西北内陆棉区国审棉花品种的分类评价

许乃银, 赵素琴, 张芳, 付小琼, 杨晓妮, 乔银桃, 孙世贤

Retrospective evaluation of cotton varieties nationally registered for the Northwest Inland cotton growing regions based on GYT biplot analysis

XU Nai-Yin, ZHAO Su-Qin, ZHANG Fang, FU Xiao-Qiong, YANG Xiao-Ni, QIAO Yin-Tao, SUN Shi-Xian

表2 我国西北内陆棉区37个国审棉花品种产量与性状组合相关性分析

Table 2 Pearson correlations among yield-trait combinations of 37 nationally registered cotton cultivars in the Northwest inland cotton region

产量×性状组合 Yield×trait combination Y×PFR Y×LEN Y×STR Y×MIC (~1) Y×FWI (-1) Y×VWI (-1) SI 产量×霜前花率Yield× pre-frost yielding rate (Y×PFR) 1 产量×纤维长度Yield× fiber length (Y×LEN) 0.586** 1 产量×比强度Yield× fiber strength(Y×STR) 0.518** 0.624** 1 产量×马克隆值Yield× micronaire [Y×MIC(~1)] 0.516** 0.471** 0.170 ns 1 产量×枯萎病指数 Yield× fusarirum wilt index [Y×FWI(-1)] 0.136 ns 0.031 ns 0.070 ns -0.043 ns 1 产量×黄萎病指数 Yield× verticillium wilt index[Y×VWI(-1)] 0.458** 0.359* 0.410** 0.191 ns 0.316* 1 品种理想指数Cultivar superiority index (SI) 0.813** 0.776** 0.707** 0.583** 0.382* 0.692** 1