首页|期刊导航|中国农业科学（英文版）|Yield Stability of Maize Hybrids Evaluated in Maize Regional Trials in Southwestern China Using Nonparametric Methods
中国农业科学（英文版）2010，Vol.9Issue(10)：1413-1422,10.DOI:10.1016/S1671-2927(09)60232-7
Yield Stability of Maize Hybrids Evaluated in Maize Regional Trials in Southwestern China Using Nonparametric Methods
Yield Stability of Maize Hybrids Evaluated in Maize Regional Trials in Southwestern China Using Nonparametric Methods
摘要
Abstract
Analysis of multi-environment trials (METs) of crops for the evaluation and recommendation of varieties is an important issue in plant breeding research. Evaluating on the both stability of performance and high yield is essential in MET analyses. The objective of the present investigation was to compare 11 nonparametric stability statistics and apply nonparametric tests for genotype-by-environment interaction (GEI) to 14 maize (Zea mays L.) genotypes grown at 25 locations in southwestern China during 2005. Results of nonparametric tests of GEI and a combined ANOVA across locations showed that both crossover and noncrossover GEI, and genotypes varied highly significantly for yield. The results of principal component analysis, correlation analysis of nonparametric statistics, and yield indicated the nonparametric statistics grouped as four distinct classes that corresponded to different agronomic and biological concepts of stability.Furthermore, high values of TOP and low values of rank-sum were associated with high mean yield, but the other nonparametric statistics were not positively correlated with mean yield. Therefore, only rank-sum and TOP methods would be useful for simultaneously selection for high yield and stability. These two statistics recommended JY686 and HX 168 as desirable and ND 108, CM 12, CN36, and NK6661 as undesirable genotypes.关键词
Zea mays L./genotype × environment/multi-environment trials/nonparametric methodsKey words
Zea mays L./genotype × environment/multi-environment trials/nonparametric methods分类
农业科技引用本文复制引用
LIU Yong-jian,DUAN Chuan,TIAN Meng-liang,HU Er-liang,HUANG Yu-bi..Yield Stability of Maize Hybrids Evaluated in Maize Regional Trials in Southwestern China Using Nonparametric Methods[J].中国农业科学（英文版）,2010,9(10):1413-1422,10.基金项目
We gratefully acknowledge the Program for Changjiang Scholars and Innovative Research Team in University,China (IRT0453) and the Youth Foundation of Sichuan Province Office of Education (2006B005) of China,for supporting this research. （IRT0453）
