4Moreno-Gonzulez J,Crossa J. Cornelius P L. Genotype environ-ment interaction in multi-environment trials using shrink agefactors for AMMI models [J]. Euphytica. 2004, 137 ( 1) : 119-127.
5Yan W K. GGE biplot-A Windows application for graphical a-nalysis of multi-environment trial data and other types of two-way data [J]. Agron J,2001,93 : 1111-1118.
6Yan W K. Singular-value partitioning in biplot analysis of multi-environment trial data [J]. Agron J, 2002,94 : 990-996.
7Yan W K, Tinker N A. Biplot analysis of multi-environmenttrial data: Principles and applications [J]. Can J Plant Sci,2006,86:623-645.
8Yan W K,Kangb M S, Ma B L, et al. GGE biplot vs. AMMIanalysis of genotype-by-environment data [J]. Crop Sic,2007,47:641-653.