Effect of Interaction between Genotype and Environment on Rapeseed Yield in Huang-Huai Region
To evaluate the effect of genotype and environment interaction on rapeseed yield in Huang-Huai region.In this study,the stability index of AMMI model and Best linear unbiased prediction(BLUP)were used to replace the mean yield for GGE biplot were used to analyze the measurement of the yield of 24 rape cultivars from 11 ex-perimental locations in Huang-Huai region in 2021-2022.Fertility and stability of the cultivars and the discrimi-tiveness and representativenss of the experimental locations were evaluated.The results showed that genotype,en-vironment and interaction of genotype and environment all had significant effects on rapeseed yield.'RH1953'is suitable for specific areas such as Suzhou,Yuncheng,Fuping,Yang Ling and Dali.'Shanyou85'is an ideal cultivar with fertility and stability in Huang-huai region.Baoji,Shaanxi is an ideal experimental location in Huang-Huai re-gion,which has strong discrimitiveness and representativenss.The combination of AMMI model and GGE bioplot improved the accuracy of cultivars and experimental location selection,and provided the method and theoretical reference for rapeseed cultivar extension and regional experimental setting.
AMMI modelGGE biplotFertilityStabilityDiscrimitiveness and representativenss
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