Genotype-environment interaction and stability analysis for tuber yield of potato (Solanumtuberosum L.) genotypes
محل انتشار: مجله علمی علوم زراعی، دوره: 9، شماره: 4
سال انتشار: 1399
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 34
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شناسه ملی سند علمی:
JR_SJCS-9-4_001
تاریخ نمایه سازی: 7 اسفند 1402
چکیده مقاله:
Yield data of ۱۲ potato (Solanumtuberosum L.) genotypes tested across ۹ rain-fed environments during the ۲۰۱۶-۲۰۱۸ growing season using RCBD in ۳ replications were analyzed using the AMMI model. The AMMI analysis tested in nine environments (years) were showed that the yield was significantly affected (P<۰.۰۰۱) by genotypes and environment main effects as well as GxE interaction. The model revealed that differences between the environments accounted for about ۵۷.۷۳% of the treatment sum of squares. The genotypes and the GxE interaction also accounted significantly for ۱۶.۸۷ % and ۲۵.۴۱% respectively of the treatment SS. The first principal component axis (PCA ۱) of the interaction captured ۵۶.۴۴% of the interaction sum of squares. Similarly, the second principal component axis (PCA۲) explained a further ۱۳.۶۷% of the GEI sum of squares. The mean squares for the PCA ۱ and PCA ۲ were significant at P=۰.۰۱ and cumulatively contributed to ۷۰.۱۱% of the GxE interaction SS, leaving ۲۹.۸۹% of the variation in the GxE interaction in the residual. The AMMI and AMMI stability value (ASV) identified G۳ and G۱۲ as the stable and high yielding genotypes.Yield data of ۱۲ potato (Solanumtuberosum L.) genotypes tested across ۹ rain-fed environments during the ۲۰۱۶-۲۰۱۸ growing season using RCBD in ۳ replications were analyzed using the AMMI model. The AMMI analysis tested in nine environments (years) were showed that the yield was significantly affected (P<۰.۰۰۱) by genotypes and environment main effects as well as GxE interaction. The model revealed that differences between the environments accounted for about ۵۷.۷۳% of the treatment sum of squares. The genotypes and the GxE interaction also accounted significantly for ۱۶.۸۷ % and ۲۵.۴۱% respectively of the treatment SS. The first principal component axis (PCA ۱) of the interaction captured ۵۶.۴۴% of the interaction sum of squares. Similarly, the second principal component axis (PCA۲) explained a further ۱۳.۶۷% of the GEI sum of squares. The mean squares for the PCA ۱ and PCA ۲ were significant at P=۰.۰۱ and cumulatively contributed to ۷۰.۱۱% of the GxE interaction SS, leaving ۲۹.۸۹% of the variation in the GxE interaction in the residual. The AMMI and AMMI stability value (ASV) identified G۳ and G۱۲ as the stable and high yielding genotypes.
نویسندگان
Mohammed Beriso
Sinana Agricultural Research Center, Oromia Agricultural Research Institute, Ethiopia.
Getachaw Asefa
Sinana Agricultural Research Center, Oromia Agricultural Research Institute, Ethiopia.
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