Analysis of High Yield Stability and Adaptability of'Yugu28'Based on GGE Biplot
In order to accurately evaluate the high and stable yield and adaptability of the new millet variety'Yugu28',the yield data of the national millet variety regional trial(conventional group in summer millet area of North China)in 2015-2016 were used for analysis by using the GGE biplot double plot.The results showed that'Yugu28'increased by 9.43％and 8.82％compared with the control in 2015 and 2016,respectively.The analysis of GGE double plot showed that the vertical of'Yugu28'on the average environmental axis was closer to the positive direction,indicating that its high yield performance was excellent;the axis perpendicular to the average environ-mental axis is close to the average environmental axis,indicating that its stable production performance is good;the position in the sector of the adaptive function map is closer to the origin of the coordinate axis,indicating that the variety has a wide adaptability,is a good variety with promotion value in millet production,and is suitable for summer planting in Henan,Shandong,Hebei and other similar ecological areas.
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