Evaluation of environment and adaptability of varieties in the middle reaches of the Yangtze river for national winter rape regional experiment based on GGE double standard map

doi:10.14088/j.cnki.issn0439-8114.2020.06.004

Abstract

Abstract: The high yield, stable yield and adaptability of the national winter rape variety regional test in the middle reaches of the Yangtze River from 2017 to 2018, and the test representative, discrimination and differentiation ability of each pilot were analyzed by using the GGE double plot method. The results that the main effects of genotype （G）, environment（E） and genotype by environment interaction （GE） were significant. Among them, E accounted for 48.25% of the treatment total variation in the sum of squares on average, whereas G and GE accounted for 15.15% and 36.60%, respectively. Liyouza178, Chuangzayou No6, Zhongyou 769, Huayouza 706, Zhongyou 619, Shengguang 168, Yuyou 39 and Jingyou 517 had excellent high yield, stability and adaptability. Hengyang city, Changde city, Yueyang city of Hunan province, Jingzhou city of Hubei province and other pilot sites have high comprehensive evaluation values, and have strong pilot representative, discrimination and differentiation ability.

Key words: nationalwinter rape regional trial, GGE biplot, high yield, yield stability, adaptability, representativeness, differentiation ability

CLC Number:

S565.4

YU Ze-en, LUO Li-xia, ZHANG Fang, HONG Mei-yan, ZHANG Xiang-xiang, GUO Rui-xing. Evaluation of environment and adaptability of varieties in the middle reaches of the Yangtze river for national winter rape regional experiment based on GGE double standard map[J]. HUBEI AGRICULTURAL SCIENCES, 2020, 59(6): 20-27.

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