Evaluation of yield-potential, yield-stability and adaptability of maize variety Yundan 27 by GGE-biplot

doi:10.14088/j.cnki.issn0439-8114.2026.09.002

Abstract

Abstract: To evaluate the promotional value of the new maize（Zea mays L.） cultivar Yundan 27, which was examined and approved by the Hubei Crop Variety Approval Committee in 2024, yield data from the 2022-2023 mountain-group maize regional trials in Hubei Province were analyzed via GGE-biplot software. The yield-potential, yield-stability and adaptability of cultivars in the test group including Yundan 27 were assessed, and the adaptive performance of Yundan 27 was compared with that of the control cultivar Huayu 11 in target regions. The results showed that the grain yields of Yundan 27 reached 11 118.90 kg/hm² and 11 360.25 kg/hm² in the two-year regional trials, which were 9.90% and 12.25% higher than those of the control Huayu 11, ranking first and second among all tested cultivars, respectively. GGE-biplot analysis revealed that Yundan 27 ranked first and second for yield-potential, and second and first for yield-stability across the two-year trials, indicating it was an elite cultivar with both high and stable yield. In addition, Yundan 27 exhibited obviously superior adaptability compared with Huayu 11, and it was suitable for planting in most mountainous areas of Hubei Province. Comprehensive analysis demonstrated that Yundan 27 possessed high-yield, stable-yield and wide-adaptation characteristics, and presented great popularization potential.

Key words: maize (Zea mays L.), Yundan 27, GGE-biplot, yield-potential, yield-satbility, adaptability

CLC Number:

S513

YU Chang-ping, HE Ya-hui, ZHOU Gang, PENG Jia-qing, CHEN Guang-yong, TANG Yu-cheng, YANG Hu, CHEN Qiang, YAN Xiang-ning, LI Yu-lu. Evaluation of yield-potential, yield-stability and adaptability of maize variety Yundan 27 by GGE-biplot[J]. HUBEI AGRICULTURAL SCIENCES, 2026, 65(9): 6-11.

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