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本文应用灰色系统理论关联度分析法综合评估了12个玉米品种,按灰色系统理论关联度分析法原则,关联度越大的品种与理想品种越接近。在参试品种中,绥玉7、垦玉6、海玉9、红玉9、佳试4等品种的关联度较大,说明这些品种的综合适应性很强,应在本地区扩大种植面积,替代或淘汰关联度较小、综合性状较差的品种,即龙单16、四早12、牡丹10、龙单8、四早11等品种。
In this paper, 12 maize cultivars were comprehensively evaluated by using the gray system theory correlation analysis method. According to the principle of gray system theory, the higher the correlation degree, the closer the varieties were to the ideal varieties. Among the tested cultivars, Sui Yu 7, Kenyu 6, Haiyu 9, Hongyu 9, Jiaxao 4 and other cultivars were more closely related, which indicated that the comprehensive adaptability of these cultivars was very strong and should be expanded in the region , Instead of or out of less associated, comprehensive traits of poor varieties, namely Longdan 16, four early 12, Peony 10, Longdan 8, four early 11 varieties.