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采用灰色关联分析方法综合评价第8轮国家区域试验的10个甘蔗新品种(系)。结果表明,加权关联度值大于新台糖22(CK1)的包括云蔗05-51、柳城03-1137、福农39和云蔗06-407共4个品种,亦是参试品种中含糖量优于或最接近CK1的品种;除了福农36含糖量约低于新台糖16(CK2)外其余新品种(系)含糖量均大于CK2;赣南02-70、云蔗05-51、柳城03-1137、福农39、赣南02-70和福农02-5707等6个品种的加权关联度值均大于新台糖16(CK2),亦是参试品种中蔗糖分优于或最接近CK2(高糖CK)的品种;其中赣南02-70是参试品种中蔗糖分表现最佳的品种,可用作高糖亲本。该评价结果与参试品种的田间综合表现相吻合。建议云蔗05-51、柳城03-1137、云蔗06-407、福农39等4个品种(系)可以在云南瑞丽及其气候相似蔗区推广应用。
A total of 10 new sugarcane varieties (lines) in the 8th national regional trials were evaluated by gray relational analysis. The results showed that there were 4 varieties including Yunxian 05-51, Liucheng 03-1137, FuNong 39 and YunGuan 06-407, which were more than the CK22, Which were superior to or closest to CK1. The sugar content of the remaining new varieties (lines) was higher than that of CK2 except that the sugar content of FuNong36 was lower than CK2. Gannan 02-70, YunXi 05-51 , Liucheng 03-1137, Fuinong 39, Gannan 02-70 and Fuonong 02-5707 were all higher than that of Xintai sugar 16 (CK2) Which is the closest to CK2 (high sugar CK). Among them, Gannan 02-70 is the best performing variety of sucrose in the tested varieties and can be used as a high sugar parent. The result of the evaluation is consistent with the comprehensive field performance of the tested varieties. It is suggested that four varieties (lines) of Yunxian 05-51, Liucheng 03-1137, Yunzhan 06-407 and Fu’nong 39 can be popularized and applied in Ruili and its climate-like sugarcane fields in Yunnan Province.