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Cultivar Evaluation and Essential Test Locations Identification for Sugarcane Breeding in China
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Using a genotype main effect plus genotype-environment interaction (GGE) biplot software, the yield performance data of seven sugarcane cultivars in the 8th Chinese National Sugarcane Area Trials were analyzed to identify cultivars recommended for commercial release. Cultivar FN38 produced a high and stable sugar yield. GAN02-70 had the lowest cane yield with high stability. YZ06-407 was a high cane yield cultivar with poor stability in sugar yield. YZ05-51 and LC03-1137 were unstable, relatively high sugar yielding cultivars. FN39 yielded stable high sugar with low and unstable cane production. Significantly different sugar and cane yields were encountered across seasons due to strong cultivar-environment interactions. Three areas, including Guangxi Chongzuo, Guangxi Baise, Guangxi Hechi, showed better representativeness of cane and sugar yields than the other four areas. On the other hand, areas Guangxi Chongzuo, Yunnan Lincang, and Yunnan Baoshan showed strong discrimination ability, while areas Guangxi Hechi and Guangxi Liuzhou showed poor discrimination ability. It is concluded that the GGE-Biplot software is an intuitive and effective tool for evaluating yielding ability and stability of sugarcane cultivars in multi-area varietal trials.
USDA Scientist Submission
Scientific World Journal 2014 May 20 v.2014
Journal Articles, USDA Authors, Peer-Reviewed
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Agricultural Research Service
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