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对当地先后种植和推广的品种进行产量性状的调查研究和遗传分析,有助于了解品种产量结构的演变和发展。从历来品种产量因素之间的遗传相关,可以明确产量育种上的具体选择目标。对当前生产上应用的品种的深入研究,
Investigation and genetic analysis of yield traits cultivated and popularized locally will help to understand the evolution and development of yield and yield structure. The genetic correlation between the yield factors of successive cultivars can make clear the specific selection target of yield breeding. In-depth study of the current varieties of production applications,