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The cereal cyst nematode, Heterodera avenae, is one of the most economically important pathogens impacting the worldwide......
本文采用灰色系统理论中关联度分析法:对1995~1996年新疆自治区大麦品种区域试验中的6个供试品系进行了多性状的综合评价。结果表明:......