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试验设在黑龙江省农科院试验农场玉米连作10年以上的病圃内,并连年用丝黑穗病菌土盖种和对植株进行人工接种大、小斑病菌。材料和方法以自育稳定自交系和国内外引入的优良稳定系2000余份,作为筛选抗源和高抗玉米大斑病及丝黑穗病的鉴定材料;用自选低代系和引入的非稳定
Test set in Heilongjiang Academy of Agricultural Sciences experimental farm corn continuous cropping more than 10 years in the nursery, and year after year with black smut soil cover cover and artificial inoculation of plants, small spot disease bacteria. MATERIALS AND METHODS The self-stable inbred lines and more than 2000 fine and stable lines introduced at home and abroad were used as identification materials to screen for the resistant and resistant maize leaf spot and head smut. Not stable