生菜种传真菌的初步研究

Journal of Tianjin Agricultural College(2017)

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Abstract
采用洗涤检验法和PDA培养基法对来自北京地区的16个生菜品种进行了种传真菌检测和优势菌群的初步鉴定.结果表明:干燥种子平均带菌率高达95.2%,携带的优势菌群依次分别为链格孢属(Alternaria spp.)真菌82.8%、曲霉属(Aspergillus spp.)真菌13.7%、青霉属(Penicillium spp.)真菌4.4%和镰刀属(Fusariumspp.)真菌1.8%;无菌水洗涤后种子平均带菌率为89.1%,所携带的优势菌群依次分别为链格孢属真菌73.2%、曲霉属真菌17.1%、青霉属真菌7.2%和镰刀属真菌2.5%;1%NaClO处理后的种子带菌率平均高达72.2%,优势菌群依次分别为链格孢属真菌75.6%、青霉属真菌10.8%和镰刀属真菌5.2%.
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