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双生座壳孢(Aschersonia duplex Berk.)系日本卷毛蚧的病原真菌。此菌在人工培养基和自然基物上生长好,并能产生大量分生孢子。对 C 源中的蔗糖、葡萄糖、甘露醇、山梨糖;N 源中的蛋白胨,天冬素、L-酪氨酸、KNO_3利用好。生长适温22—26℃。病原流行季节相对湿度在80％以上。田间接种,对寄主致病性强,有应用潜力。
Aschersonia duplex Berk is a pathogenic fungus of Japanese curl. The bacteria grow well on artificial media and natural substrates and produce large amounts of conidia. Sucrose, glucose, mannitol and sorbose in C source; peptone, aspartic acid, L-tyrosine and KNO 3 in N source were used well. Growth suitable temperature 22-26 ℃. Pathogen season relative humidity of 80% or more. Field vaccination, pathogenic host, with potential applications.