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- W2284329883 abstract "炭疽叶枯病(Glomerella leaf spot)是我国苹果上新发现的一种病害。为了解围小丛壳Glomerella cingulata子囊孢子的交配方式、生物学特性和致病性,从安徽砀山、山东牟平等地采集病害样品,经分离培养和纯化获得单孢菌株。在适宜条件下单孢菌株可产生子囊和子囊孢子,经过毛细管破子囊壁后单孢分离,获得12个子囊,每个子囊有8个子囊孢子。其中10个子囊中有4个"正"孢子(+)和4个"负"孢子(–),2个子囊中只有"负"孢子。子囊孢子单孢菌株培养72h,"正"菌株菌落白色,以营养生长为主;"负"菌株菌落灰白色,直径略小于正菌株,菌丝稀疏,边缘菌丝白色,中部有大量橙色的分生孢子堆。"正"、"负"菌株异宗配合后,可产生大量可育子囊壳;单独的"正"菌株有性生殖产生稀疏丛簇状的可育子囊壳;单个的"负"菌株只能产生分散且不育的子囊壳。"正"、"负"菌株菌落的生长速度没有差异,对温度、营养、光照和p H值的敏感性也没有差异,但"正"、"负"菌株的致病性存在差异。正菌株的有性生殖没有导致r DNA-ITS、β-tubulin基因碱基序列变异。" @default.
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- W2284329883 date "2015-11-15" @default.
- W2284329883 modified "2023-09-24" @default.
- W2284329883 title "围小丛壳Glomerella cingulata子囊孢子交配繁殖、生物学特性及致病性" @default.
- W2284329883 doi "https://doi.org/10.13346/j.mycosystema.140091" @default.
- W2284329883 hasPublicationYear "2015" @default.
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