东北红豆杉根腐病病原鉴定及生物学特性

Forest Pest and Disease(2018)

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Abstract
东北红豆杉Taxus cuspidata幼苗期易发根腐病.通过形态学和分子生物学相结合的方法对东北红豆杉根腐病病原菌进行鉴定,并在实验室内纯培养条件下对病原菌进行生物学特性研究.结果表明:东北红豆杉根腐病病原菌为茄腐皮镰孢菌Fusarium solani(Mart.) App.et Woll.,病原菌菌丝生长最适碳源为蔗糖,最适氮源为蛋白胨,最适pH值为6.0,菌丝生长适宜温度为20~ 35℃,最佳光照条件为12∶12光暗交替.
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