夏玉米丝黑穗病原菌的遗传多样性分析

来源 :第一届环渤海地区微生物学术研讨会 | 被引量 : 0次 | 上传用户:pocohao
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  玉米丝黑穗病是由丝轴黑粉菌(Sphacelotheca reiliana)引起的玉米生产上的主要病害,在我国北方春玉米产区发生较为严重,每年造成减产达30万吨左右。近年来,由于气候变化和耕作制度的改革,河北石家庄等夏玉米区丝黑穗病逐年严重发生,但目前尚未明确该病在夏玉米区的发生条件和发生原因。分子标记技术己越来越多地被用于分析植物病原真菌的遗传多样性,国外已利用UP-PCR (universally primed PCR)技术进行微生物多样性和种类鉴定研究。
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