OALib Journal期刊
甜瓜根腐病病原分离与抗源鉴定
DOI: 10.7668/hbnxb.2010.04.046
Keywords: 甜瓜 ,根腐病 ,病原分离 ,抗源鉴定
Abstract:
近年来根腐病在厚皮甜瓜设施与露地栽培中普遍发生,危害严重.试验对厚皮甜瓜根腐病病样进行病原菌分离和纯化,经培养、鉴定及致病性测定,证实分离的致病菌是甜瓜根腐病菌.以所获得的病原菌菌株作为菌种,制备病原接种体,采用幼苗离体接种法,对267份薄皮甜瓜种质资源进行根腐病抗性评价,结果筛选出16份高抗和20份抗病种质资源,说明薄皮甜瓜种质资源中蕴藏着对改良厚皮甜瓜根腐病抗性有潜在利用价值的基因资源.
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