小麦茎基腐病苗期抗病性鉴定

Identification and of Different Wheat Seedlings with Resistance to Crown rot

为了解目前河南省小麦品种的抗茎基腐病现状,采用室内盆栽接种试验,对河南省生产上大面积推广和新培育的44个小麦品种的抗茎基腐病性能进行研究。结果表明:品种间存在明显的抗性差异,但整体抗性较差,无免疫和高抗品种;中抗品种有7份,占总数的15.9%,包括华育198、众麦1号、郑育麦9987、豫保1号、洛旱6号、百农207和衡观35;其余均为感病品种。

The resistance of 44 wheat varieties against crown rot was determined by the indoor pot test to know the present situation of wheat varieties with resistance to crown rot in Henan Province. Results. There are significant differences in resistance to crown rot among 44： tested wheat varieties and there are no immune and high resistant varieties against crown rot in 44 tested varieties. 7 wheat varieties （15.9% of total tested wheat varieties） including Huayu 198, Zhongmai 1, Zhengyumai 9987, Yubao 1, Luohan 6, Bainong 207 and Hengguan 35 are of moderate resistance to crown rot and 37 other tested wheat varieties are susceptible varieties to wheat crown rot.