草坪褐斑病病原菌鉴定、流行规律及其综合控制技术的研究

被引:30
作者
晁龙军
单学敏
车少臣
曾大鹏
机构
[1] 中国林科院森林生态环境与保护研究所!北京
[2] 北京市园林科学研究所!北京
关键词
草坪褐斑病; 立枯丝核菌; 草坪;
D O I
暂无
中图分类号
S436.8 [观赏园艺类病虫害];
学科分类号
摘要
通过 1996~ 1999年的调查研究表明 ,引起北京市草坪褐斑病的病原主要为立枯丝核菌 ,该菌以菌核在土壤中越冬 ,气温在 17℃以上时菌核开始萌发 ,萌发的最适温度为 30℃ ,土壤温度在 2 0℃以上时菌丝开始侵染 ;病害的流行可分为 4个时期 :菌核萌发期、侵染发病初期、发病盛期和病害稳定期 ,前两个时期是病害防治的关键时期 ;扑海因、甲基托布津和万霉灵对病菌的毒力强 ,可以作为病害防治的化学药剂 ,生防菌制剂特立克和X8也有一定的防治效果。在综合研究的基础上 ,依据病害的田间流行规律及发生特点配制了 3种药剂。田间防治试验表明 ,综合利用这 3种药剂草坪褐斑病得到了较好的控制
引用
收藏
页码:43 / 48
页数:6
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