FORMATION OF MICROSCLEROTIA OF VERTICILLIUM-DAHLIAE IN PETIOLES OF INFECTED ASH TREES

被引:12
|
作者
RIJKERS, AJM [1 ]
HIEMSTRA, JA [1 ]
BOLLEN, GJ [1 ]
机构
[1] WAGENINGEN UNIV AGR,DEPT FORESTRY,6700 AH WAGENINGEN,NETHERLANDS
来源
关键词
D O I
10.1007/BF02000094
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Under young ash trees infected with Verticillium dahliae, over 10% of the petioles of fallen leaves were colonized by the pathogen. Counts of microsclerotia in six petioles yielded an average number of 1500 Per cm of petiole. Windblown leaves from infected trees very probably contribute to dissemination of the pathogen in forest stands and nurseries.
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页码:261 / 264
页数:4
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