A comparative study of Phytophthora meadii isolates from rubber (Hevea brasiliensis) plantations in Sri Lanka

被引：0
|
作者：
K.E. Jayasuriya
R.L.C. Wijesundera
C.K. Jayasinghe
B.I. Thennakoon
机构：
[1] Rubber Research Institute,Department of Plant Pathology & Microbiology
[2] University of Colombo,Department of Botany
来源：
Mycopathologia | 1999年 / 147卷
关键词：
variation; morphology; pathogenicity; bark rot; leaf fall;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Thirty-three Phytophthora meadii isolates were obtained from different Hevea brasiliensisclones grown in different climatic regions in Sri Lanka. Growth, morphology and pathogenicity of the isolates were compared. Growth and pathogenicity levels varied among the isolates. Some isolates obtained from moderately susceptible rubber clones were highly pathogenic, compared to isolates obtained from resistant clones. Highly pathogenic isolates produced a higher number of sporangia on agar at 27 ± 2°C. It was impossible to group isolates according to the clone or the region from where they were obtained.
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页码：125 / 132
页数：7
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