CHINA AND THE ORIGINS OF DUTCH ELM DISEASE - AN APPRAISAL

被引:98
作者
BRASIER, CM
机构
[1] Pathology Branch, Forest Research Station, Farnham, Surrey, GU10 4LH, Alice Holt Lodge
关键词
D O I
10.1111/j.1365-3059.1990.tb02470.x
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Circumstantial evidence has led to the widespread assumption that Dutch elm disease (caused by Ophiostoma ulmi) spread to Europe and North America from China. The author's recent surveys indicate that the disease is probably absent from China, and only a relatively recent arrival in the Soviet Tien Shan mountain region on the western Chinese border. Alternative origins for the disease include introduction from the Himalayas, and recent rapid evolution within Europe from a fungus such as Ophiostoma piceae. Elucidation of the various possibilities is complicated by the need to account for the spread of at least three genetically divergent subgroups of the pathogen. Copyright © 1990, Wiley Blackwell. All rights reserved
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页码:5 / 16
页数:12
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