皮下接种松墨天牛卵及幼虫致死松树的研究
Characteristic damage of Monochamus alternatus inoculated under the bark of pine trees.
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作者单位:浙江省宁波市森林病虫防治检疫站,宁波315000
中文关键词:松墨天牛;松树;松材线虫病
英文关键词:Monochamus alternatus Hope; pine trees; pine wilt disease
中文摘要:为了探明松墨天牛MonochamusalternatusHope直接致死松树的作用 ,作者采用在健康松树皮下接入松墨天牛卵或初孵幼虫方法做了试验和观察。结果表明 ,接入卵或初孵幼虫的松树平均枯死率为41.7%。松树枯死取决于松墨天牛幼虫取食时对松树韧皮部的破坏程度。每株接入5个单位
英文摘要:Characteristic damage of the pine-sawyer Monochamcas alternatas in pine trees was surveyed by using the method of inoculating eggs and larvae under the bark of healthy pine tress. The result showed that the average mortality rate of pine trees is 4