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Esteya vermicola是首次发现的松材线虫的内寄生真菌。最近从韩国土壤中发现了该菌的一个新菌株。该菌株能产生两种孢子,并能在4~5d内感染几乎所有测试的松材线虫分离物。最近2年里在韩国进行了该菌株的温室和林间的接种试验,使用了3种方法进行接种,即喷施、注干和将感染的松材线虫接种到松树上。结果证明,该菌在松树幼树中生长并侵染到接种松树中的松材线虫,在松树中也观察到该菌的存在。目前,对该菌的使用方法和施用配方的评价和商品化工作正在展开。
Estea vermicola is the first parasitic fungus found in pine wood nematode. A new strain of this bacterium has recently been found in soil of South Korea. The strain produced two spores and was able to infect almost all of the tested pine wood nematode isolates within 4 to 5 days. In the last two years, the strain was inoculated in the greenhouse and in the forest in South Korea. Three methods were used for inoculation, that is, spraying, filling, and inoculation of the infected pine wood to pine trees. The results demonstrated that the bacteria grew in pine young trees and invaded pine wood nematodes inoculated with pine trees and the presence of the bacteria was also observed in pine trees. At present, the use of the bacteria and application formula evaluation and commercialization are under way.