摘要
杨树叶枯病〔Alternaria alternata(Fr.)Keissl〕分布广泛,是杨树主要病害之一。目前针对杨树叶枯病主要是化学防治为主,大量使用杀菌剂污染环境,同时促使该地区抗性种群的形成。木霉菌是一种资源丰富的拮抗微生物,已作为生物制剂应用于一些树种的病害防治。文章以生防菌绿色木霉菌(Trichoderma viride)、哈茨木霉(Trichoderma harzianum)为试材,研究2种木霉菌株对杨树叶枯病病原菌株生长的拮抗作用,及其对杨树叶枯病菌株生长的抑制作用,以期为利用木霉菌有效防治杨树叶枯病提供理论依据。
Leaf blight from the poplar trees is widely distributed,which is one of the main diseases of poplar.Currently,it is mainly chemical control of poplar leaf blight,polluting the environment with fungicide,Formation of Resistant Populations.Trichoderma is a resource-rich antagonistic microorganisms and has been used as a biological agent in disease prevention and control of some tree species.In this paper,Trichoderma viride and Trichoderma harzianum were used to study the antagonistic effect of two Trichodermastrains on the growth of leaf blight of poplar and the effects of Trichoderma viride,Growth inhibition,with a view to the use of Trichodermaeffective control of poplar blight provide a theoretical basis.
出处
《防护林科技》
2017年第1期28-31,68,共5页
Protection Forest Science and Technology
关键词
杨树叶枯病
哈茨木霉
绿色木霉
Poplar leaf blight
Trichoderma harzianum
Trichoderma viride
