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番茄灰霉病拮抗木霉菌的筛选及效果评价
引用本文:刘波微,彭化贤,陈素清.番茄灰霉病拮抗木霉菌的筛选及效果评价[J].西南农业学报,2007,20(4):650-653.
作者姓名:刘波微  彭化贤  陈素清
作者单位:1. 四川省农业科学院植物保护研究所,四川,成都,610066
2. 四川省农业厅植物检疫站,四川,成都,610041
基金项目:农业部“948”项目(2006-G54(A))
摘    要:利用57株木霉菌株对番茄灰霉菌(Botrytis cineren)进行室内抑菌效果测定和小区防病试验。结果表明:①木霉菌菌株对灰霉菌的作用机制主要表现在较强的重寄生作用,其释放的代谢产物消解灰霉菌菌丝。②其中有的木霉菌菌株的分生孢子释放的代谢产物能够抑制灰霉菌孢子萌发,有的能够刺激灰霉菌孢子萌发,说明各个木霉菌菌株的代谢产物不尽相同。③两年的小区防治番茄灰霉病试验,有4株木霉菌株的平均防治效果在60%以上,其菌株具有生长速度快、产孢早及产孢量大等特点。

关 键 词:木霉菌  番茄灰霉菌  生物防治
文章编号:1001-4829(2007)04-0648-04
修稿时间:2006-04-12

Screening of Trichoderma antagonistic strains to Tomato Botrytis cineren and its evaluation of the control effect
LIU Bo-wei,PENG Hua-xian,CHEN Su-qing.Screening of Trichoderma antagonistic strains to Tomato Botrytis cineren and its evaluation of the control effect[J].Southwest China Journal of Agricultural Sciences,2007,20(4):650-653.
Authors:LIU Bo-wei  PENG Hua-xian  CHEN Su-qing
Institution:1. The Institute of Plant Protection, Sichuan Academy of Agricultural Sciences, Sichuan Chengdu 610066, China;2. The Station of Plant Quarantine, Agricultural Department of Sichuan Province, Sichuan Chengdu 610066, China
Abstract:By testing of the vitro and field plots to Tomato Botrytis cineren in 57 Trichoderma strains,the results showed that Trichoderma strains limited strongly the hypha growth of Tomato Botrytis cineren and the good strains of fungistatic action accounted for 45.61% in the all screened strains.The second,the strain of fungistatic action accounted for 6.90%.Mechanism of Trichoderma antagonistic strains to Botrytis cineren showed strongly the double parasitism.Trichoderma strains could release metabolic materials and eliminated the hypha of Botrytis cineren.Most of Trichoderma strains inhibited the spore germination and hypha growth of Botrytis cineren.During two years,the control effect of four strains of Trichoderma were over 60% in the field plots.They possessed excellent characteristics in the quick growth,early sporulate and high quantum of spore-production.They were good value Trichoderma strains.
Keywords:Trichoderma strains  tomato Botrytis cineren  biological control
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