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首页> 外文期刊>Phytoparasitica >Effects of Bacillus subtilis, Pseudomonas fluorescens and Aspergillus awamori on the wilt-leaf spot disease complex of tomato
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Effects of Bacillus subtilis, Pseudomonas fluorescens and Aspergillus awamori on the wilt-leaf spot disease complex of tomato

机译：枯草芽孢杆菌，荧光假单胞菌和泡盛曲霉对番茄枯萎病斑病的影响

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摘要

The effects of Bacillus subtilis, Aspergillus awamori and Pseudomonas fluorescens on the wilt-leaf spot disease complex of tomato caused by Meloidogyne javanica, Ralstonia solanacearum and Xanthomonas campestris pv. vesicatoria were observed. Inoculation of B. subtilis, A. awamori and P. fluorescens caused a significant increase in plant growth and chlorophyll contents of pathogen-inoculated plants. Inoculation of P. fluorescens caused a greater increase in plant growth and chlorophyll contents of pathogen-inoculated plants than that caused by A. awamori. Application of P. fluorescens with B. subtilis caused a greater increase in plant growth and chlorophyll contents of pathogen-inoculated plants, but the maximum increase was observed when all the three biocontrol agents were inoculated together. P. fluorescens colonized tomato roots more than colonization by B. subtilis. Root colonization by P. fluorescens and B. subtilis was reduced when pathogens were inoculated with rhizobacteria. Inoculation of P. fluorescens caused a greater reduction in galling and nematode reproduction, followed by B. subtilis and A. awamori. Maximum reduction in galling, nematode reproduction, wilt and leaf spot disease indices was observed when all three biocontrol agents were used together.
机译：枯草芽孢杆菌，泡盛曲霉和荧光假单胞菌对爪哇根结线虫，茄形青枯菌和野油菜黄单胞菌引起的番茄枯叶斑病复合物的影响。观察了vesicatoria。接种枯草芽孢杆菌，泡盛曲霉和荧光假单胞菌后，病原体接种植物的植株生长和叶绿素含量显着增加。萤光假单胞菌的接种引起的植物生长和病原体接种植物的叶绿素含量比泡盛曲霉引起的增加更多。将荧光假单胞菌与枯草芽孢杆菌一起施用会导致病原体接种植物的植株生长和叶绿素含量的增加更大，但将三种生物防治剂一起接种时，观察到最大的增加。荧光假单胞菌对番茄根的定植比枯草芽孢杆菌对番茄的定植要多。当病原体接种根瘤菌时，荧光假单胞菌和枯草芽孢杆菌的根定植减少了。荧光假单胞菌的接种导致更大的减少了擦伤和线虫繁殖，其次是枯草芽孢杆菌和泡盛曲霉。当所有三种生物防治剂一起使用时，观察到最大程度的减少擦伤，线虫繁殖，枯萎和叶斑病指数。

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