USE OF PLANT GROWTH PROMOTING BACTERIA (PGDB) FOR PROMOTING TOMATO GROWTH AND ITS EVALUATION AS BIOLOGICAL CONTROL AGENT

International journal of microbiology and current research Pub Date : 2013-09-30 DOI:10.9735/0975-5276.5.5.452-457

I. Camele, Emanuela Ventrella, L. Scrano, Stella Lovelli, Mariana Amato, A. Lucano

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引用次数: 1

Abstract

The plant growth promoting effect of some bacteria usable to control plant diseases has a potential for resolving technical problems of plant production. The effects of Burkholderia gladioli pv. agaricicola ICMP11096 on development of tomato seedlings development and control of their infection by Fusarium oxysporum and Sclerotinia sclerotiorum were evaluated in the present study. Bacterized plants showed a higher shoot and root weight and a more extended root system in terms of total length and root density than non-bacterized plants. The bacter- izing treatments gave rise to significant reduction of disease symptoms such as leaf wilting induced by F. oxysporum infection and/or root ne- crosis and leaf yellowing by S. sclerotiorum. The potential use of Burkholderia gladioli pv. agaricicola ICMP11096 in biocontrol of fungal patho- gens and to enhance seedling growth parameters is underlined as a tool to achieve a high commercial quality of nursery tomato plants. Keywords- Plant growth promoting bacteria, Burkholderia gladioli pv. agaricicola, Fusarium oxysporum, Sclerotinia sclerotiorum, tomato, bio- logical control

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植物生长促进菌(pgdb)对番茄生长的促进作用及其生物防治效果评价

一些可用于控制植物病害的细菌对植物生长的促进作用，对解决植物生产的技术问题具有潜在的意义。剑兰伯克霍尔德菌的作用。本研究评价了真菌ICMP11096对番茄幼苗发育的影响，以及对番茄尖孢镰刀菌和菌核菌侵染的防治效果。与未灭菌植株相比，灭菌植株的茎重和根重更高，根系的总长度和根密度更大。细菌处理显著减少了病害症状，如尖孢镰刀菌感染引起的叶片萎蔫和/或根部坏死和菌核镰刀菌引起的叶片变黄。剑兰伯克霍尔德菌的潜在用途。强调了agaricicola ICMP11096在生物防治真菌病原菌和提高幼苗生长参数方面的应用价值，是实现番茄苗木高品质商品化的重要手段。关键词:植物促生菌;剑兰伯克霍尔德菌;真菌，尖孢镰刀菌，菌核菌，番茄，生物防治

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International journal of microbiology and current research

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