Journal
FEMS MICROBIOLOGY LETTERS
Volume 186, Issue 1, Pages 91-95Publisher
OXFORD UNIV PRESS
DOI: 10.1111/j.1574-6968.2000.tb09087.x
Keywords
Vitis vinifera; Botrytis cinerea; plant growth-promoting rhizobacterium Pseudomonas
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The potential of a plant growth-promoting rhizobacterium, Pseudomonas sp. (strain PsJN), to stimulate the growth and enhancement of the resistance of grapevine (Vitis vinifero L.) transplants to gray mould caused by Botrytis cinerea has been investigated. In vitro inoculation of grapevine plantlets induced a significant plant growth promotion which made them more hardy acid vigorous when compared to noninoculated plantlets. This ability increased upon transplanting. When grown together with B. cinerea, the causal agent of gray mould, significant differences of aggressiveness were observed between the inoculated and non-inoculated plants. The presence of bacteria was accompanied by an induction of plant resistance to the pathogen. The beneficial effect from this plant-microbe association is being postulated. (C) 2000 Federation of European Microbiological Societies. Published by Elsevier Science B.V. All rights reserved.
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