Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 516550
Title Nieuwe methoden in plantversterking tegen ondergrondse ziekten en plagen : gebruik van lokaal aanwezige antagonisten uit groeisubstraat en plant
Author(s) Wurff, Andre van der; Streminska, M.A.; Boer, F.A. de; Bruyant, Ewen; Cuesta Arenas, Y.
Source Bleiswijk : Wageningen University & Research, BU Glastuinbouw (Rapport GTB 1427) - 42
Department(s) WUR GTB Gewasgezondheid Bodem en Water
PPO BBF Team Lisse
WUR GTB Algemeen
Publication type Research report
Publication year 2016
Keyword(s) kasgewassen - kassen - glastuinbouw - gewasbescherming - plantenziekteverwekkers - antagonisten - bacteriën - verdediging - verdedigingsmechanismen - endofyten - pythium ultimum - meloidogyne - rhizobium rhizogenes - fusarium oxysporum - fusarium - micro-organismen - proteïnaseremmers - bèta-glucanase - chitinase - greenhouse crops - greenhouses - greenhouse horticulture - plant protection - plant pathogens - antagonists - bacteria - defence - defence mechanisms - endophytes - microorganisms - proteinase inhibitors - beta-glucanase
Categories Horticulture / Plant and Crop Protection (General)
Abstract Within this project, two new methods of the control of pathogens were investigated. New methods are: a. use of local bacteria that are isolated from soils or growing substrates; and b. bacteria that are present within the plant. By using local antagonists, already present in growing substrates or within plants in the greenhouse, the chance is higher that antagonist can be successfully used against local pathogens. Bacteria that were isolated from soil of growers were assessed on their antagonistic potential in lab trials against Pythium ultimum, Meloidogyne spp. and Rhizobium rhizogenes and Fusarium solani and F. oxysporum. Finally, the effect of antagonists against Pythium and Meloidogyne was evaluated in pot trials in the greenhouse. All antagonists diminished brown colourization symptoms in stems caused by Pythium. Alcaligenues sp., Bacillus sp. en two unidentified species diminished root damage and Alcaligenues sp. as well as Bacillus also reduced also the number of offspring of Meloidogyne spp. within the roots. The use of local microorganisms offers a sustainable-, new solution to control pathogens. In this study, it was shown that Proteinase inhibitor 2 (PINII), Glucanase (LeGluB) and Chitinase (LeChi3) can be used in tomato to investigate the influence of antagonists or endophytes on the plant defence.
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