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Content archived on 2024-04-19

Biocontrol of damaging root-knot nematode (meloidogyne spp.) pests of staple food and cash crops by inducing suppressive soils with the bacterial parasite Pasteuria penetrans

Objective



The primary objective of this proposal is to demonstrate the principles and develop integrated methods for suppressing root-knot nematodes (RKN, Meloidogyne spp.) using a naturally occurring bacterial parasite, Pasteuria penetrans. RKNs are serious and damaging pests of many tropical and sub-tropical food and cash crops. Their wide host range, race structure, short life cycle and rapid rate of multiplication make them damaging and difficult to control. Nematicides can be effective, but are only used on high value crops as they are expensive, toxic, polluting and demand expertise. This proposal will: (1) Survey the incidence of P. penetrans (P.p.) to demonstrate its wide distribution, albeit at generally low levels. (2) Correlate the distribution of, and rates of increase of P.p.. With abiotic and biotic factors. (3) Develop and demonstrate methods for producing suppressive soils, primarily by cropping designed to increase natural infestations, but where absent from inoculated P.p.. (4) Understand and model P.p. population dynamics and factors influencing infectivity. (5) Develop integrated methods of managing RKN using P.p. RKN-resistant and non-host crops and legumes. (6) provide training in nematology, integrated control of RKN and use of biocontrol agents. The proposal involves institutes in three EEC countries with expertise in nematology and biocontrol and countries in east and west Africa, the Caribbean, S. America and S.E. Asia. Much of the research will be in the tropical countries and will be coordinated by two nematologists with international remits. The management will be by a hierarchy involving three EEC centres and will be based on their existing regional contacts and interests. overall, the proposed project will contribute to better agricultural practice and increase output through the better use of legumes and RKN resistant and non-host crops integrated with, where appropriate, the production of suppressive levels of P.p..

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Topic(s)

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Call for proposal

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Funding Scheme

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CSC - Cost-sharing contracts

Coordinator

Scottish Crop Research Institute (SCRI)
EU contribution
No data
Address
Invergowrie
DD2 5DA Dundee
United Kingdom

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Total cost

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Participants (9)

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