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Commercial formulates of trichoderma induce systemic plant resistance to meloidogyne incognita in tomato and the effect is additive to that of the Mi-1.2 resistance gene

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dc.contributor.author Pocurull, Miriam
dc.contributor.author Fullana, Aïda M.
dc.contributor.author Ferro, Miquel
dc.contributor.author Valero, Pau
dc.contributor.author Escudero, Nuria
dc.contributor.author Saus Martínez, Ester
dc.contributor.author Gabaldón Estevan, Juan Antonio, 1973-
dc.contributor.author Sorribas, F. Javier
dc.date.accessioned 2020-03-23T10:53:46Z
dc.date.available 2020-03-23T10:53:46Z
dc.date.issued 2020
dc.identifier.citation Pocurull M, Fullana AM, Ferro M, Valero P, Escudero N, Saus E et al. Commercial formulates of trichoderma induce systemic plant resistance to meloidogyne incognita in tomato and the effect is additive to that of the Mi-1.2 resistance gene. Front Microbiol. 2020 Jan 31; 10: 3042. DOI: 10.3389/fmicb.2019.03042
dc.identifier.issn 1664-302X
dc.identifier.uri http://hdl.handle.net/10230/43994
dc.description.abstract Meloidogyne is the most damaging plant parasitic nematode genus affecting vegetable crops worldwide. The induction of plant defense mechanisms against Meloidogyne in tomato by some Trichoderma spp. strains has been proven in pot experiments, but there is no information for tomato bearing the Mi-1.2 resistance gene or for other important fruiting vegetable crops. Moreover, Trichoderma is mostly applied for managing fungal plant pathogens, but there is little information on its effect on nematode-antagonistic fungi naturally occurring in soils. Thus, several experiments were conducted to determine (i) the ability of two commercial formulates of Trichoderma asperellum (T34) and Trichoderma harzianum (T22) to induce systemic resistance in tomato and cucumber against an avirulent Meloidogyne incognita population in split-root experiments; (ii) the effect of combining T34 with tomato carrying the Mi-1.2 resistance gene to an avirulent M. incognita population in sterilized soil; and (iii) the effect of combining T34 with tomato carrying the Mi-1.2 resistance gene to a virulent M. incognita population in two suppressive soils in which Pochonia chlamydosporia is naturally present, and the effect of T34 on the level of P. chlamydosporia egg parasitism. Both Trichoderma formulates induced resistance to M. incognita in tomato but not in cucumber. In tomato, the number of egg masses and eggs per plant were reduced by 71 and 54% by T34, respectively. T22 reduced 48% of the number of eggs per plant but not the number of egg masses. T34 reduced the number of eggs per plant of the virulent M. incognita population in both resistant and susceptible tomato cultivars irrespective of the suppressive soil, and its effect was additive with the Mi-1.2 resistance gene. The percentage of fungal egg parasitism by P. chlamydosporia was not affected by the isolate T34 of T. asperellum.
dc.description.sponsorship Projects AGL2013-49040-C2-1-R and AGL2017-89785-R were financed by the Spanish Ministry of Economy and Competitiveness (MINECO) and the European Regional Development Fund (FEDER)
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher Frontiers Media
dc.rights © 2020 Miriam Pocurull et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY)
dc.rights.uri http://creativecommons.org/licenses/by/4.0/
dc.subject.other Trichoderma
dc.subject.other Meloidogyne incognita
dc.subject.other Tomàquets
dc.title Commercial formulates of trichoderma induce systemic plant resistance to meloidogyne incognita in tomato and the effect is additive to that of the Mi-1.2 resistance gene
dc.type info:eu-repo/semantics/article
dc.identifier.doi http://dx.doi.org/10.3389/fmicb.2019.03042
dc.relation.projectID info:eu-repo/grantAgreement/ES/1PE/AGL2013-49040-C2-1-R
dc.relation.projectID info:eu-repo/grantAgreement/ES/2PE/AGL2017-89785-R
dc.rights.accessRights info:eu-repo/semantics/openAccess
dc.type.version info:eu-repo/semantics/publishedVersion


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