Root exudates of mycorrhizal tomato plants exhibit a different effect on microconidia germination of Fusarium oxysporum f. sp. lycopersici than root exudates from non-mycorrhizal tomato plants

Mycorrhiza
S ScheffknechtHorst Vierheilig

Abstract

The effect of root exudates from mycorrhizal and non-mycorrhizal tomato plants on microconidia germination of the tomato pathogen Fusarium oxysporum f. sp. lycopersici was tested. Microconidia germination was enhanced in the presence of root exudates from mycorrhizal tomato plants. The more tomato plants were colonized by the arbuscular mycorrhizal fungus Glomus mosseae, the more microconidia germination was increased, indicating that alterations of the exudation pattern depended on the degree of root AM colonization. Moreover, alterations of the exudation pattern of mycorrhizal plants are not only local, but also systemic. Testing the exudates from plants with a high and a low P level revealed that the alterations of the root exudates from mycorrhizal plants, resulting in a changed effect on microconidia germination, are not due to an improved P status of mycorrhizal plants.

References

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Citations

Jul 21, 2009·Applied and Environmental Microbiology·Esther BadosaEmilio Montesinos
Jul 27, 2006·The New Phytologist·Andreas Brachmann
Sep 10, 2014·Plant Physiology and Biochemistry : PPB·Fengge ZhangQirong Shen
Mar 24, 2017·The Plant Journal : for Cell and Molecular Biology·Hassan MassalhaAsaph Aharoni
Aug 9, 2008·Current Infectious Disease Reports·Katherine A Belden, Kathleen E Squires
Aug 16, 2017·Mycorrhiza·Anbu PoosakkannuMinna-Maarit Kytöviita
Nov 16, 2021·Frontiers in Microbiology·Evgenia BlagodatskayaBahar S Razavi

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