Glyphosate treatments for weed control affect early stages of root colonization by Tuber melanosporum but not secondary colonization
Visualitza/Obre
Autor/a
Gómez‑Molina, Eva
Sánchez, Sergio
Parladé, Javier
Cirujeda, Alicia
Puig‑Pey, Meritxell
Marco, Pedro
Garcia‑Barreda, Sergi
Data de publicació
2020-10-13ISSN
0940-6360
Resum
The cultivation of the ectomycorrhizal fungus Tuber melanosporum has considerably spread in recent years throughout the world. During the first years of truffle cultivation, weed control is a key practice to improve the establishment of host trees and the proliferation of the fungus in the soil. Glyphosate is nowadays the most commonly used herbicide in Spanish truffle orchards. We explored the effect of glyphosate on the proliferation of T. melanosporum mycorrhizae, on extraradical mycelium and on the inoculum potential of T. melanosporum spores in greenhouse experiments using Quercus ilex seedlings as host plants. No detrimental effect on the secondary infection of T. melanosporum was found after three sequential glyphosate applications in young seedlings during one vegetative period. Instead, a change in the distribution of fine roots and T. melanosporum mycorrhizae along soil depth was observed. On the other hand, results indicate that high application rates of glyphosate hinder the infectivity of T. melanosporum spore inoculum, without apparent impact on the host performance. Our results suggest that glyphosate has the potential to jeopardise the role of the soil spore bank as inoculum source for the colonisation of new roots, also raising the question of whether glyphosate could hinder the presumed role of spores in sexual mating.
Tipus de document
Article
Versió del document
Versió acceptada
Llengua
English
Matèries (CDU)
632 - Malalties i protecció de les plantes
Pàgines
19
Publicat per
Springer
Publicat a
Mycorrhiza
Citació
Gómez-Molina, Eva, Sergio Sánchez, Javier Parladé, Alicia Cirujeda, Meritxell Puig-Pey, Pedro Marco, and Sergi Garcia-Barreda. 2020. "Glyphosate Treatments For Weed Control Affect Early Stages Of Root Colonization By Tuber Melanosporum But Not Secondary Colonization". Mycorrhiza 30 (6): 725-733. doi:10.1007/s00572-020-00990-8.
Número de l'acord de la subvenció
MINECO-FEDER/Programa Estatal de I+D+I orientada a los retos de la sociedad/RTI2018-093907-B-C21/ES/Diseño e implementacion de sistemas multiproductivos sostenibles en truficultura y analisis de los servicios ecosistemicos asociados/TUBERSYSTEMS
Programa
Protecció Vegetal Sostenible
Aquest element apareix en la col·lecció o col·leccions següent(s)
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Drets
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