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Título
Influence of Fungicide Application and Vine Age on Trichoderma Diversity as Source of Biological Control Agents
Autor
Facultad/Centro
Área de conocimiento
Título de la revista
Agronomy
Número de la revista
3
Cita Bibliográfica
Carro-Huerga, G., Mayo-Prieto, S., Rodríguez-González, Á., González-López, Ó., Gutiérrez, S., & Casquero, P. A. (2021). Influence of fungicide application and vine age on trichoderma diversity as source of biological control agents. Agronomy, 11(3). https://doi.org/10.3390/AGRONOMY11030446
Editorial
MDPI
Fecha
2021
Resumen
[EN] Fungi from the genus Trichoderma have a worldwide distribution and are commonly found
in agricultural lands. Further, it has been described as a non-virulent and symbiont microorganism
that can contribute to minimize the pernicious effects of pathogens. In the present work we have isolated
Trichoderma spp. from bark of grapevine in different orchards in order to determine the influence
of fungicide application and vine age on Trichoderma diversity in plant. An opposite correlation between
the number of fungicides sprayed per campaign and the diversity of Trichoderma spp. isolates
was found. Moreover, the older are grapevine plants the higher is the diversity of Trichoderma spp.
isolates. The different Trichoderma strains isolated were tested against Phaeoacremonium minimum, a
grapevine trunk pathogen, to evaluate their biocontrol capacity. Three Trichoderma strains shown a
significant capacity to control P. minimum and were selected as candidates to be used as biological
control agents. In addition, a rapid and easy method for isolating Trichoderma spp. from grapevine
plants has been developed, which allowed to determine that the reduction in the amount of pesticide
use, together with the preservation of old vineyards, lead to healthier agroecosystems containing
higher levels of beneficial microorganisms
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