Compatibility studies of indigenous Trichoderma isolates with pesticides

Ramanagouda, G.; Naik, M. K.

doi:10.1007/s42360-021-00325-3

Cited by 7 publications

(5 citation statements)

References 18 publications

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“…Trichoderma carraovejensis shows some tolerance to several of the fungicides used in this trial. As observed in other studies such as Ramanagouda and Naik (2021) , our Trichoderma strain and other indigenous species like T. asperelloides , T. asperellum , and H. lixii could be used for the integrated control of grapevine trunk diseases in their regions of origin. This approach is a preventative method for protecting pruning wounds of vine plants against GTDs.…”

Section: Discussionsupporting

confidence: 63%

Trichoderma carraovejensis: a new species from vineyard ecosystem with biocontrol abilities against grapevine trunk disease pathogens and ecological adaptation

Zanfaño,

Carro-Huerga,

Rodríguez-González

et al. 2024

Front. Plant Sci.

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Trichoderma strains used in vineyards for the control of grapevine trunk diseases (GTDs) present a promising alternative to chemical products. Therefore, the isolation and characterization of new indigenous Trichoderma strains for these purposes is a valuable strategy to favor the adaptation of these strains to the environment, thus improving their efficacy in the field. In this research, a new Trichoderma species, Trichoderma carraovejensis, isolated from vineyards in Ribera de Duero (Spain) area, has been identified and phylogenetically analyzed using 20 housekeeping genes isolated from the genome of 24 Trichoderma species. A morphological description and comparison of the new species has also been carried out. In order to corroborate the potential of T. carraovejensis as a biological control agent (BCA), confrontation tests against pathogenic fungi, causing various GTDs, have been performed in the laboratory. The compatibility of T. carraovejensis with different pesticides and biostimulants has also been assessed. This new Trichoderma species demonstrates the ability to control pathogens such as Diplodia seriata, as well as high compatibility with powdered sulfur-based pesticides. In conclusion, the autochthonous species T. carraovejensis can be an effective alternative to complement the currently used strategies for the control of wood diseases in its region of origin.

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Section: Discussionsupporting

confidence: 63%

Trichoderma carraovejensis: a new species from vineyard ecosystem with biocontrol abilities against grapevine trunk disease pathogens and ecological adaptation

Zanfaño,

Carro-Huerga,

Rodríguez-González

et al. 2024

Front. Plant Sci.

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“…Trichoderma indigenous isolates from soil in India demonstrated a high compatibility with all the isolates in comparison to some pesticides. Some of them, such as 2,4-D and glyphosate, showed compatibility with a few strains [ 51 ]. Moreover, some Trichoderma strains such as Trichoderma viride strain FRP could degrade glyphosate [ 52 ]; Trichoderma asperellum TJ01 is tolerant to an organophosphorus pesticide [ 53 ].…”

Section: Discussionmentioning

confidence: 99%

Vineyard Management and Physicochemical Parameters of Soil Affect Native Trichoderma Populations, Sources of Biocontrol Agents against Phaeoacremonium minimum

Carro-Huerga

Mayo-Prieto

Rodríguez-González

et al. 2023

Plants

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Native strains of Trichoderma in vineyard soil represent an opportunity for reducing the incidence of grapevine trunk diseases (GTDs) in vineyards. Moreover, its relationship with the environment (physicochemical soil characteristics and farming management practices) remains unclear. In the current study, a survey was carried out on farming management used by viticulturists, and soil samples were studied to analyze their physicochemical properties and to isolate Trichoderma strains. Later, statistical analyses were performed to identify possible correlations between Trichoderma populations, soil management and soil characteristics. In addition, in vitro tests, including antibiosis and mycoparasitism, were performed to select those Trichoderma strains able to antagonize Phaeoacremonium minimum. In this study a positive correlation was found between the iron content and pH in the soil, and a lower pH increases Trichoderma populations in soils. Vineyard management also affects Trichoderma populations in the soil, negatively in the case of fertilization and tillage and positively in the case of herbicide spraying. Two Trichoderma native strains were selected as potential biocontrol agents (Trichoderma gamsii T065 and Trichoderma harzianum T087) using antibiosis and mycoparasitism as mechanisms of action. These results led to the conclusion that native Trichoderma strains hold great potential as biological control agents and as producers of secondary metabolites.

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“…In our study, T. velutinum T028 was not affected by this compound, while T. harzianum T019 and T. virens T032 were slightly inhibited. Regarding Pendimethalin, which is a dinitroaniline herbicide with residual activity that persists for 3–4 months, some previous research found that, when applied with Trichoderma , neither Pendimethalin nor any of the antagonists showed any mycelial radial growth inhibition in the presence of the herbicide at field doses [ 49 , 66 ]. However, in our study, all Trichoderma strains were inhibited on all analyzing days, except T. velutinum T028, which was only affected by this herbicide.…”

Section: Discussionmentioning

confidence: 99%

Organic and Conventional Bean Pesticides in Development of Autochthonous Trichoderma Strains

Mayo-Prieto

Squarzoni

Carro-Huerga

et al. 2022

JoF

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Pesticides of chemical synthesis have mainly been used to control pests, diseases and adventitious plants up until now. However, it has been shown that some pesticides can remain in the soil for long periods of time, thus affecting the development of organisms in the rhizosphere as well as human health, which are two of the most noteworthy side effects. The aim of this research was to analyze the compatibility of autochthonous Trichoderma strains with different synthetic fungicides, acaricides, insecticides (including an entomopathogenic fungus) and herbicides. Sulfur encouraged the growth of all autochthonous strains assayed, and the combination Trichoderma-B. bassiana did not disturb their growth. So, the combination of the autochthonous Trichoderma strains with these organic pesticides will be a positive strategy to apply in the field to control pests and some diseases. Conventional pesticides modified the development of all autochthonous Trichoderma strains, demonstrating that not only do they affect weeds, fungus or pests but also rhizosphere microorganisms. In conclusion, conventional pesticides indiscriminately used to control pests, diseases and weeds could reduce the development of autochthonous Trichoderma strains, especially fungicides and herbicides.

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Compatibility studies of indigenous Trichoderma isolates with pesticides

Cited by 7 publications

References 18 publications

Trichoderma carraovejensis: a new species from vineyard ecosystem with biocontrol abilities against grapevine trunk disease pathogens and ecological adaptation

Trichoderma carraovejensis: a new species from vineyard ecosystem with biocontrol abilities against grapevine trunk disease pathogens and ecological adaptation

Vineyard Management and Physicochemical Parameters of Soil Affect Native Trichoderma Populations, Sources of Biocontrol Agents against Phaeoacremonium minimum

Organic and Conventional Bean Pesticides in Development of Autochthonous Trichoderma Strains

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