Diversidad del género Trichoderma (Hypocraceae) en un Área Natural Protegida en Tabasco, México

Hernández, Litzajaya Sánchez; Mota, Rosa María Arias; Rosique-Gil, Edmundo; Figueroa, Coral Jazvel Pacheco

doi:10.21829/abm123.2018.1269

Cited by 3 publications

(3 citation statements)

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“…This was also ratified by Komarek et al [45]. Furthermore, modern agriculture has become dependent on chemical pesticides to control phytopathogenic organisms, which has caused pest resistance, changes in soil microbial diversity, and environmental pollution [46][47][48]. Microorganisms could be identified as T. harzianum based on their morphological characteristics and molecular techniques, as demonstrated by other researchers [40,41,[49][50][51].…”

Section: Isolation and Identification Of Trichoderma Spp Strainsmentioning

confidence: 93%

Isolation and Characterization of Trichoderma spp. for Antagonistic Activity against Avocado (Persea americana Mill) Fruit Pathogens

et al. 2022

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In this research, we aimed to isolate and identify native strains of Trichoderma spp. with potential activity against avocado pathogens (Neofusicoccum parvum, Colletotrichum gloeosporioides, Diaporthe sp., and Phomopsis perseae). Strains of Trichoderma spp. were isolated from roots and soil obtained from avocado orchards from different regions of Mexico. Twenty-five Trichoderma spp. strains were isolated, of which six (TSMICH7, TSMICH8, TRMICH9, TSMICH10, TSMICH15, and TRJAL25) showed greater antagonistic capacity in vitro (>80%) against avocado pathogens. After 96 h, the antagonistic strain undergoes a thickening of hyphae, while the phytopathogen tends to thin, except for Diaporthe sp., which tends to thicken. The characterization of these strains was carried out through morphological observations and the amplification and sequencing of rDNA fragments (ITS regions), as well as the translation elongation factor 1-alpha (Tef 1-α), achieving the identification of Trichoderma harzianum. However, in the in vivo evaluation (applying directly to the avocado fruit), the TSMICH7 strain maintained considerably high effectiveness (>90%) against the four phytopathogens tested, mainly with P. perseae, N. parvum, and Diaporthe sp., increasing the activity of glucanases and chitinases. Therefore, T. harzianum could be used as a biological control agent to inhibit post-harvest pathogens in avocados, thus avoiding significant losses of this fruit of international importance.

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Section: Isolation and Identification Of Trichoderma Spp Strainsmentioning

confidence: 93%

Isolation and Characterization of Trichoderma spp. for Antagonistic Activity against Avocado (Persea americana Mill) Fruit Pathogens

et al. 2022

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“…Acta Botánica Mexicana [29,32,33] African Journal of Agricultural Research [34] African Journal of Biotechnology [35] Agrociencia [17,36] Applied Microbiology and Biotechnology [37] Avances en Investigación Agropecuaria [10]…”

Section: Journal Articlesmentioning

confidence: 99%

“…Some studies on the diversity of the genus Trichoderma in Mexico focus on calculating indices based on the quantification of the number of present species. Examples of such studies are those conducted by Sánchez & Rebolledo (2010) [22], Torres-De la Cruz et al (2015) [28], and Sánchez Hernández et al (2018) [29], who calculated Margalef indices for this genus, obtaining values of 0.71 (in Agave tequilana), 1.75, and 2.48 (in Theobroma cacao), respectively.…”

Section: Introductionmentioning

confidence: 99%

Trichoderma Diversity in Mexico: A Systematic Review and Meta-Analysis

Ahedo-Quero,

Aquino-Bolaños,

Ortiz-Hernández

et al. 2024

Diversity

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Trichoderma is a genus of cosmopolitan fungi with more than 375 species described today. Despite its global significance in agriculture, ecosystems, and industry, few studies have focused on studying the diversity and distribution of this genus in Mexico. In this systematic review and meta-analysis, we aimed to understand the diversity and distribution of Trichoderma species in Mexico, both in ecosystems and agroecosystems. For this systematic review, we used the PRISMA methodology. We reviewed forty-one scientific articles, two book chapters, and the GBIF database. We recorded a total of 1082 isolates, revealing the presence of 57 species of the genus Trichoderma in 29 states of Mexico. We found that species from the genus Trichoderma were reported in 20 agroecosystems and 6 ecosystems. T. harzianum was the predominant species in both agricultural and undisturbed soil. Tabasco and Veracruz were the states with the highest species diversity, with 20 and 14 species reported, respectively. Chiapas had the highest diversity indices (Menhinick had 3.20, Simpson had 0.89, and Margalef had 4.16). The coffee crop was the agroecosystem with the highest diversity, with 12 species reported. In the undisturbed ecosystems, tropical rainforests featured 12 different species. This study highlights the distribution of the genus Trichoderma as a cosmopolitan genus. We argue for the importance of the species that comprise the genus and its applications for social benefits.

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Trichoderma spp.: characteristics and applications

Basso Valeria,

Gabriela,

Gustavo

2024

JABB

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Trichoderma is the genus of a cosmopolitan fungus, common in different types of environments or agroecosystems. It has different properties that give it beneficial qualities and functions, which is why it is given different uses, for example, as a biocontrol agent, through induced or direct systemic resistance, as a plant growth stimulant, improving the absorption of water and nutrients and producing phytohormones, as a bioremediator, among others. The objective of this work was to compile knowledge of the characteristics of the genre Trichoderma and the different applications it can have

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Diversidad del género Trichoderma (Hypocraceae) en un Área Natural Protegida en Tabasco, México

Cited by 3 publications

References 50 publications

Isolation and Characterization of Trichoderma spp. for Antagonistic Activity against Avocado (Persea americana Mill) Fruit Pathogens

Isolation and Characterization of Trichoderma spp. for Antagonistic Activity against Avocado (Persea americana Mill) Fruit Pathogens

Trichoderma Diversity in Mexico: A Systematic Review and Meta-Analysis

Trichoderma spp.: characteristics and applications

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