Trichoderma asperellum Ta13-17 in the growth of Solanum lycopersicum and biocontrol of Corynespora cassiicola

Author:

Celis-Perera Sandy Esther1,Cristóbal-Alejo Jairo1,Reyes-Ramírez Arturo1,Garruña-Hernández Rene1,Tun-Suarez José María1,Gamboa-Angulo Marcela2

Affiliation:

1. Tecnológico Nacional de México

2. Centro de Investigación Científica de Yucatán

Abstract

Corynespora cassiicola is a pathogen that causes lesions in different organs of tomato crops. For its control, synthetic fungicides are used that require more than one application. Trichoderma spp. is a highly interactive saprophytic fungus in the rhizosphere known as a biological control agent against plant diseases and promoter of plant growth due to its different modes of action. The effect on physiological and growth variables in Solanum lycopersicum plants inoculated with spore concentrations 1x100, 1x105, 1x106, 1x107 and 1x108 of Trichoderma asperellum Ta-13-17 and Fithan®, (as a commercial control) was evaluated. As a biocontrol agent for C. cassiicola under protected conditions. The 1x106, 1x108 and Fithan® treatments obtained the highest photosynthetic rates with 20.7, 20.6 and 19.6 µmol m-2 s-1 respectively. The 1x108 conidia mL-1 treatment obtained the highest means in the photosynthesis variables 20.6 µmol m-2 s-1, yield 1347.02 g per plant and presented a lower percentage of final severity, lower speed in the distribution of the disease and lower accumulation of area under the disease progress curve.

Publisher

Revista Mexicana de Fitopatologia, Mexican Journal of Phytopathology

Subject

General Engineering

Reference23 articles.

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2. Baiyee B, Itod S and Sunpapao A. 2019. Trichoderma asperellum T1 mediated antifungal activity and induced defense response against leaf spot fungi in lettuce (Lactuca sativa L.). Physiological and Molecular Plant Pathology 106: 96–101. https://doi.org/10.1016/j.pmpp.2018.12.009

3. Cetz-Chi JI, Cristóbal AJ, Tún SJ, Peraza LF y Candelero de la CJ. 2018. Especies nativas de Trichoderma spp. y su actividad antagónica contra Meloidogyne incognita en Solanum Iycopersicum L. Investigación y Ciencia de la Universidad Autónoma de Aguascalientes 26(73): 5-12. https://doi.org/10.33064/iycuaa201873136

4. Candelero CJ, Cristóbal, AJ, Reyes, RA, Tun, SJ, Gamboa, AM y Ruiz SE. 2015. Trichoderma spp. promotoras del crecimiento en plántulas de Capsicum chinense Jacq. y antagónicas contra Meloidogyne incognita. Revista Internacional de Botánica Experimental FYTON 84: 113-119. https://cicy.repositorioinstitucional.mx/jspui/bitstream/1003/519/1/2015_AI_id37069_Marcela_Gamboa.pdf

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