Resumen

HERNANDEZ-SANTIAGO, Ramiro; VARGAS-HERNANDEZ, Mateo  y  ZAMORA-MACORRA, Erika Janet. Evaluation of TMV resistance inducers in tomato. Rev. Mex. Cienc. Agríc [online]. 2020, vol.11, n.2, pp.377-390.  Epub 15-Mar-2021. ISSN 2007-0934.  https://doi.org/10.29312/remexca.v11i2.2072.

Applications of resistance inductors were made: Messenger gold®, Virus Stop®, Actigard®, Virablock®, Kendal®, potassium phosphite, Stymulus® Maxx, Bacillus subtilis and MC Cream® in 2018, individually and in combination in sequences, to evaluate its effect on viral concentration (optical density), growth, root length, severity, total dry weight, number and weight of fruits in the tomato crop (Solanum lycopersicum L.) infected with Tobacco mosaic virus (TMV). The sequence of the Messenger gold® + Messenger gold® + MC Cream® + MC Cream® inductors reduced the concentration of TMV at 38 days after inoculation, determined by DAS-ELISA. Virablock® spray obtained the highest average height. Plants treated with the sequence Virus Stop® + Virus Stop® + potassium phosphite + potassium phosphite obtained the lowest average severity. Plants sprinkled with Messenger gold® + Messenger gold® + MC Cream® + MC Cream® recorded the longest root length, highest total dry weight and the second highest number and average weight of fruits that showed no symptoms of TMV in fruits.

Palabras llave : Elisa; resistance inductors; solanaceae.

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