Abstract

ENRIQUEZ, Alberto Roque; BELTRAN BEACHE, Mariana; OCHOA FUENTES, Yisa María  and  DELGADO ORTIZ, Juan Carlos. Population parameters of Bactericera cockerelli in tomato plants treated with menadione. Rev. Mex. Cienc. Agríc [online]. 2024, vol.15, n.4, e3349.  Epub Oct 14, 2024. ISSN 2007-0934.  https://doi.org/10.29312/remexca.v15i4.3349.

Bactericera cockerelli causes damage to nightshade crops in Mexico, causing millions of pesos in losses to producers; for its control, chemical insecticides have been used, which over time has generated resistance in the insect, causing its control to be more difficult year after year. New alternatives are sought for the control of this pest, among which the use of resistance inducers that are effective and environmentally friendly stands out; menadione sodium bisulfite (MSB) is an effective alternative with low environmental impact that has proven to be an activator of plant defenses and has insecticidal effects. In the present work, tests were carried out to determine the effects of MSB on the survival and development of the insect. Cohorts with B. cockerelli eggs were established, using three tomato plants of the Río Grande variety in each of the entomological cages, to test the effect of menadione on the development and survival of the insect B. cockerelli. According to the data obtained, no significant differences were found in the days of development of the immature stages of the insect, while in the survival data the MSB treatments had the highest mortalities, of 42 to 80%, demonstrating that MSB causes the mortality of B. cockerelli nymphs.

Keywords : development; survival; tomato psyllid.

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