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Chili Pepper Jojutla Morelos (<i>Capsicum annuum</i> L.), CJ-2018: A Variety Resistant to <i>Bactericera cockerelli</i>
oleh: Manuel Silva-Valenzuela, Reyna Isabel Rojas-Martínez, Victor M. Zúñiga-Mayo
Format: | Article |
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Diterbitkan: | MDPI AG 2022-08-01 |
Deskripsi
Chili pepper is a vegetable of worldwide economic and gastronomic importance. The psyllid, <i>Bactericera cockerelli</i>, is an economically important pest in this crop, causing considerable losses in its production. Currently, the application of insecticides is the main way to control <i>B. cockerelli</i>. However, the use of varieties resistant to this insect is a viable alternative for its control and management. In this work, the oviposition rate, development, and survival of <i>B. cockerelli</i> in two native varieties of chili were evaluated. Choice and non-choice trials showed that the <i>B. cockerelli</i> oviposition was reduced on CJ-2018 by 92.17 and 80.18%, respectively, compared to the control. In CM-334, the insect showed a behavior similar to the control in the non-choice test, while in the choice test it laid more eggs on CM-334 compared to the control. The development and survival assay showed that only 1.33% of the eggs managed to reach the adult stage on CJ-2018. In contrast, on CM-334 the survival of <i>B. cockerelli</i> was similar to the control. These results suggest that CJ-2018 presented a resistance based on antixenosis and antibiosis against <i>B. cockerelli</i>.