Toxicidad y Selectividad de Insecticidas Sobre Cochinilla Rosada del Hibisco¹ y sus Enemigos Naturales | Toxicity and Selectivity of Insecticides to Control the Pink Hibiscus Mealybug1 and its Natural Enemies
2021
Juárez-Maya, Miguel Ángel | Ortega-Arenas, Laura Delia | González-Hernández, Héctor | Lagunes-Tejeda, Angel | Solis-Aguilar, Juan Fernando | García-Méndez, Víctor Hugo
The objective of the study was to evaluate the toxicity and selectivity of 10 insecticides to control the pink hibiscus mealybug (PHM), Maconellicoccus hirsutus Green, and its natural enemies Anagyrus kamali Moursi and Cryptolaemus montrouzieri Mulsant, under laboratory conditions, and to verify effective products against PHM, in field populations. Toxicity, under laboratory conditions, of petroleum oil, imidacloprid, buprofezin, bifenthrin, soap, flonicamid, pyriproxyfen, spirotetramat, sulfoxaflor, and calcium polysulfide, was determined. For effective products against PHM, diagnostic doses were also established, the application of which in field populations, allowed us to verify their effectiveness. Six of the 10 products evaluated were toxic to PHM, the parasitoid, and the predator. For PHM, toxic insecticides were imidacloprid, sulfoxaflor, bifenthrin, spirotetramat, pyriproxyfen, and soap; while in C. montrouzieri, they were bifenthrin, imidacloprid, and sulfoxaflor, and for A. kamali, sulfoxaflor, bifenthrin, imidacloprid, and pyriproxyfen. Under laboratory conditions, spirotetramat and soap were effective against PHM but did not affect either natural enemy. PHM killed from application of diagnostic doses in field populations, compared to the check, demonstrated the effectiveness of bifenthrin, imidacloprid, sulfoxaflor, spirotetramat, pyriproxyfen, and soap (more than 80% killed).
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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