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Abd El-Mageed, A., Youssef, N., Mostafa, M. (2018). Efficacy of some Different Insecticides against Cotton Mealybug, Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) and its Associated Predators. Journal of Plant Protection and Pathology, 9(6), 351-355. doi: 10.21608/jppp.2018.41677
A. E. M. Abd El-Mageed; Naglaa M. Youssef; M. E. Mostafa. "Efficacy of some Different Insecticides against Cotton Mealybug, Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) and its Associated Predators". Journal of Plant Protection and Pathology, 9, 6, 2018, 351-355. doi: 10.21608/jppp.2018.41677
Abd El-Mageed, A., Youssef, N., Mostafa, M. (2018). 'Efficacy of some Different Insecticides against Cotton Mealybug, Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) and its Associated Predators', Journal of Plant Protection and Pathology, 9(6), pp. 351-355. doi: 10.21608/jppp.2018.41677
Abd El-Mageed, A., Youssef, N., Mostafa, M. Efficacy of some Different Insecticides against Cotton Mealybug, Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) and its Associated Predators. Journal of Plant Protection and Pathology, 2018; 9(6): 351-355. doi: 10.21608/jppp.2018.41677

Efficacy of some Different Insecticides against Cotton Mealybug, Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) and its Associated Predators

Article 6, Volume 9, Issue 6, June 2018, Page 351-355  XML PDF (225.7 K)
Document Type: Original Article
DOI: 10.21608/jppp.2018.41677
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Authors
A. E. M. Abd El-Mageed; Naglaa M. Youssef; M. E. Mostafa
Plant Protection Research Institute, ARC, Dokki, Giza, Egypt
Abstract
The cotton mealybug, Phenacoccus solenopsis Tinsley is an invasive polyphagous pest species causing severe economic damage to a wide range agricultural crops. Five different toxicants of different groups were evaluated for their effectiveness in reducing mealybug incidence on cotton under both laboratory and field conditions as well as their effectiveness against its associated predators (Chrysoperla carnea (Steph.), Hyperaspis vinciguerrae Capra) under field conditions. Chlorpyrifos and Imidacloprid were the most toxic insecticides after 24h and 72h of exposure compared with Pyriproxyfen, Buprofezin and Emamectin benzoate against third instar nymphs of P. solenopsis under laboratory conditions. Based on field experiments, Chlorpyrifos significantly superior in reducing the cotton mealybug population followed by Imidacloprid, Pyriproxyfen, Emamectin benzoate and finally Buprofezin with average reduction between 96.24 to 43.99%. IGRs toxicants (Buprofezin and Pyriproxyfen) found to safer to the predacious insects than other toxicant groups.
Keywords
Cotton mealybug; Phenacoccus solenopsis; Insecticides; Predators; Chrysoperla carnea; Hyperaspis vinciguerrae
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