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Acute toxicity of pyriproxyfen and buprofezin insecticides on mortality, natality and longevity of cotton mealybug, Phenacoccus solenopsis (Hemiptera: pseudococcidae)
Author(s)
Tooba Ather University of Agriculture,Faisalabad,Pakistan
Muhammad Rafiq Shahid Cotton Research Institute,Multan,Pakistan
Muhammad Ahsin Ayub Rice Research Station Bahawalnagar,Punjab;,Pakistan
Javed Iqbal Cotton Research Institute,Multan,Pakistan
Muhammad Asim Bhutta Cotton Research Institute,Multan,Pakistan
Muhammad Akram Cotton Research Institute,Multan,Pakistan
Naveeda Anjum Barani Agricultural Research Institute Chakwal,Punjab,Pakistan
Muhammad Rizwan Cotton Research Station, Faisalabad, Pakistan
Hafeezur Rehman Cotton Research Station, Sahiwal Punjab, Pakistan
Umar Farooq Cotton Research Station, Sahiwal Punjab, Pakistan
Abstract
Cotton mealybug (CMB), Pheanacoccus solenopsis is highly deleterious insect pests of agricultural crops. It is polyphagous by nature and can feed on diversity of host plants. Diferent concentrations of Pyriproxyfen and Buprofezin are Insect Growth Regulator (IGR) were bio-assayed against 3rd instar of CMBat Integrated Pest Management Laboratory, Department of Entomology, University of Agriculture, Faisalabad, during 2016. The results revealed that mortality of 3 rd instar of P. solenopsis increased with increase in concentration of Pyriproxyfen and Buprofezin at three days of post application interval (PAI). Pyriproxyfen 0.5% and Buprofezin at 2% concentration induced mortality of P. solenopsis up to (82.52%) and (87.60%) respectively at PAI of 3 days after application. At 0.25%concentration of Pyriproxyfen and 1% of Buprofezin mortality of CMB was observed up to 59.72% and 63.04%respectivelyon 3rdday after application. Similarly Pyriproxyfen at 0.125% concentration and Buprofezin0.5% resulted in mortality of 43.93% and 49.01% respectively.Concentrations 0.0625% and 0.25% of Pyriproxyfen andBuprofezincaused 24.63% and 31.46% mortality respectively at PAI of 3 days.Pyriproxyfen andBuprofezinat 0.03125%, 0.0125%concentrations caused 7.08% and 12.7% mortality respectively of P. solenopsis at PAI of 3 days. It is concluded that Buprofezin remained more toxic at all concentrations as compared with Pyriproxyfen. This information is very useful when formulating management strategy of CMB in future.
Publication Details
Page(s) 942-951
DOI 10.17582/journal.sja/2022/38.3.942.951
Published Journal: Sarhad Journal of Agriculture, Volume: 38, Issue: 3, Year: 2022
Keywords
pesticide Biological parameter Bioassay Sublethal effect P solenopsis Insect growth regulator
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