Combined Efficacy of Aliphatic Hydrocarbons with Neonicotenoids against Phenacoccus solenopsis (Hemiptera: Pseudococcidae) under Controlled Conditions

IF 1.7 4区 农林科学 Q2 AGRONOMY
M. Iqbal, Shahbaz Ahmad, M. Gogi
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Abstract

Phenacoccus solenopsis appeared as a major pest in recent years and caused huge losses to cotton. Control of cotton mealybug is difficult because of the waxy covering on the body which prevents penetration of insecticides in nymph and adult stages. Present study was carried out under laboratory conditions to evaluate the synergistic effects of minerals oil (Diver®) on the toxicity of diafenthiuron, nitenpyram and thiacloprid against different instars of cotton mealybug. Diafenthiuron, nitenpyram and thiacloprid alone demonstrated mortality in the range of 10.3-46.0%, 13.3-50% and 10.30-46.70% in 1st instar, 8.00-42%, 10.30-44% and 6.60-42.3% in 2nd instar while 7-38%, 7.30-38% and 3.3-32% in adult female of P. solenopsis, respectively. Admixing of 500 ml of Diver® with diafenthiuron administered 65.2-332.7% and 114.6-602.8%; 78.0-428.8% and 128.6-750.0%; and 94.6-457.1% and 147.3-852.9% increase in mortality of 1st instar, 2nd instar and adult female stages of P. solenopsis, respectively. Similarly, fraternization of 1000 ml of Diver® with diafenthiuron administered 42.0-202.6% and 100.0-490.2%; 60.6-261.4% and 127.3-600.2% and 79.8-336.6% and 154.4-854.9% increase in mortality of 1st instar, 2nd instar and adult female stages of P. solenopsis respectively. However, thiacloprid, when admixed with 500 ml and 1000 ml of Diver®, explained 16.7-114.3% and 114.3-633.3%; 24.9-103.6% and 132.3-900.9%; and 0.0-303.9% and 191.7-1990.9% increase in mortality of 1st instar, 2nd instar and adult female stages of P. solenopsis, respectively. In conclusion, Diver® can be exploited as synergist for resistance management of insecticides against P. solenopsis.
脂肪烃与新烟碱类化合物在控制条件下联合防治扶桑绵粉蚧的效果研究
扶桑绵粉蚧是近年来出现的主要害虫,给棉花造成了巨大的损失。控制棉粉虱是困难的,因为其身体上的蜡质覆盖物在若虫和成虫阶段阻止了杀虫剂的渗透。在实验室条件下,研究了矿物油(Diver®)对不同龄期棉粉蚧的拮抗增效作用。灭虫脲、吡虫啉和噻虫啉单用对扶桑拟虫1龄死亡率分别为10.3 ~ 46.0%、13.3 ~ 50%和10.30 ~ 46.70%,2龄死亡率分别为8.00 ~ 42%、10.30 ~ 44%和6.60 ~ 42.3%,雌成虫死亡率分别为7 ~ 38%、7.30 ~ 38%和3.3 ~ 32%。500 ml Diver®与diafethuron混合,剂量分别为65.2-332.7%和114.6-602.8%;78.0 ~ 428.8%和128.6 ~ 750.0%;扶桑拟虫1龄、2龄和雌成虫期的死亡率分别提高94.6 ~ 457.1%和147.3 ~ 852.9%。同样,1000ml Diver®与diafenthiuron混溶42.0-202.6%和100.0-490.2%;扶桑拟虫1龄、2龄和雌成虫期的死亡率分别提高60.6 ~ 261.4%、127.3 ~ 6000.2%和79.8 ~ 336.6%、154.4 ~ 854.9%。然而,当与500 ml和1000 ml Diver®混合时,噻虫啉解释16.7-114.3%和114.3-633.3%;24.9-103.6%和132.3-900.9%;对扶桑拟虫1龄、2龄和雌成虫期的死亡率分别提高0.0303.9%和191.7 ~ 1990.9%。综上所述,Diver®可作为杀虫剂对扶桑螺旋藻抗性管理的增效剂。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Plant protection science
Plant protection science Agronomy-PLANT SCIENCES
CiteScore
2.90
自引率
7.70%
发文量
30
审稿时长
12 weeks
期刊介绍: Original papers, short communications, critical reviews, personal news, and book reviews covering all areas of diseases and pests of plants, weeds and plant protection. Papers are published in English.
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