几种化学杀虫剂及植物提取物与苏云金芽孢杆菌联合防治糙皮芽孢杆菌的疗效观察

F. Khorrami, A. Soleymanzade
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引用次数: 1

摘要

紫薯(Zeller,1873)是世界上最具破坏性的马铃薯害虫之一。由于化学农药在马铃薯块茎蛾(PTM)的管理中起着关键作用,本研究旨在评估Proteus®、Takumi®、Avaunt®、Dorsban®、Decis®、Consult®和Vertimec®对小蠊幼虫的渗透和一日龄卵的功效。但化学杀虫剂的副作用促使研究人员寻找安全的工具,如药用植物和生物杀虫剂,如苏云金芽孢杆菌1715,用于害虫管理。因此,我们还在实验室条件下检测了香喷喷、ziziphora和孜然甲醇提取物对害虫的毒性。我们还调查了最有效的杀虫剂和甲醇提取物与Bt对PTM的协同/拮抗作用。我们的研究结果表明,Vertimec®和salvy都协同增效了Bt对小蠊新生幼虫渗透的性能。杀虫剂和甲醇提取物的Probit分析表明,Vertimec®和Takumi®对PTM的新生儿幼虫渗透具有高毒性,其LC50值相当于7.09 ppm和0.008 g L−1。Savory提取物对害虫的幼虫穿透率和孵化率最为有效(LC50分别为440.36和635.93 ppm)。产卵偏好表明,Vertimec®和Decis®对小蠊具有抑制产卵作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Efficacy of some chemical insecticides and plant extracts combined with Bacillus thuringiensis against Phthorimaea operculella
Phthorimaea operculella (Zeller, 1873) is one of the most damaging pests of potatoes in the world. Since the chemical pesticides play a key role in managing of potato tuber moth (PTM), the present study was conducted to assess the efficacy of Proteus®, Takumi®, Avaunt®, Dorsban®, Decis®, Consult® and Vertimec® against neonate larval penetration and one-day-old eggs of P. operculella. But adverse effects of chemical insecticides, actuated researchers to seek secure tools such as medicinal plants and biopesticides like Bacillus thuringiensis Berliner, 1715 for pest managements. Hence, we also examined toxicity of savory, ziziphora and cumin methanolic extracts against the pest under laboratory conditions. We also surveyed the synergistic/antagonistic interactions between the most effective insecticide and methanolic extract with Bt against PTM. Our results showed that both Vertimec® and savory synergized the performance of Bt against neonate larval penetration of P. operculella. Probit analysis of insecticides and methanolic extracts demonstrated that Vertimec® and Takumi® had high toxicities to the neonate larval penetration of PTM which exhibited LC50 values equivalent to 7.09 ppm and 0.008 g L−1, respectively. Savory was the most effective extract against larval penetration and hatching rate of the pest (LC50 = 440.36 and 635.93 ppm, respectively). Oviposition preference demonstrated that Vertimec® and Decis® exhibited inhibitory ovipositional effects against P. operculella.
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来源期刊
Acta Phytopathologica Et Entomologica Hungarica
Acta Phytopathologica Et Entomologica Hungarica Agricultural and Biological Sciences-Plant Science
CiteScore
1.10
自引率
0.00%
发文量
7
期刊介绍: The journal publishes papers on the infectious diseases of plants, damages caused by insects and deals with the basic aspects of chemical and biological protection. Within its field of interest additional topics such as resistance against plant diseases, and physiological, biochemical and molecular questions of plant resistance and susceptibility are also discussed. Publishes book reviews and advertisements.
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