氟甲氧芬和噻虫氯芬对柑桔红螨生物学指标的亚致死效应

IF 0.7 Q4 ENTOMOLOGY
M. M. Ahmed, Mohammed Ali Abdelwines
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引用次数: 2

摘要

柑桔红螨(Panonychus citri McGregor)是世界上主要的柑桔害虫,其防治主要依靠杀螨剂。测定了氟甲氧芬和螺氯芬对柑桔红螨的致死值和亚致死值。氟甲醚和螺双氯芬的LC20和LC50分别为2.79和10.23 ppm和2.30和7.28 ppm。研究了氟甲氧芬和螺双氯芬LC20浓度对柑桔雌虫生命表参数的影响。这两种杀螨剂对柑橘粉虱的发育时间、存活率和繁殖力等生物学指标均有显著影响。此外,雌性暴露于LC20显著降低了净繁殖率(R0)、有限增长率(λ)和内在增长率(r)。氟甲氧芬和螺双氯芬处理的雌性的内在增长率分别为0.156和0.153天- 1,未处理的雌性为0.183天- 1。亚致死浓度影响柑桔红螨的生命表参数,从而影响其后代种群的生长。这些结果为柑橘粉虱对氟虫芬和噻虫芬杀虫剂的反应提供了基线,将有助于柑橘粉虱的控制管理。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Sublethal effects of cyflumetofen and spirodiclofen on biological parameters of citrus red mite, Panonychus citri McGregor (Acari: Tetranychidae)
The citrus red mite, Panonychus citri McGregor (Acari: Tetranychidae) whose control is largely based on the use of acaricides, is a key citrus pest in the world. The lethal and sublethal values of cyflumetofen and spirodiclofen were estimated on citrus red mite. LC20 and LC50 values of cyflumetofen and spirodiclofen were 2.79 and 10.23 ppm, and 2.30 and 7.28 ppm, respectively. LC20 concentration effects of cyflumetofen and spirodiclofen were studied on life table parameters of P. citri females. These two acaricides had significant effects on P. citri biological parameters including developmental time, survival rate, and fecundity. Also, the exposure of females to LC20 considerably reduced net reproductive rate (R0), finite rate of increase (λ) and intrinsic rate of increase (r). The intrinsic rate of increase in females treated with cyflumetofen and spirodiclofen was 0.156 and 0.153 day−1, respectively, and it was 0.183 day−1 for untreated females. The sublethal concentrations affected the citrus red mite life table parameters and consequently may influence the population growth of its future generations. These results provide a baseline for the response of P. citri to cyflumetofen and spirodiclofen pesticides that will aid mite control management in citrus.
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来源期刊
Persian Journal of Acarology
Persian Journal of Acarology Agricultural and Biological Sciences-Insect Science
CiteScore
1.60
自引率
30.80%
发文量
0
审稿时长
20 weeks
期刊介绍: Persian Journal of Acarology (PJA) is a peer-reviewed international journal of the Acarological Society of Iran for publication of high quality papers on any aspect of Acarology including mite and tick behavior, biochemistry, biology, control, ecology, evolution, morphology, physiology, systematics and taxonomy. All manuscripts will be subjected to peer review before acceptance.
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