亚致死性溴氰菊酯暴露对蜚蠊发育和驱避行为的跨代影响

IF 2.7 2区 农林科学 Q1 ENTOMOLOGY
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引用次数: 0

摘要

谷斑皮蠹(Callosobruchus chinensis)属于蚕蛾科,是豆类的主要害虫。它导致豆类减重 60%,使其不适合种植或人类食用。通常使用杀虫剂来控制金龟子,但这些杀虫剂对环境和非目标生物有负面影响。此外,反复接触杀虫剂会导致 chinensis 产生抗药性。研究最初通过 probit 分析得出溴氰菊酯的致死浓度(LC50)。随后的研究旨在考察亚致死浓度的溴氰菊酯对六代连续接触的仓鼠的各种发育特征和驱避行为的影响。为此,与对照组相比,选择了两种浓度,即亚致死低浓度(1/20)和亚致死高浓度(1/5)。两种浓度都会明显降低第一代的卵数、总孵化率、总发育时间、总出羽率和成虫寿命等生命表参数,但在随后的几代(后代)中,所有参数都呈上升趋势。此外,驱避力在第一代最大,但随着接触时间和连续世代的增加而降低,这表明驱避力与时间和世代有关。研究结果表明,虽然在一代中主要存在不利影响,但世代接触亚致死水平的溴氰菊酯会对后代产生有利影响,增强其抵御杀虫剂的能力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Transgenerational effects of sublethal deltamethrin exposure on development and repellency behaviour in Callosobruchus chinensis

Transgenerational effects of sublethal deltamethrin exposure on development and repellency behaviour in Callosobruchus chinensis

Callosobruchus chinensis, belongs to the Chrysomelidae family, is a major pest of pulse grains. It causes 60% weight loss of the pulses, making them inappropriate for planting or human consumption. C. chinensis is commonly controlled with insecticides; however, these insecticides have negative effects on the environment and non-target organisms. Moreover, repeated exposure to the insecticide causes the resistance in the C. chinensis. Initially the lethal concentration of deltamethrin (LC50) was obtained by the probit analysis. Later the study aimed to examine the impact of a sublethal concentration of deltamethrin on various developmental characteristics and repellency behaviour throughout six successive generations of the C. chinensis. For that, two concentration were selected viz sublethal low concentration (1/20th) and sublethal high concentration (1/5th) of the LC50 compared to control. Both concentrations significantly reduce the life table parameters like egg count, total hatching, total development duration, total emergence and adult longevity in the first generation but an increasing trend in all the parameters was observed in subsequent generations (progeny). Additionally, the repellency was maximum in 1st generation but it decreases with the exposure time and successive generations which shows that it was time and generation dependent. The findings indicate that although there are predominantly adverse effects within the generation, exposure to deltamethrin at sublethal levels over the generations can lead to beneficial effects in the offspring, enhancing their ability to withstand insecticides.

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来源期刊
CiteScore
5.70
自引率
18.50%
发文量
112
审稿时长
45 days
期刊介绍: The Journal of Stored Products Research provides an international medium for the publication of both reviews and original results from laboratory and field studies on the preservation and safety of stored products, notably food stocks, covering storage-related problems from the producer through the supply chain to the consumer. Stored products are characterised by having relatively low moisture content and include raw and semi-processed foods, animal feedstuffs, and a range of other durable items, including materials such as clothing or museum artefacts.
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