Hand Warmer-Induced Hypoxia Accelerates Pest Control in Hermetic Storage.

IF 2.7 2区 农林科学 Q1 ENTOMOLOGY
Insects Pub Date : 2024-10-20 DOI:10.3390/insects15100821
Wenbo Li, John Stephen Yaninek, Dieudonne Baributsa
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引用次数: 0

Abstract

Accelerating oxygen depletion during hermetic storage can minimize pest damage and preserve product quality. This study evaluated the effectiveness of hand warmers in accelerating hypoxia to control insect pests inside hermetic containers. We used one, two, or four hand warmers to deplete oxygen in a 4-gallon hermetic jar with 4 kg of cowpea and cowpea bruchids, alongside a non-hermetic control with cowpea bruchids and no hand warmers. Oxygen levels, insect mortality, egg counts, seed moisture content, and germination rates were monitored over 2, 5, or 8 days of storage. Only the four hand warmers treatment reduced oxygen levels below 1% within 12 h and maintained them for up to 168 h. The other treatments did not achieve this level. Insect mortality was higher with more hand warmers and extended storage duration, reaching 100% after 5 and 8 days with four and two hand warmers, respectively. Similarly, increased hand warmers and extended storage durations reduced egg counts and adult emergence. The treatments did not affect the moisture content or germination rates of the stored cowpea seeds. Hand warmers proved effective in accelerating hypoxia during hermetic storage, resulting in high insect mortality and reduced reproduction, without compromising grain quality.

暖手器引起的缺氧可加速密封存储中的害虫控制。
在密封贮藏过程中加速氧气耗尽可以最大限度地减少害虫的危害并保持产品质量。本研究评估了暖手器在加速缺氧以控制密封容器内害虫方面的效果。我们在一个装有 4 千克豇豆和豇豆青虫的 4 加仑密封罐中使用了一个、两个或四个暖手器来消耗氧气,同时还使用了一个装有豇豆青虫且没有暖手器的非密封对照。在 2 天、5 天或 8 天的储藏过程中,对氧气水平、昆虫死亡率、虫卵计数、种子含水量和发芽率进行了监测。只有四种暖手器处理能在 12 小时内将氧气含量降至 1%以下,并能维持 168 小时。使用更多暖手器和延长贮藏时间后,昆虫死亡率更高,使用四个暖手器和两个暖手器贮藏 5 天和 8 天后,昆虫死亡率分别达到 100%。同样,增加暖手器和延长储存时间也会减少虫卵数量和成虫的出现。这些处理对豇豆种子的含水量和发芽率没有影响。事实证明,手暖器能有效加速密封储藏期间的缺氧,导致昆虫高死亡率和繁殖率降低,同时不影响谷物质量。
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
Insects
Insects Agricultural and Biological Sciences-Insect Science
CiteScore
5.10
自引率
10.00%
发文量
1013
审稿时长
21.77 days
期刊介绍: Insects (ISSN 2075-4450) is an international, peer-reviewed open access journal of entomology published by MDPI online quarterly. It publishes reviews, research papers and communications related to the biology, physiology and the behavior of insects and arthropods. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files regarding the full details of the experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material.
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