{"title":"Effect of phosphine on the respiration of adult Sitophilus zeamais Motsch. (Coleoptera, Curculionidae)","authors":"H. Nakakita, T. Saito, K. Iyatomi","doi":"10.1016/0022-474X(74)90015-0","DOIUrl":null,"url":null,"abstract":"<div><p>The relationship between mortality and oxygen uptake in adult <em>Sitophilus zeamais</em> treated with phosphine (PH<sub>3</sub>) was investigated in order to clarify the mode of action of PH<sub>3</sub>. When PH<sub>3</sub> was applied at concentrations of 5–20000 ppm to <em>S. zeamais</em>, the mortality of the insect did not increase as the concentration increased. High concentrations of PH<sub>3</sub> paralysed the insect in a way similar to a narcotic effect and decreased the respiratory rate. The amount of oxygen uptake during fumigation affected mortality, although uptake of PH<sub>3</sub> by the insect was not directly related to mortality.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":"10 2","pages":"Pages 87-92"},"PeriodicalIF":2.7000,"publicationDate":"1974-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-474X(74)90015-0","citationCount":"40","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Stored Products Research","FirstCategoryId":"97","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0022474X74900150","RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENTOMOLOGY","Score":null,"Total":0}
引用次数: 40
Abstract
The relationship between mortality and oxygen uptake in adult Sitophilus zeamais treated with phosphine (PH3) was investigated in order to clarify the mode of action of PH3. When PH3 was applied at concentrations of 5–20000 ppm to S. zeamais, the mortality of the insect did not increase as the concentration increased. High concentrations of PH3 paralysed the insect in a way similar to a narcotic effect and decreased the respiratory rate. The amount of oxygen uptake during fumigation affected mortality, although uptake of PH3 by the insect was not directly related to mortality.
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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