{"title":"草甘膦除草剂对农业生态系统蜘蛛捕食者Phylloneta impresa L.Koch若虫的致死浓度1881","authors":"Nela Gloríková, M. Řezáč","doi":"10.4067/s0718-58392022000300407","DOIUrl":null,"url":null,"abstract":"Broad-spectrum herbicides containing glyphosate are one of the most widely used pesticides in the world. They appear to be only slightly toxic to model animals in laboratory experiments. We investigated the lethal effect of the glyphosate-based herbicide to the first nymphal instar of the comb-footed spider Phylloneta impressa L. Koch 1881, which is a common spider predator of agroecosystem pests. Lethal concentrations LC 50 and LC 90 were calculated 24 h after dorsal application of the recommended herbicide dosage in Potter laboratory spray tower. The concentration recommended by manufacturer killed almost 25% of tested spiders. The concentration that would kill 90% of spiders was calculated to be 2.34 times higher than the highest recommended concentration.","PeriodicalId":9851,"journal":{"name":"Chilean Journal of Agricultural Research","volume":null,"pages":null},"PeriodicalIF":1.7000,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Lethal concentrations of glyphosate-based herbicide on nymphs of agroecosystem spider predator Phylloneta impressa L. Koch 1881\",\"authors\":\"Nela Gloríková, M. Řezáč\",\"doi\":\"10.4067/s0718-58392022000300407\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Broad-spectrum herbicides containing glyphosate are one of the most widely used pesticides in the world. They appear to be only slightly toxic to model animals in laboratory experiments. We investigated the lethal effect of the glyphosate-based herbicide to the first nymphal instar of the comb-footed spider Phylloneta impressa L. Koch 1881, which is a common spider predator of agroecosystem pests. Lethal concentrations LC 50 and LC 90 were calculated 24 h after dorsal application of the recommended herbicide dosage in Potter laboratory spray tower. The concentration recommended by manufacturer killed almost 25% of tested spiders. The concentration that would kill 90% of spiders was calculated to be 2.34 times higher than the highest recommended concentration.\",\"PeriodicalId\":9851,\"journal\":{\"name\":\"Chilean Journal of Agricultural Research\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":1.7000,\"publicationDate\":\"2022-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Chilean Journal of Agricultural Research\",\"FirstCategoryId\":\"97\",\"ListUrlMain\":\"https://doi.org/10.4067/s0718-58392022000300407\",\"RegionNum\":4,\"RegionCategory\":\"农林科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"Agricultural and Biological Sciences\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Chilean Journal of Agricultural Research","FirstCategoryId":"97","ListUrlMain":"https://doi.org/10.4067/s0718-58392022000300407","RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"Agricultural and Biological Sciences","Score":null,"Total":0}
Lethal concentrations of glyphosate-based herbicide on nymphs of agroecosystem spider predator Phylloneta impressa L. Koch 1881
Broad-spectrum herbicides containing glyphosate are one of the most widely used pesticides in the world. They appear to be only slightly toxic to model animals in laboratory experiments. We investigated the lethal effect of the glyphosate-based herbicide to the first nymphal instar of the comb-footed spider Phylloneta impressa L. Koch 1881, which is a common spider predator of agroecosystem pests. Lethal concentrations LC 50 and LC 90 were calculated 24 h after dorsal application of the recommended herbicide dosage in Potter laboratory spray tower. The concentration recommended by manufacturer killed almost 25% of tested spiders. The concentration that would kill 90% of spiders was calculated to be 2.34 times higher than the highest recommended concentration.
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ChileanJAR publishes original Research Articles, Scientific Notes and Reviews of agriculture, multidisciplinary and agronomy: plant production, plant protection, genetic resources and biotechnology, water management, soil sciences, environment, agricultural economics, and animal production (focused in ruminant feeding). The editorial process is a double-blind peer reviewing, Editorial Office checks format, composition, and completeness, which is a requirement to continue the editorial process. Editorial Committee and Reviewers evaluate relevance and scientific merit of manuscript.
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