捕食性植物对荨麻叶螨二斑螨的防治

University Journal of Zoology, Rajshahi University Pub Date : 2009-01-28 DOI:10.3329/UJZRU.V27I0.1954

M. M. Parvin, M. M. Haque

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引用次数: 11

摘要

采用三种捕食者分别为sexmaculatus Pergande、Phytoseiulus persimilis Athias - Henriot和Stethorus punctillum Weise，对盆栽豆科植物上的荨麻叶螨进行了防治。在未处理的植物上，螨的数量呈指数增长，而在捕食者处理的植物上，螨的数量增长得到抑制，并保持在最小数量内。捕食者的提前释放比晚释放的植物更早地抑制螨的数量，使其保持在较低的水平。这三种捕食者均可作为双斑蜘蛛螨的生物防治剂。关键词:防治，荨麻疹叶螨，性角蓟马，persiulus persimilis, Stethorus punctillum，生物防治剂Â doi:10.3329/ujzru.v27i0.1954 Univ. j. zool。Rajshahi university . Vol. 27, 2008 pp. 51-54

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Control of two-spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae) by predators on potted plants

Three predators Scolothrips sexmaculatus Pergande, Phytoseiulus persimilis Athias - Henriot and Stethorus punctillum Weise were used to control two-spotted spider mite, Tetranychus urticae Koch on potted bean plants. Mite population increased exponentially on the untreated plants, but on the predator treated plants, increase of mite population was checked and remained within minimum number. Early release of predator checked the mite population earlier and kept it lower than on late released plants. All the three predators may be used as bio-control agents against two-spotted spider mite. Key words: Control, Tetranychus urticae, Scolothrips sexmaculatus, Phytoseiulus persimilis , Stethorus punctillum and bio-control agents. Â doi:10.3329/ujzru.v27i0.1954 Univ. j. zool. Rajshahi Univ. Vol. 27, 2008 pp. 51-54

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University Journal of Zoology, Rajshahi University

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