Economic damage levels and treatment thresholds for leafminer insects in Solanum tuberosum crops

Alves Flavia Maria; Rocha Gonring Alfredo Henrique; Zanuncio Jose Cola; de Sena Fernandes Maria Elisa; Plata-Rueda Angelica; Fernandes Flavio Lemes

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Economic damage levels and treatment thresholds for leafminer insects in Solanum tuberosum crops

机译：Solanum Tuberosum作物中叶菊昆虫的经济损伤水平与治疗阈值

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Integrated Pest Management (IPM) can only result in reduced insecticide use when treatments are applied when infestations reach economic thresholds (ET) determined from economic injury levels (EIL). The objective of this study was to determine the EIL and ET for Phthorimaea operculella (Zeller) (Lepidoptera: Gelechiidae) and Liriomyza huidobrensis (Burgess) (Diptera: Agromyzidae) in 8 and 11 fields of the potato cultivar 'Agata', respectively. The ElLs were calculated based on control costs, production values, control efficacy and injuries of each insect and the ETs were calculated by subtracting 20% from the EIL value, given that control measures must be undertaken before the pest populations reach the former level. The EIL for L huidobrensis at 50 and 70 days after planting (DAP) ranged from 0.07 to 0.24 and from 0.09 to 032 mines per plant, respectively, and those of P. operculella at 50 DAP ranged from 0.07 to 0.24 mines per plant. The ET for L. huidobrensis at 50 and 70 DAP were 0.05-0.19 mines per plant, respectively, and those of P. operculella, 0.05 to 0.19 mines per plant at 50 DAP. These results suggest that management of these pests in potato crops should use the ET of 0.07 and 0.05 mines per plant for control decisions regarding L. huidobrensis and P. operculella, respectively. (C) 2017 Elsevier Ltd. All rights reserved.

机译：当侵扰达到经济损伤水平（EIL）确定的经济阈值时，综合害虫管理（IPM）只能导致治疗时使用降低的杀虫剂使用。本研究的目的是测定植物素和Zeller）（Lepidoptera：Gelechiidae）和Liriomyza Huidobrensis（Burgera：Agromyzidae）的EIL和ET分别在马铃薯栽培品种“agata的8个领域中，分别在8个和11个领域。根据控制成本，通过从EIL值减去20％来计算每种昆虫的控制成本，生产价值，控制效能和损伤，鉴于必须在害虫人群达到前一级之前进行控制措施，计算每种昆虫的生产价值，控制效能和损伤。在种植（DAP）后50和70天的L Huidobrensis的EIL分别为0.07至0.24分，分别为0.09至032次，50次DAP的P. Ormsculella的每株植物的0.07至0.24米。 50和70 dap的L. huidobrensis分别为每株植物的0.05-0.19型矿，P. Ormonculla的矿泉，每株植物为50次，50分钟为0.05至0.19米。这些结果表明，马铃薯作物中这些害虫的管理应使用每株植物的ET为0.07和0.05米，以分别用于对L. Huidobrensis和P. Ormsculella的控制决定。（c）2017 Elsevier Ltd.保留所有权利。

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来源
《Biosystems Engineering》 |2017年第2017期|共6页
作者
Alves Flavia Maria; Rocha Gonring Alfredo Henrique; Zanuncio Jose Cola; de Sena Fernandes Maria Elisa; Plata-Rueda Angelica; Fernandes Flavio Lemes;
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作者单位

Univ Fed Vicosa Dept Fitotecn Campus Vicosa BR-36570900 Vicosa MG Brazil;

DuPont Brasil SA Rodovia PLN 145 943 Bairro Boa Esperanca BR-13148080 Paulinia Brazil;

Univ Fed Vicosa BIOAGRO Dept Entomol Campus Vicosa BR-36570900 Vicosa MG Brazil;

Univ Fed Vicosa Inst Ciencias Agr Campus Rio Paranaiba Rodovia BR 354 Km 310 BR-38810000 Rio Paranaiba MG Brazil;

Univ Fed Vicosa Inst Ciencias Agr Campus Rio Paranaiba Rodovia BR 354 Km 310 BR-38810000 Rio Paranaiba MG Brazil;

Univ Fed Vicosa Inst Ciencias Agr Campus Rio Paranaiba Rodovia BR 354 Km 310 BR-38810000 Rio Paranaiba MG Brazil;

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原文格式 PDF
正文语种 eng
中图分类农业生物学;
关键词
Conventional pest control; Integrated pest management; Leaf-mining fly (Diptera); Potato; Potato tuber moth;

机译：常规害虫控制;综合虫害管理;叶矿苍蝇（Diptera）;马铃薯;土豆块茎蛾;

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3. Study on infestation, damage and eco-economic threshold of Leptocldoa chinensis in di-rect-sowing rice fields [J] . ZHANGSonghan, GUANLiqin, WANGChuangbing, 中国水稻研究通报：英文版 . 1997,第003期
4. Economic damage levels and treatment thresholds for leafminer insects in Solanum tuberosum crops [J] . Alves Flavia Maria, Rocha Gonring Alfredo Henrique, Zanuncio Jose Cola, Biosystems Engineering . 2017,第期

机译：Solanum Tuberosum作物中叶菊昆虫的经济损伤水平与治疗阈值
5. Pest intensity-crop loss relationships for the leafminer fly Liriomyza huidobrensis (Blanchard) in different potato (Solanum tuberosum L.) varieties. [J] . Mujica N., Kroschel J. Crop Protection . 2013,第Null期

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Economic damage levels and treatment thresholds for leafminer insects in Solanum tuberosum crops

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