{"id":21869,"date":"2009-07-09T00:00:00","date_gmt":"2009-07-09T04:00:00","guid":{"rendered":"http:\/\/www.farmchemicalsinternational.com\/2009\/07\/09\/asian-parasites-could-help-us-pest-problem\/"},"modified":"2019-09-16T13:46:39","modified_gmt":"2019-09-16T17:46:39","slug":"asian-parasites-could-help-us-pest-problem","status":"publish","type":"post","link":"https:\/\/www.agribusinessglobal.com\/es\/industry-news\/asian-parasites-could-help-us-pest-problem\/","title":{"rendered":"Los par\u00e1sitos asi\u00e1ticos podr\u00edan ayudar al problema de plagas de EE. UU."},"content":{"rendered":"<p>Un depredador natural podr\u00eda proteger los cultivos de soja de los pulgones, esperan los productores de todo el Medio Oeste de Estados Unidos. <a href=\"http:\/\/www.google.com\/hostednews\/ap\/article\/ALeqM5jpSIgZPbQ6abxIoUD5XK2w77gIgwD99APRQ02\">Associated Press <\/a>informa que los investigadores est\u00e1n explorando diferentes m\u00e9todos para combatir las infestaciones de \u00e1fidos, que pueden destruir hasta 40% de la cosecha de un agricultor. La industria de la soja de EE. UU. Val\u00eda $27,3 mil millones de d\u00f3lares el a\u00f1o pasado. Los investigadores est\u00e1n mirando <em>Binodoxys communis<\/em>, un peque\u00f1o insecto par\u00e1sito que inserta un huevo en el pulg\u00f3n. El huevo se convierte en una larva que mata al pulg\u00f3n, se alimenta de \u00e9l y emerge como adulto de lo que se convierte en un caparaz\u00f3n de pulg\u00f3n momificado. Sin embargo, investigadores universitarios de todo el Medio Oeste se preguntan si el peque\u00f1o insecto asi\u00e1tico puede sobrevivir a los duros inviernos del medio oeste de Estados Unidos.<\/p>\n<p>David Ragsdale, profesor de entomolog\u00eda en la <a href=\"http:\/\/www.umn.edu\/\">Universidad de Minnesota <\/a>y gerente del proyecto, dice: &quot;Es una carrera armamentista, y la mejor manera de controlar esto es asegurarse de que haya suficientes enemigos naturales para frenar esta reproducci\u00f3n&quot;. El con sede en Iowa <a href=\"http:\/\/www.ncsrp.com\/\">Programa de investigaci\u00f3n de la soja del centro norte <\/a>ha comprometido alrededor de $3 millones desde 2001 para la investigaci\u00f3n de \u00e1fidos, incluido el desarrollo de una planta de soja naturalmente resistente a los insectos, dijo David Wright, director de investigaci\u00f3n del grupo.<\/p>\n<p>Sin embargo, los resultados hasta ahora no han sido alentadores, dijo Ragsdale. &quot;Puede que no sea la especie adecuada&quot;, dijo. &quot;Hay otras 11 a 15 especies que se encuentran en varias etapas de evaluaci\u00f3n en laboratorios de cuarentena aqu\u00ed y con el USDA en Newark, Delaware&quot;.<\/p>\n<p>Sin embargo, los fabricantes de plaguicidas no deben temer que los par\u00e1sitos reemplacen a los insecticidas; en el mejor de los casos, los depredadores formar\u00e1n parte de un programa de MIP que incluye tanto a los depredadores naturales como a los insecticidas est\u00e1ndar. Kelley Tilmon, investigadora y entom\u00f3loga de extensi\u00f3n en <a href=\"http:\/\/www3.sdstate.edu\/\">Universidad Estatal de Dakota del Sur<\/a>, dijo que no es realista esperar que los par\u00e1sitos acaben con los pulgones. Pero si se pueden usar en lugar de un tratamiento con insecticida en 5% de la superficie de soja del estado, se ahorrar\u00eda a los productores alrededor de $2.3 millones al a\u00f1o, dijo Tilmon.<\/p>\n<p>La investigaci\u00f3n est\u00e1 financiada en parte por agricultores como David Iverson, quien aporta 50 centavos por cada $100 en ventas de soja a un programa autorizado por el gobierno federal para la promoci\u00f3n e investigaci\u00f3n de la soja. \u201cLos \u00faltimos seis a\u00f1os, tuve que fumigar contra los pulgones y (la infestaci\u00f3n) definitivamente alcanz\u00f3 los umbrales econ\u00f3micos\u201d, dijo Iverson, quien cultiva alrededor de 800 acres de soja cerca de Astoria en el centro este de Dakota del Sur.<\/p>\n<p>Con un insecticida que cuesta $10 a $15 por acre, puede agregar $8,000 o m\u00e1s a sus costos. Pero la diferencia entre rociar y no rociar puede ser de 10 bushels o m\u00e1s por acre en la cosecha, dijo Iverson, presidente de la <a href=\"http:\/\/www.sdsoybean.org\/\">Consejo de Promoci\u00f3n e Investigaci\u00f3n de la Soja de Dakota del Sur<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Un depredador natural podr\u00eda proteger los cultivos de soja de los \u00e1fidos, esperan los productores de todo el medio oeste de Estados Unidos. Associated Press informa que los investigadores est\u00e1n...<\/p>","protected":false},"author":110,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[489],"tags":[],"class_list":["post-21869","post","type-post","status-publish","format-standard","hentry","category-industry-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Asian Parasites Could Help US Pest Problem - AgriBusiness Global<\/title>\n<meta name=\"description\" content=\"A natural predator could protect soybean crops from aphids, hope growers&nbsp;across the American Midwest. Associated Press reports that researchers are\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.agribusinessglobal.com\/es\/industry-news\/asian-parasites-could-help-us-pest-problem\/\" \/>\n<meta property=\"og:locale\" content=\"es_MX\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Asian Parasites Could Help US Pest Problem - AgriBusiness Global\" \/>\n<meta property=\"og:description\" content=\"A natural predator could protect soybean crops from aphids, hope growers&nbsp;across the American Midwest. 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