{"id":35606,"date":"2013-08-21T15:59:18","date_gmt":"2013-08-21T19:59:18","guid":{"rendered":"http:\/\/www.farmchemicalsinternational.com\/2013\/08\/21\/mechanical-weeding-the-answer-to-resistance-issues\/"},"modified":"2015-12-08T15:45:59","modified_gmt":"2015-12-08T20:45:59","slug":"mechanical-weeding-the-answer-to-resistance-issues","status":"publish","type":"post","link":"https:\/\/www.agribusinessglobal.com\/es\/agrochemicals\/herbicides\/mechanical-weeding-the-answer-to-resistance-issues\/","title":{"rendered":"\u00bfDeshierbe mec\u00e1nico la respuesta a los problemas de resistencia?"},"content":{"rendered":"

Un estudio a largo plazo en Australia est\u00e1 probando m\u00e9todos mec\u00e1nicos de control de malezas en combinaci\u00f3n con el uso de herbicidas para atacar las semillas de malezas durante la cosecha, reduciendo la cantidad de malezas que pueden crecer en futuros ciclos de cultivo.<\/p>\n

Una ventaja que ofrece esta combinaci\u00f3n es que eliminar la mayor parte de las semillas de malezas reducir\u00e1 su capacidad para desarrollar resistencia a los herbicidas. La resistencia a los herbicidas entre las especies de malezas se ha generalizado y est\u00e1 afectando negativamente a la agricultura, particularmente en Australia. <\/p>\n

El raigr\u00e1s y el r\u00e1bano silvestre que han desarrollado resistencia a m\u00faltiples herbicidas ahora dominan los campos en la producci\u00f3n agr\u00edcola australiana. La principal pr\u00e1ctica actual de control de malezas se basa principalmente en herbicidas para manejar las malezas, pero no logra controlar las malezas maduras que se han convertido en semillas.<\/p>\n

Seg\u00fan la revista Tecnolog\u00eda de malezas<\/em>, el estudio ha establecido cuatro m\u00e9todos para capturar y destruir semillas de malezas en la cosecha:<\/p>\n

1) Los carros de paja, colocados detr\u00e1s de una cosechadora de granos, recogen las semillas de malezas y otros materiales vegetales desechados. Estos materiales luego se queman o se utilizan como alimento para el ganado.<\/p>\n

2) Una rampa dispersa la semilla de la cosechadora en hileras estrechas, que posteriormente se queman.<\/p>\n

3) Una empacadora acoplada a la cosechadora crea fardos de paja y residuos de paja para la alimentaci\u00f3n del ganado.<\/p>\n

4) Un dispositivo mec\u00e1nico (Harrington Seed Destructor) utiliza un molino de jaulas para procesar la paja de la cosecha. Seg\u00fan el informe, el dispositivo podr\u00eda destruir 95% de la semilla de maleza contenida en la paja.<\/p>\n

Los efectos de este sistema se observaron en 25 grandes campos de cultivos comerciales en el oeste de Australia durante 10 temporadas de cultivo consecutivas. Los campos que alcanzaron el objetivo de baja densidad de malezas fueron los que emplearon el sistema de recolecci\u00f3n de semillas de malezas junto con herbicidas de principios de temporada. Los autores recomiendan un enfoque integrado, en contraposici\u00f3n a una t\u00e9cnica independiente.<\/p>","protected":false},"excerpt":{"rendered":"

Un estudio a largo plazo en Australia est\u00e1 probando m\u00e9todos mec\u00e1nicos de control de malezas en combinaci\u00f3n con el uso de herbicidas para atacar las semillas de malezas durante ...<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19],"tags":[109],"class_list":["post-35606","post","type-post","status-publish","format-standard","hentry","category-herbicides","tag-herbicide-resistance"],"yoast_head":"\nMechanical Weeding the Answer to Resistance Issues? - AgriBusiness Global<\/title>\n<meta name=\"description\" content=\"A long-term study in Australia is testing mechanical weed-control methods in combination with herbicide use to target weed seeds during harvest, reducing\" \/>\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\/agrochemicals\/herbicides\/mechanical-weeding-the-answer-to-resistance-issues\/\" \/>\n<meta property=\"og:locale\" content=\"es_MX\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mechanical Weeding the Answer to Resistance Issues? 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