Protecci\u00f3n de cultivos de BASF<\/a>, mostr\u00f3 que un porcentaje similar de agricultores est\u00e1n agregando un herbicida preemergente con control residual para combatir malezas rebeldes como ambros\u00eda, cola de yegua, cordero y c\u00e1\u00f1amo.<\/p>\n"Los cuartos de cordero est\u00e1n llegando a trav\u00e9s de tasas m\u00e1s altas de glifosato, lo que deja la presi\u00f3n de las malezas y la competencia en los campos m\u00e1s adelante en la temporada", dice un productor en la encuesta nacional.<\/p>\n
Si bien solo el 23 por ciento de los encuestados cree que la resistencia al glifosato afectar\u00e1 su rendimiento en esta temporada de cultivo, la encuesta confirma que muchos agricultores creen que deben tomar medidas ahora para superar la amenaza de las malezas resistentes al glifosato que roban el rendimiento en el futuro.<\/p>\n
Un estudio de la Universidad de Purdue realizado en 2005-2006 encontr\u00f3 que entre el 40 y el 47 por ciento de los productores indicaron que mezclar glifosato en tanque con herbicidas residuales o incluir herbicidas alternativos con diferentes modos de acci\u00f3n ser\u00edan pr\u00e1cticas de manejo efectivas para minimizar la resistencia de las malezas. Cinco a\u00f1os despu\u00e9s, la encuesta de BASF confirma que la mayor\u00eda de los agricultores est\u00e1n poniendo esas ideas en pr\u00e1ctica.<\/p>\n
\u201cLos productores est\u00e1n buscando una nueva qu\u00edmica de herbicidas para llenar el vac\u00edo donde el glifosato se est\u00e1 quedando corto\u201d, dice el Dr. Dan Westberg, gerente de mercado t\u00e9cnico de BASF.<\/p>\n
BASF ofrece soluciones de resistencia con nuevas qu\u00edmicas como la tecnolog\u00eda de herbicidas Kixor, dice Westberg.<\/p>\n
A pesar del amplio reconocimiento entre los expertos agr\u00edcolas sobre la resistencia a los herbicidas, el 40 por ciento de los agricultores que respondieron a la encuesta planean aumentar la tasa de uso de glifosato o el n\u00famero de aplicaciones post-emergentes del a\u00f1o pasado, creando condiciones que est\u00e1n maduras para el desarrollo de resistencia.<\/p>\n
"Depender demasiado de un modo de acci\u00f3n, como el glifosato, crear\u00e1 poblaciones de malezas resistentes", dice Westberg. \u201cSi los productores siguen aplicando glifosato una y otra vez a tasas cada vez m\u00e1s altas, eventualmente chocar\u00e1n contra una pared. Los productores pueden combatir la resistencia empleando una diversidad de herramientas en su sistema de manejo de malezas \u201d.<\/p>\n
(Fuente: Protecci\u00f3n de cultivos de BASF<\/a><\/em>)<\/p>","protected":false},"excerpt":{"rendered":"Casi el 60 por ciento de los agricultores que respondieron a una encuesta nacional reciente dijeron que est\u00e1n cambiando sus planes de manejo de malezas ...<\/p>","protected":false},"author":110,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19],"tags":[157,109],"class_list":["post-6764","post","type-post","status-publish","format-standard","hentry","category-herbicides","tag-glyphosate-resistance","tag-herbicide-resistance"],"yoast_head":"\n
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