{"id":16369,"date":"2010-05-18T00:00:00","date_gmt":"2010-05-18T04:00:00","guid":{"rendered":"http:\/\/www.farmchemicalsinternational.com\/2010\/05\/18\/biocontrol-agent-to-use-aphid-chemicals\/"},"modified":"2014-11-21T15:53:30","modified_gmt":"2014-11-21T20:53:30","slug":"biocontrol-agent-to-use-aphid-chemicals","status":"publish","type":"post","link":"https:\/\/www.agribusinessglobal.com\/es\/agrochemicals\/insecticides\/biocontrol-agent-to-use-aphid-chemicals\/","title":{"rendered":"Agente de control biol\u00f3gico para el uso de productos qu\u00edmicos para \u00e1fidos"},"content":{"rendered":"

COLLEGE STATION, Texas, EE. UU. - Servicio de investigaci\u00f3n agr\u00edcola (ARS<\/a>) cient\u00edficos en el Centro de Investigaci\u00f3n Agr\u00edcola de las Llanuras del Sur <\/a>est\u00e1n examinando la bioqu\u00edmica de los pulgones con el objetivo de desarrollar un agente de control biol\u00f3gico de las plagas. Los pulgones han mostrado signos de desarrollar cierta resistencia a los insecticidas a los agroqu\u00edmicos com\u00fanmente utilizados para combatirlos, creando la necesidad de m\u00e9todos alternativos de protecci\u00f3n de cultivos.<\/p>\n

El proyecto trabaja con neurop\u00e9ptidos, se\u00f1ales qu\u00edmicas que controlan y regulan una amplia gama de funciones corporales, como la digesti\u00f3n, la respiraci\u00f3n, la ingesta de agua y las excreciones. Cuando el neurop\u00e9ptido es degradado por las enzimas del cuerpo, el efecto desencadenado por la se\u00f1al qu\u00edmica se apaga. Los imitadores de neurop\u00e9ptidos, o an\u00e1logos, que el equipo de investigaci\u00f3n est\u00e1 desarrollando tienen estructuras moleculares ligeramente alteradas que no se descomponen cuando son atacadas por enzimas. El objetivo es matar la plaga interrumpiendo sus funciones biol\u00f3gicas.<\/p>\n

En un estudio publicado recientemente en la revista P\u00e9ptidos<\/a><\/em>, los cient\u00edficos que trabajan en el proyecto descubrieron que una formulaci\u00f3n mataba de 90% a 100% de pulgones en su muestra de prueba en tres d\u00edas, a una velocidad y potencia comparables a los insecticidas ahora en el mercado. Si bien los an\u00e1logos de neurop\u00e9ptidos se est\u00e1n probando y evaluando actualmente, los investigadores dicen que las estructuras moleculares de las cininas de insectos (la clase de neurop\u00e9ptidos en estudio) son tan \u00fanicas que es poco probable que un agente de control biol\u00f3gico formulado a partir de ellos tenga alg\u00fan efecto en humanos, plantas. u otros tipos de organismos.
 <\/p>","protected":false},"excerpt":{"rendered":"

COLLEGE STATION, Texas, EE. UU. - Los cient\u00edficos del Servicio de Investigaci\u00f3n Agr\u00edcola (ARS) en el Centro de Investigaci\u00f3n Agr\u00edcola de las Llanuras del Sur est\u00e1n examinando ...<\/p>","protected":false},"author":110,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[20],"tags":[117],"class_list":["post-16369","post","type-post","status-publish","format-standard","hentry","category-insecticides","tag-biocontrols"],"yoast_head":"\nBiocontrol Agent To Use Aphid Chemicals - 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