{"id":9369,"date":"2010-06-15T00:00:00","date_gmt":"2010-06-15T04:00:00","guid":{"rendered":"http:\/\/www.farmchemicalsinternational.com\/2010\/06\/15\/sorghum-secretion-could-reduce-pesticide-use\/"},"modified":"2015-12-08T15:58:26","modified_gmt":"2015-12-08T20:58:26","slug":"sorghum-secretion-could-reduce-pesticide-use","status":"publish","type":"post","link":"https:\/\/www.agribusinessglobal.com\/pt\/agrochemicals\/sorghum-secretion-could-reduce-pesticide-use\/","title":{"rendered":"Secre\u00e7\u00e3o de sorgo pode reduzir uso de pesticidas"},"content":{"rendered":"

OXFORD, Mississippi, EUA \u2014 O sorgo secreta um composto chamado sorgoleona, que ajuda a combater ervas daninhas, de acordo com o Servi\u00e7o de Pesquisa Agr\u00edcola.ARS<\/a>) cientistas. Como a sorgoleona pode impedir que outras culturas cres\u00e7am em um campo previamente plantado com sorgo, os pesquisadores da ARS est\u00e3o usando gen\u00e9tica para reduzir a toxicidade do solo e melhorar a defesa natural da planta.<\/p>\n

Pesquisadores da Unidade de Utiliza\u00e7\u00e3o de Produtos Naturais da ARS<\/a> em Oxford, Mississippi, EUA, isolaram duas sequ\u00eancias de genes que produzem as enzimas que ajudam a fabricar a sorgoleona, que \u00e9 produzida nos pelos da raiz da planta. Quando as duas sequ\u00eancias de genes s\u00e3o silenciadas, os n\u00edveis de sorgoleona s\u00e3o reduzidos. Isso n\u00e3o s\u00f3 pode levar a linhagens de sorgo que n\u00e3o contaminam o solo para outras culturas, mas tamb\u00e9m pode produzir linhagens de sorgo com n\u00edveis mais altos de sorgoleona, o que ofereceria resist\u00eancia superior a ervas daninhas. Al\u00e9m disso, o conhecimento obtido com essa descoberta permite que os pesquisadores busquem sequ\u00eancias de genes semelhantes em outras culturas, o que pode aumentar suas capacidades naturais de combate a pragas. A equipe de pesquisa j\u00e1 identificou sequ\u00eancias de genes no arroz que est\u00e3o envolvidas na produ\u00e7\u00e3o de enzimas semelhantes relacionadas \u00e0 defesa.<\/p>\n

A pesquisa foi publicada em A c\u00e9lula vegetal<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

OXFORD, Mississippi, EUA \u2014 O sorgo secreta um composto chamado sorgoleona, que ajuda a combater ervas daninhas, de acordo com cientistas do Servi\u00e7o de Pesquisa Agr\u00edcola (ARS, na sigla em ingl\u00eas)...<\/p>","protected":false},"author":110,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":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":[4],"tags":[594],"class_list":["post-9369","post","type-post","status-publish","format-standard","hentry","category-agrochemicals","tag-sorghum"],"yoast_head":"\nSorghum Secretion Could Reduce Pesticide Use - AgriBusiness Global<\/title>\n<meta name=\"description\" content=\"OXFORD, Mississippi, US -- Sorghum secretes a compound called sorgoleone, which helps combat weeds, according to Agricultural Research Service(ARS)\" \/>\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\/pt\/agrochemicals\/sorghum-secretion-could-reduce-pesticide-use\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sorghum Secretion Could Reduce Pesticide Use - 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