{"id":8778,"date":"2015-07-31T19:30:11","date_gmt":"2015-08-01T00:30:11","guid":{"rendered":"https:\/\/panoramaagrario.com.php56-10.dfw3-2.websitetestlink.com\/?p=8778"},"modified":"2015-07-31T19:08:05","modified_gmt":"2015-08-01T00:08:05","slug":"nueva-variedad-de-arroz-cuyo-cultivo-apenas-libera-metano","status":"publish","type":"post","link":"https:\/\/panoramaagrario.com\/2015\/07\/nueva-variedad-de-arroz-cuyo-cultivo-apenas-libera-metano\/","title":{"rendered":"Nueva variedad de arroz cuyo cultivo apenas libera metano"},"content":{"rendered":"

El arroz es considerado como un alimento b\u00e1sico para m\u00e1s de la mitad de la poblaci\u00f3n del mundo, pero tambi\u00e9n es una de las fuentes de metano atmosf\u00e9rico (un gas con un potente efecto invernadero) m\u00e1s grandes producidas por el hombre. Ahora, gracias a un nuevo avance cient\u00edfico, con la adici\u00f3n de un \u00fanico gen, el arroz puede ser cultivado sin que emita virtualmente nada de metano desde los arrozales durante su crecimiento. Tambi\u00e9n permite una excelente acumulaci\u00f3n de recursos nutritivos en la planta, como por ejemplo el almid\u00f3n, consigui\u00e9ndose as\u00ed que este nuevo arroz sea una fuente m\u00e1s rica de nutrientes.<\/p>\n

Los arrozales aportan hasta el 17 por ciento del conjunto de las emisiones de metano globales, el equivalente a 100 millones de toneladas cada a\u00f1o. Si bien esto representa un porcentaje mucho m\u00e1s peque\u00f1o que el del di\u00f3xido de carbono emitido a la atm\u00f3sfera, el metano es unas 20 veces m\u00e1s efectivo a la hora de atrapar calor.<\/p>\n

La nueva variedad de arroz, a la que se le ha dado el nombre de SUSIBA2, es la primera con alto contenido de almid\u00f3n y baja producci\u00f3n de metano que podr\u00eda ofrecer una soluci\u00f3n clara y sostenible.<\/p>\n

Los investigadores crearon el arroz SUSIBA2 introduciendo un \u00fanico gen de la cebada en el arroz com\u00fan, resultando en una planta que puede alimentar mejor sus granos, tallos y hojas, reprimiendo al mismo tiempo a los microbios que producen metano en el suelo.<\/p>\n

\"Adem\u00e1s<\/a>
Adem\u00e1s de eliminar casi por completo la emisi\u00f3n de gases con efecto invernadero asociados a su crecimiento, el arroz SUSIBA2 produce una cantidad sustancialmente superior de granos, siendo una fuente alimenticia m\u00e1s nutritiva. La nueva variedad se puede ver aqu\u00ed (derecha) comparada con una normal. (Foto: Swedish University of Agricultural Sciences)<\/figcaption><\/figure>\n

Los resultados representan la culminaci\u00f3n de m\u00e1s de una d\u00e9cada de trabajo realizado por investigadores de tres pa\u00edses, incluyendo a Christer Jansson, director de ciencias vegetales en el Laboratorio Nacional estadounidense del Pac\u00edfico Noroeste.<\/p>\n

En el trabajo de investigaci\u00f3n y desarrollo tambi\u00e9n han intervenido la Universidad Sueca de Ciencias Agr\u00edcolas y dos instituciones de China.<\/p>\n

Noticias de la Ciencia<\/p>\n","protected":false},"excerpt":{"rendered":"

El arroz es considerado como un alimento b\u00e1sico para m\u00e1s de la mitad de la poblaci\u00f3n del mundo, pero tambi\u00e9n es una de las fuentes de metano atmosf\u00e9rico (un gas con un potente efecto invernadero) m\u00e1s grandes producidas por el hombre. Ahora, gracias a un nuevo avance cient\u00edfico, con la adici\u00f3n de un \u00fanico gen, […]<\/p>\n","protected":false},"author":2,"featured_media":3550,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"Nueva variedad de arroz cuyo cultivo apenas libera metano","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[480],"tags":[524,190,940,44],"jetpack_publicize_connections":[],"yoast_head":"\nNueva variedad de arroz cuyo cultivo apenas libera metano • Panorama Agrario<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/panoramaagrario.com\/2015\/07\/nueva-variedad-de-arroz-cuyo-cultivo-apenas-libera-metano\/\" \/>\n<meta property=\"og:locale\" content=\"es_MX\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nueva variedad de arroz cuyo cultivo apenas libera metano • Panorama Agrario\" \/>\n<meta property=\"og:description\" content=\"El arroz es considerado como un alimento b\u00e1sico para m\u00e1s de la mitad de la poblaci\u00f3n del mundo, pero tambi\u00e9n es una de las fuentes de metano atmosf\u00e9rico (un gas con un potente efecto invernadero) m\u00e1s grandes producidas por el hombre. 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