{"id":17586,"date":"2022-04-12T14:25:02","date_gmt":"2022-04-12T12:25:02","guid":{"rendered":"https:\/\/crisara.com\/?p=17586"},"modified":"2022-06-08T19:50:25","modified_gmt":"2022-06-08T17:50:25","slug":"control-de-mancha-ocre-en-almendro","status":"publish","type":"post","link":"https:\/\/crisara.com\/en\/control-de-mancha-ocre-en-almendro\/","title":{"rendered":"Control de mancha ocre en almendro"},"content":{"rendered":"
\n

El polisystigma fulvun<\/em> o macha ocre avanza como consecuencia del cambio clim\u00e1tico y la introducci\u00f3n de nuevas variedades propensas, un enemigo que pasa desapercibido durante 40 d\u00edas de incubaci\u00f3n y que llegado el periodo estival da la cara produciendo efectos demoledores, principalmente en secano, donde la planta se debilita por falta de agua.<\/p>\n\n\n\n

En este art\u00edculo se aborda la estrategia para combatir esta enfermedad, una de las m\u00e1s extendidas en la geograf\u00eda espa\u00f1ola.<\/p>\n\n\n\n

Mancha Ocre (Polystigma amygdalinum<\/em>)<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Causante y ciclo vital:<\/u> <\/strong>afecta intensivamente a algunas variedades de almendro como Guara. <\/em>Esta enfermedad viene favorecida por las altas temperaturas y la humedad. Pasan el invierno en forma de ascas en las hojas secas, que maduran en este periodo y en la primavera surgen esporas que reproducen la enfermedad, provocando manchas irregulares que comienzan con un color amarillento, pasando a pardo rojizas, y finalmente necrosis.<\/p>\n\n\n\n

S\u00edntomas y danos:<\/u> <\/strong>los s\u00edntomas son la aparici\u00f3n en las nuevas hojas de manchas amarillas \u2013 anaranjadas. La enfermedad puede provocar la ca\u00edda de la hoja, por lo que afecta tanto a la producci\u00f3n del mismo a\u00f1o, como a la producci\u00f3n del a\u00f1o siguiente, ya que el \u00e1rbol disminuye su acumulaci\u00f3n de reservas tras la recolecci\u00f3n.<\/p>\n\n\n\n

Seguimiento y control:<\/u> <\/strong>las medidas de lucha deben ser tomadas desde el periodo de brotaci\u00f3n, antes de que aparezcan los primeros s\u00edntomas, y hasta el mes de junio aproximadamente.<\/p>\n\n\n\n

Estrategia de control CRISARA<\/em><\/strong><\/p>\n\n\n\n

Desde CRISARA, la estrategia de control que proponemos est\u00e1 basada en labores culturales y tratamientos fitosanitarios. Por un lado, la eliminaci\u00f3n de las hojas secas del suelo en el invierno, ya que estas son fuente de in\u00f3culo de la enfermedad. Por otro lado, la aplicaci\u00f3n de nuestro FERCRISA PREVEN<\/strong> desde la aparici\u00f3n de las hojas, repitiendo esta aplicaci\u00f3n cada 25 d\u00edas hasta el mes de junio aproximadamente, cuando la temperatura no sea adecuada para el desarrollo de la enfermedad.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

<\/p>\n\n\n\n

Tabla de eficacia de los diferentes compuestos de Cobre para el control de enfermedades en almendro<\/strong><\/p>\n\n\n\n

A continuaci\u00f3n, se muestra una tabla que relaciona la eficacia de diferentes compuestos de Cu, autorizados en agricultura ecol\u00f3gica y su efecto frente a las enfermedades m\u00e1s comunes en el almendro.<\/p>\n\n\n\n

\"\"
Fuente: <\/strong>Universidad de California Davis y elaboraci\u00f3n propia.<\/figcaption><\/figure>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

El polisystigma fulvun o macha ocre avanza como consecuencia del cambio clim\u00e1tico y la introducci\u00f3n de nuevas variedades propensas, un enemigo que pasa desapercibido durante 40 d\u00edas de incubaci\u00f3n y que llegado el periodo estival da la cara produciendo efectos demoledores, principalmente en secano, donde la planta se debilita por falta de agua. En este […]<\/p>\n","protected":false},"author":2,"featured_media":17603,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43,82,80],"tags":[],"class_list":["post-17586","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-crisara-2","category-articulos-tecnicos","category-rincon-tecnico-almendro"],"yoast_head":"\nControl de mancha ocre en almendro - Crisara<\/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:\/\/crisara.com\/control-de-mancha-ocre-en-almendro\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Control de mancha ocre en almendro - Crisara\" \/>\n<meta property=\"og:description\" content=\"El polisystigma fulvun o macha ocre avanza como consecuencia del cambio clim\u00e1tico y la introducci\u00f3n de nuevas variedades propensas, un enemigo que pasa desapercibido durante 40 d\u00edas de incubaci\u00f3n y que llegado el periodo estival da la cara produciendo efectos demoledores, principalmente en secano, donde la planta se debilita por falta de agua. 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