БОЛЕЗНИ КОРНЕВОЙ ГНИЛИ ОЗИМОЙ ПШЕНИЦЫ В УЗБЕКИСТАНЕ
Keywords:
озимая пшеница, корневая и ножная гниль, белоголовка, Fusarium spp., Bipolaris sorokiniana, Microdochium bolleyi, Heterodera avenae.Abstract
В 16 районах шести областей Узбекистана проведено обследование распространения корневых и ножных гнилей на полях озимой пшеницы. Сообщения о широком распространении корневых и ножных гнилей Fusarium на полях пшеницы подтвердились, возбудители в основном идентифицированы. Впервые в Узбекистане на орошаемых полях в двух районах Бухарской области установлено сильное заражение проростков озимой пшеницы обыкновенной корневой гнилью (вызванной B. sorokiniana). Впервые в стране в Андижанской области установлено заражение проростков озимой пшеницы корневой гнилью, вызванной новым для страны возбудителем болезни - грибом Microdochium bolleyi. Впервые на одном поле Ташкентской области зарегистрировано заражение проростков озимой пшеницы как злаковой цистной нематодой, относящейся к группе Heterodera avenae, так и Fusarium sp.
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