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近日,江苏省涟水县岔庙镇农民来电话说,他的50多亩地大棚西瓜最近发生病毒病,病株茎蔓生长缓慢甚至不长,顶部叶片变小、畸形、皱缩,田间病株率达50%。这些田块的西瓜处于膨大期,瓜已有1.5~2公斤重。据了解,前一段时间田间蚜虫较多,用敌敌畏熏蒸后田间已基本没有蚜虫。他问,有没有药可以防治西瓜病毒病?近日安徽蚌埠、东台等地也有读者来电话反映类似情况。
Recently, farmers in Chamiao Town, Lianshui County, Jiangsu Province, called to say that the virus disease occurred recently in his 50-mu-house greenhouse watermelon. The stem-tree growth of the diseased plants was slow or even slow. The top leaves became smaller, deformed and shriveled. Strain rate of 50%. These plots of watermelon in the swollen period, melon has been 1.5 to 2 kg weight. It is understood that some time ago more aphids in the field, with the dichlorvos fumigation field has basically no aphids. He asked if there is any medicine that can prevent and cure watermelon virus disease. Recently, readers in Bengbu, Dongtai, Anhui and other places have also called in to reflect similar situations.