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“立秋”过后,济阳城关镇的几户甜瓜种植户反映,在拱棚内种植的甜瓜发生了病毒病,在喷施多遍防病毒的药之后也不见好转。经笔者实地查看,发现甜瓜生长点皱缩,叶片肥大,表面黄化,基本停止生长,从表面看很像病毒病(见图1)。但再看整个大棚甜瓜,2.5亩的甜瓜几乎100%都是这种症状,根据以往经验,如果是病毒病多是局部或部分发病。经询问瓜农,原来他们前几天刚喷过两次图2甜瓜病毒病
After the “Autumn”, a few families of melon growers in Chengguan Town, Jiyang City reported that the melon planted in the arch shed had a virus disease and had not improved after spraying the anti-virus drug for many times. The author on-site inspection, found melon growth point shrinkage, leaf hypertrophy, surface yellowing, the basic stop growing, from the surface look like a virus disease (see Figure 1). But look at the whole melon, 2.5 acres of melon is almost 100% of this symptom, based on past experience, if the virus is mostly local or partial disease. Asked by the melons, the original few days ago, they just sprayed twice in Figure 2 melon virus disease