A farmer in Qipu County, Japan, based on his experience in planting onion for many years, summed up an effective method to control the scab on the green onions. First of all, the green onions with head blight were completely excavated from the cultivation fields, neatly placed on the ground, exposed to sunlight for about half a day, and then replanted in the fields. This approach not only effectively controls the spread of the scab virgin virus, but also the symptoms of diseased plants gradually disappear. In general, people will think that the growing crop can not be replanted after being dug out. However, the onion root system is different from other crops. This is because green onions have strong drought resistance and regenerative properties. The farmers also took other measures to prevent the occurrence of scab on the green scallion: Before the planting, the dried orange peel was placed on a piece of green onion, and for several days, the effect of preventing scab was obtained. According to the analysis of experts, the dried orange peel contains some organic ingredients that can inhibit the propagation of the gibberellin virus. At present, experts are continuing to do in-depth research in order to obtain scientific conclusions. China Agricultural Network Editor
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