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随着早春西瓜栽培技术的推广 ,西瓜生理性病害呈明显上升趋势。在我省西瓜产区 ,主要生理性病害是烂根和烧根 ,若不及时防治 ,势必影响西瓜植株的生长发育 ,甚至减产绝收。一、烂根烂根 ,即沤根 ,是一种极易发生的生理性病害。早春西瓜烂根后 ,根毛停止生长 ,并由乳白色变成铁
With the promotion of early spring watermelon cultivation techniques, watermelon physiological disease showed a clear upward trend. Watermelon producing areas in our province, the main physiological diseases are rotten roots and roots, if not timely control, it is bound to affect the growth and development of watermelon plants, or even reduce production. First, rotten roots, that is, root, is a very easy to happen physiological diseases. Watermelon rotten roots in early spring, the root hair to stop growing, and from milky white into iron