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棉花烂桃,严重影响棉花的产量和质量。棉桃一烂,使单铃纤维重量减轻,纤维重结僵瓣,绒长减短,品质变劣,拉力差,弹性弱。造成棉花烂桃的原因很多:棉花后期长势过旺,植株含氮过多,叶色浓绿,加上田间荫蔽或棉株倒伏,湿度过大,都会诱发大量烂桃;幼铃受棉虫蛀害或受角斑病、炭疽病、红腐病、黑果病等侵染危害,吐絮期连续阴雨,都容易造
Cotton rotten peach, seriously affecting the yield and quality of cotton. Cotton boll rotten, so that a single boll fiber weight loss, fiber regrowth flap, short hair length, poor quality, poor pull, weak elasticity. There are many reasons for causing rotten peach in cotton: cotton tends to grow excessively in the late stage, with too much nitrogen in the plants and dark green leaves. When the field is shaded or the cotton plants are lodging and the humidity is too high, a lot of rotten peaches will be induced. Injury or affected by angular leaf spot, anthracnose, red rot disease, black fruit disease and other infestations, bolting stage continuous rain, are easy to make