由沈阳化工研究院研制、山东青岛农药厂生产的优良植物生长调节剂——助壮素,具有用量少、效果稳定和使用方便等特点,对控制棉花徒长、促进早熟、防止蕾铃脱落、增加铃重、提高产量、防止早衰有明显效果。1984年,辽阳市2万多亩棉田应用了助壮素。调查结果表明,喷施助壮素的棉花,叶色深,果枝短。 By the Shenyang Chemical Research Institute, Qingdao, Shandong pesticide plant production of good plant growth regulator - mepiquat, with less dosage, the effect is stable and easy to use and so on, to control the growth of cotton, to promote premature, to prevent the fall of the bell, Increase boll weight, increase production, prevent premature aging have obvious effect. In 1984, Liaoyang City, more than 20,000 acres of cotton applied to help Zhuang Su. The survey results show that the application of mepiquat cotton, dark leaves, fruiting branches short.