PiX是西德巴登(BASF)公司最近推广的内吸性棉花用植物生长调节剂,其有效成分属季铵盐化合物。田间试验表明,它能有效地控制棉花的生长,以化学整枝代替人工整枝,据称其效力为矮壮素的三倍;在水肥充足时,使用此药可使棉花增产10～20％,是植物生长调节剂中引人注目的新品种。 PiX有效成分的化学名称是N,N-二甲基 PiX is a recently introduced cotton plant growth regulators for cotton with the active ingredient of quaternary ammonium compounds from BASF. Field trials have shown that it can effectively control the growth of cotton by replacing the artificial pruning with chemical pruning, which is claimed to be three times as effective as chlormequat. When sufficient water and fertilizer are used, cotton yield can be increased by 10-20% using this medicine Plant growth regulators attract the attention of new varieties. The chemical name of PiX active ingredient is N, N-dimethyl