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近年来,施用新型植物激素缩节安以控制棉株徒长,减少棉铃脱落,增加前期花产量,提高棉花等级质量,取得了良好的效果。目前在长江、黄河中下游以及新疆棉区等14个省市区的棉田,使用缩节安的已达300多万亩。缩节安是一种新型植物激素,西德于1972年合成生产,我国1980年合成生产,它的化学名称叫做1.1-二甲基哌啶鎓氯化物,简称DPC。纯品为白色结晶固体,熔点285摄氏度,易溶于水及酒精,在空气中很快潮解,变成浅黄色油状浓液体。对人畜有微毒。一般晶体原药3克、兑水100斤,可喷1亩棉
In recent years, the application of new plant hormones Shuananan to control the growth of cotton plant, reducing cotton bolls off, increase the yield of the early flowers, improve the cotton grade quality, and achieved good results. At present, the cotton fields in 14 provinces, cities and districts, including the Yangtze River, the middle and lower reaches of the Yellow River and the Xinjiang cotton area, have already used more than 3 million mu. Dian An is a new plant hormone, West Germany in 1972, synthesis of synthetic production in China in 1980, its chemical name is called 1.1 - dimethyl piperidinium chloride, referred to as DPC. Pure white crystalline solid, melting point of 285 degrees Celsius, soluble in water and alcohol, in the air quickly deliquescence, into a light yellow oily liquid. Micro-toxic to humans and animals. General crystal original drug 3 grams, watered 100 pounds, can spray 1 acre cotton