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孙克章同志你提的问题,由《中国棉花》编辑部转交给我,今答复于下: 矮壮素浸种现时一般用于棉花育苗移栽。是防止高脚苗的一项措施。其所用浸种浓度在200～400ppm的范围,亦有低至150ppm的,不宜过大,否则久久不得舒展,果枝伸不出,造成迟发减产。只要浓度得当,蕾期稳长,则有利于早期减少脱落,多结蕾铃的效果。浸种时间为24小时,以使其充分
Your question from Comrade Sun Kezhang was forwarded to me by the editorial department of China Cotton. Here is your reply: Chlormequat seed soaking is now generally used for cotton seedling transplanting. Is to prevent high-footed a measure. Soaking seed concentration used in the range of 200 ~ 400ppm, also as low as 150ppm, not too large, or a long time not stretch, fruiting branches can not stretch out, resulting in delayed production cuts. As long as the proper concentration, buds and long-term stability, it is conducive to early fall off, the effect of multi-tiered bolls. Soaking time for 24 hours, to make it full