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经过 3年田间试验与示范 ,研制出棉花促早避霜剂—壮早丰 (配方编号 :97BS8)。棉花系统喷施壮早丰后 ,棉株株高降低 9.89%～ 2 2 .58% ,主茎节间和果枝节间缩短 ,棉花株型紧凑 ,协调了营养生长与生殖生长关系 ,内围铃增多 ,单株铃数和铃重增加 ,生育进程加快 ,吐絮期提早 2～ 4d,皮棉比对照增产 5.4%～ 1 7.93% ,对棉花纤维品质无不良影响。
After 3 years of field trials and demonstrations, cotton was developed to promote early morning glory - Zhuang ZF (formula number: 97BS8). The cotton plant sprayed with strong early Feng, cotton plant height decreased 9.89% ~ 22.58%, the main stem internodes and fruiting branches shortened, compact cotton plant type, coordinated the relationship between vegetative growth and reproductive growth, the internal bell The number of bolls per plant and boll weight increased, and the growth process accelerated. The boll opening period was 2 ~ 4 days earlier, and the lint yield increased 5.4% ~ 1 7.93% than that of the control, which had no adverse effect on the quality of cotton fiber.