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多效唑(pp_(333))作为新的植物生长延缓剂,在控长促花方面取得了良好的效果。但是,应用多效唑应严格使用剂量。1990年我们对7年生红富士旺长树每株土施15%多效唑可湿性粉剂15克,于新梢长至10厘米、15厘米,各喷一次15%多效唑500倍液。结果自1990年直至1992年,树势明显减弱,短枝、
Paclobutrazol (pp_ (333)) as a new plant growth retardant, in the long-term control of flowers obtained good results. However, the application of paclobutrazol should be strictly used dose. In 1990, we planted 15 grams of paclobutrazol WP 15 grams per plant on 7-year-old Red Fujiwang tree. The new shoots were grown to 10 cm and 15 cm in length. Each spray was sprayed with 500 times of 15% paclobutrazol 500 times. Results from 1990 until 1992, the tree potential was significantly weakened, spur,