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连续两年对4个苹果品种进行了不同时期土壤施用多效唑的试验。结果表明,苹果土施情况下,其“滞后期”只需2—2.5个月。为了让明显的抑制效果从旺盛生长一开始就发生,就需要把施用的时间向前推移。合适的施用时间应在9月上半个月(大体相当于金冠采收期)及8月。
Four apple cultivars were tested for soil application of paclobutrazol at different periods for two consecutive years. The results show that Apple soil conditions, the “lag” only 2-2.5 months. In order for obvious inhibitory effects to take place from the very beginning of vigorous growth, the time of application needs to be shifted forward. Appropriate application time should be in the first half of September (roughly equivalent to Golden Retriever) and August.