天然抑芽剂从植物中采集、分离、纯化培养 ,选取生物活性强、产率高的株系进行小麦抑芽快速检测 ,再反复比较筛选出高产菌株 ,最后经培养、溶剂萃取、浓缩、干燥得到天然脱落酸 (ＡＢＡ)和Ｂｏｔｃｉｎｏｌｉｄｅ两种抑芽剂。将其用于烤烟腋芽的抑制上 ,有效率高达 89%～ 92 % Natural sprouting agent is collected from plant, separated, purified and cultured, the strain with high biological activity and high yield is selected for quick detection of wheat sprouting inhibition, and then the high-yielding strain is repeatedly selected and screened, and finally cultured, solvent extracted, concentrated and dried Get natural abscisic acid (ABA) and Botcinolide two kinds of budding agent. Its use for inhibition of tobacco axillary buds, the effective rate as high as 89% to 92%