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杜仲是珍贵的中药材。近年来各地种源紧缺,价格昂贵,为了弥补种源的不足,我们于1987年12月30日在星甸杜仲林场进行了杜仲根插育苗试验。 1 材料和方法 1.1 材料 在江浦县星甸杜仲林场李子凹苗圃,选用1年生杜仲苗的主根(粗度在0.3厘米左右),剪成8～10厘米的插穗(上下切口一致)计400根,50根一把,置室内砂藏,并保持一定湿度。 试验苗床选在该场场部前苗圃。向阳,坡度2度,排水条件良好,土壤为黄棕壤,中性偏酸。 1.2 方法 按常规育苗方法整地作床。11月上、下旬各深翻1次。在第1次深翻时,施饼肥0.75公斤,磷肥0.15公斤。1988年1月底整地作床,苗床南北走向,床面宽120厘米,高24厘米。2月25日进行根埋扦插,株行距6×15厘米,深约7厘米左右,插穗露出床面1～3厘米,插后浇透水,并覆盖塑料薄膜,3月底揭膜。
Eucommia is precious Chinese herbal medicine. In recent years, provenance around the shortage, the price is expensive, in order to make up for the lack of provenance, we December 30, 1987 in the cemetery Duzhong Forest Farm Eucommia root nursery trials. MATERIALS AND METHODS A. Materials In the plum seedling nursery of Duzhong Forest Farm, Xingdian County, Jiangpu County, 400 rooted roots of 1-year-old Eucommia seedlings (about 0.3 cm in thickness) were cut into 8 to 10 cm cuttings (top and bottom incision) 50 root, home storage of sand, and maintain a certain humidity. Test seedbed selected in the field before the nursery. Sunny, 2 degrees slope, drainage conditions are good, yellow brown soil, neutral acid. 1.2 Methods According to the conventional nursery preparation for bed preparation. November, late in the deep turn 1 times. In the first deep turn, apply cake 0.75 kg, phosphate 0.15 kg. By the end of January 1988 for soil preparation for bed, bed north-south, bed width 120 cm, height 24 cm. February 25 for root cutting, spacing of 6 × 15 cm, about 7 cm deep, cuttings exposed bed 1 to 3 cm, after pouring water, and covered with plastic film, opened at the end of March.