最近王佩卿教授从造纸废浆中,提炼出了一种成本较低的木素酸钠,该物质具有促进植物生根的作用,为了了解其对针叶树插条生根的效果,我们于1981-1982年进行了对比试验,现将试验结果报道如下: 一、材料和方法 (一)材料试验材料为白皮松、华山松、日本落叶松、柳杉、桧柏、侧柏等七个树种。其具体规格见表1。 (二)方法于3月下旬采条,先将插穗下部针叶摘 Recently, Professor Wang Peiqing extracted a low-cost sodium lignosulphonate from waste paper pulp, which has the effect of promoting plant rooting. In order to understand its effect on the rooting of conifers, we carried out in 1981-1982 A comparison test, the test results are reported as follows: First, the material and methods (a) material test materials for the Pinus bungeana, Pinus armandii, Japanese larch, cedar, cypress, arborvitae and other seven species. The specific specifications in Table 1. (B) method In late March picking, the first cut the lower part of the needle pick