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毛白杨Populus tomentosa Carr.种条先成根原基数量少,又集中于基部,是其无性繁殖困难的内因.因此,如何增加其根原基数量和扩大分布范围,无疑是解决这个难题的重要途径.我们于1986年开展了毛白杨苗期根原基诱导试验.本试验有两项内容:一是试验毛白杨苗期根原基诱导剂的配制;二是试验毛白杨苗期根原基诱导剂的施用方法.现将这两方面试验结果,初报如下.
Therefore, how to increase the root primordia and expand the distribution range is undoubtedly an important way to solve this problem. We carried out root primordia induction experiment of Populus tomentosa seedlings in 1986.This experiment has two contents: one is to test the preparation of root primordium inducer in Populus tomentosa seedling; the other is to test the method of root primordium inducer in poplar seedling stage Now these two aspects of the test results, the first report is as follows.