杜仲是一种落叶乔木,生长在我国的南方地区,本人长期进行杜仲“南树北植”的研究,先后经历了近十年的探索,实现了将名贵中药材——杜仲在北方种植成功的夙愿。在种植过程中发现,杜仲树苗、成树从来不生虫,树上从不出现虫子作的网、挂的丝,在树根周围的土壤中也没有发现过过冬的虫卵、蛹、茧等。在做了多方面的实验研究后,证明杜仲具有防治害虫的功能。 Eucommia is a kind of deciduous tree growing in the southern part of our country. I have conducted a long-term research on Eucommia ulmoides ’south tree north plantation’ and has undergone nearly ten years of exploration to realize the successful cultivation of the precious Chinese medicinal material Eucommia ulmoides in the north Wishes. Found in the planting process, eucommia saplings, trees never become insects, trees never appear insects for the net, hanging wire, in the soil around the roots have not been found in winter eggs, pupae, cocoon, etc. . After doing a lot of experimental research, it proved that Eucommia has the function of controlling pests.