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本文从抗寒力、生长、产胶和经济效益四个方面总结了十五年来三合树的研究情况,论述了三合树在橡胶北移,建设“安全、稳产、高产”胶园的作用.93～114/GT_1,93～114/PR107,五星I_3/PR107,五星I_3/GT_1,8～673/PR107等组合可以提高抗寒力2～2.5级.生长量一般可以提高30～50%,非生产期缩短一年.可以实现北移胶园稳产高产,产胶量一般较对照提高10～70% .经济效益较为明显,以三合树植胶1万亩,40万株计,一年可为国家节约和增加收入250万元以上,因此,三合树是橡胶树北移,克服寒害,提高产量较为理想的新型种植材料.
This paper summarizes the research situation of Sanhe tree from four aspects of cold resistance, growth, gelatin production and economic benefits, and discusses the role of Sanhe tree in northward shift of rubber to build “safe, stable and high yield” rubber plantation The combination of five star I_3 / PR107, five star I_3 / GT_1, 8 ~ 673 / PR107 can improve the cold resistance of 2 ~ 2.5, and the growth can be increased by 30 ~ 50% Non-production period shortened by one year can be achieved in the north of the plastic garden steady and high yield, the amount of plastic production generally increased 10 to 70% compared with the control. Economic benefits are more obvious to Sanhe tree planting 10,000 mu, 400,000 plan, a year Can save for the country and increase income 2.5 million yuan, therefore, Sanhe is the rubber tree north, overcoming the chill injury, improve the yield is more ideal new planting material.