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经过初级系比１３年、高级系比１２年的试验，初步表明，热研６—８８１是一个速生高产的橡胶树优良新品种．生长快，开割率高；在高比区，１～４割年平均年产干胶８１．１Ｋｇ／Ｍｕ，为对照ＲＲＩＭ６００的１５２．２％．
After 13 years of primary department and 12 years of advanced department, it was initially shown that Hotan 6-881 is an excellent new variety of fast-growing and high-yield rubber tree. Fast growth and high cutting rate. In the high ratio area, average annual dry glue 81.1Kg / Mu in 1 ~ 4 years was 152.2% of control RRIM600.