USM recommends high-yielding rubber clones

One of the country’s centers for collection and propagating of rubber clones, the University of Southern Mindanao (USM) in Kabacan, North Cotabato, recently released a list of recommended clone of rubber.

The list comprises of the following clones:RRIM 600 (Rb 99-01), RRIM 712, RRIM 901, PB 217(Rb99-02), PB 235 (Rb99-04), PB 260, USM 1 (Rb 99-03), PB 330, and PB311. Among the new clones, USM1 (Rb 99-03) has the highest dry rubber yield per year (2.5 tons/ha). PB 330 is also one of the highest yielding lines, recording an average annual yield of 2.38 tons/ha, closely followed by PB 260, producing 2.37 tons/ha per year.

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