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Preliminary yield compartision on 1/2S d/3 and 1/2S d/4 tapping systems of some Hevea clones in Cambodia

Mak S., Hav S., Chhek C., Lacote R.. 2007. In : Natural rubber industry: R and D achievements and challenges : International Rubber Conference 2007, Siem Reap, Cambodia, 12-13 November 2007. Phnom Penh : CRRI, p. 142-150. International Rubber Conference, 2007-11-12/2007-11-13, Siem Reap (Cambodge).

The experiment on Preliminary Yield Potential Comparison on ½ S dl3 and dl4 Tapping Systems of Some Hevea Clones in Cambodia was on fann research at Chup Rubber Research Station ofCambodian Rubber Research Institute (CRR/). The objective of the experiment was to investigate the preliminary yield potential comparison of the tapping system ½ S dl3 7d17 and ½ S dl4 7d17based on frequency of ethephon stimll/atior.. The result forfirst year, revealed that clone lRCA 111 and PB 330 produced high yield in ½ S dl4 7dil. ET 2.5%. PaAly. Clone GT1 produced high yield ½ S dl3 7d/1. ET 2.5%. Pa.Bly. Clone IRCA 230 prodllced high yield in ½ S dl4 7dil. ET 2.5%. Pa.12/y in Cambodiall condition.

Mots-clés : hévéa; cambodge

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