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马来西亚橡胶研究院列出了西马来西亚25个著名橡胶无性系在大胶园不超过第十五割年的性状的资料。开割头五年,无性系 PB28/59的产量仍然最高,其次为 RRIM 628、527和600。在第五至第十割年的产量数据表明,RRIM 600的产量最高,其次为 RRIM 527和623。只有六个无性系到第14或第15割年有产量数据做对照。PR 107的产量继续表明有上升的趋势,并保持
The Malaysian Institute of Rubber Studies has listed information on the traits of 25 well-known rubber clones in Western Malaysia not exceeding the fifteenth cut in large rubber plantations. For the first five years after cutting, the clones PB28 / 59 still produced the highest yields, followed by RRIM 628, 527 and 600 respectively. Yield data for the fifth to tenth crop years show that RRIM 600 produced the highest yield, followed by RRIMs 527 and 623. Only six clones had production data for the 14th or 15th year of the year as a control. The production of PR 107 continues to show an upward trend and remains