RAPD, SSR and AFLP techniques were ultilized to analyze variations during somatic doubling. No diversities were found by RAPD and SSR analyses, indicating infrequent recombination.
结合RAPD、SSR、AFLP分析研究椪柑体细胞加倍发生的变异情况，RAPD、SSR分析没有检测到变异的发生，说明加倍过程很少发生重组。
Chromosome doubling for somatic cells and somatic hybridization via cell fusion are effective methods to create polyploidy.
细胞融合和体细胞染色体加倍是获得杨树多倍体种质的有效途径之一。
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