乌桕属大戟科乌桕属的木本油料树种,异花受粉,因此,在良种繁育上采用天然杂交的实生苗繁殖,不易获得优良子代.人工杂交,虽能获得优良杂种后代,但所费时间较长,且为现实条件所限,难于推行。在现有资源中进行系统选择,采用无性繁殖,方法简便,见效较快,易为群众所接受。为了探索乌桕扦插所需的各种因素,一九七八年,我们在黎平县乌桕林场试行乌桕扦插 Wu genus Euphorbiaceae Wu Wu genus woody oil species, different flowers by powder, therefore, the use of natural hybrid seed propagation in breeding breeding, not easy to get good offspring. Artificial hybrids, although access to good hybrid offspring, but the fee A long time, and the actual conditions are limited, difficult to implement. System selection in the existing resources, the use of asexual reproduction, the method is simple, quick results, easy to accept by the masses. In order to explore the various factors required for cutting cuttlefish, in 1978, we piloted the cuttlefish cuttings at Wuzhuang Forest Farm in Liping County