乌桕通过嫁接能保持母本的优良特性和提早开花结果,是乌桕良种繁育的重要手段之一。多年来,我们对影响乌桕嫁接苗生长的几个重要因子,作了一些试验和调查,现将材料整理如下,供参考。一、砧木对嫁接苗生长的影响砧木年龄和生长状况对嫁接苗的生长有很大关系; It is one of the important means for the breeding of Achnatherum splendens seedlings to maintain the excellent characteristics of female parent and the early flowering result by grafting. Over the years, we have done some experiments and surveys on several important factors that affect the growth of black grafted seedlings. We will organize the materials as follows for reference. First, the impact of rootstocks on the growth of grafted seedlings Rootstocks and growth conditions on the growth of grafted seedlings have a great relationship;