研究结果表明,广州市郊南洋楹幼树年生长其树高和胸径与气温相关极显著,与降水量和土壤含水量相关不显著。年生长节律总的趋势是从2月中下旬开始随着雨热同期到来而加快生长以至达到生长的高峰期,以后随冷旱季节的开始而生长速度明显下降。在最冷的1月份至2月中旬则相对地停止生长. The results showed that tree height and DBH were significantly correlated with temperature during the growth of young trees in the southern suburbs of Guangzhou, but not significantly correlated with precipitation and soil water content. The general trend of annual growth rhythm is from the second half of February with the onset of rain and heat to accelerate the growth and reach the peak of growth, then with the beginning of the cold season and the growth rate decreased significantly. In the coldest January to mid-February, the relative halting of growth.