The results showed: (1) accompanied with decreasing of light intensity, leaf length, width and leaf thickness of Dichondra repens increased initially and then decreased.

• 结果表明：(l)随着光照强度的降低，马蹄金叶片的长度、宽度及厚度均表现出先增大后减小的趋势，在76.；19%25透光率下达到最大值；