Physiological changes of maple(Acer palmatum ''Atropurpureum'') leaves during the color-changing period in autumn and winter
红枫秋冬转色期叶色变化的生理特性

In order to reveal the physiological characteristics in the changes of maple leaf color,the mature maple trees(Acer palmatum 'Atropurpureum') line Liangtouhong was taken as material.The variations of chlorophyll,anthocyanin and soluble sugar content in maple leaves were measured during the color-changing period from late October to early December.The effects of different light intensities and temperatures upon the leaf color were compared.The results indicated that the chlorophyll descended gradually at the...