Effects of Shading on the Leave Anatomical Structure and Photosynthetic Characteristics of White Clover
In order to learn the adaptability mechanism of white clover in the system of orchard and grass,the anatomical structures and photosynthetic characteristics of white clover leave were studied under noshading,50％ shading and 70％ shading,respectively.The results showed that the leaf area,upper epidermis thickness and spongy tissue thickness of white clover increased,whereas the other indexes of anatomical structure and Pn decreased as the increases of shading from apple tree.The upper epidermis thickness and the spongy tissue thickness were negatively correlated to Pn,whereas other indexes were positively correlated to Pn.In conclusion,the shading changed the anatomical structures of white clover leave and caused the decrease of photosynthetic rate.
Apple orchardWhite cloverShadingAnatomical structurePhotosynthetic characteristics
NETL
NSTL
万方数据
维普
