The dissection of pericarp shows that the phellem of fruits in high latitude area are made up of ~7 layer cell, which are ~ layers thicker than those of the lower latitude area.
The dissection of pericarp shows that the phellem of fruits in high latitude area are made up of ~7 layer cell, which are ~ layers thicker than those of the lower latitude area.
皮的组织解剖表明 ,高海拔地区果实的果皮木栓组织一般 ～ 7个细胞层 ,低海拔地区的一般 ～ 个细胞层