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以临安雷竹为试材，对鞭侧芽发育为笋的过程中其外部形态和内部结构变化进行了研究，结果表明，雷竹鞭侧芽发育为笋可以划分为休眠期、萌动期、发育前期、发育中期、发育后期及出笋期。划分的外部形态指标为幼择的形态、颜色和芽的大小。内部结构划分的指标为节及节隔膜的分化与否，最大节隔膜之间的距离大小，细胞核的大小及有无，以及液泡的有无及大小。
Taking Lin’an Lei bamboo as test material, the changes of its external shape and internal structure during the development of whip side bud were studied. The results showed that the development of bamboo shoot can be divided into dormant period, germinating stage, Developmental period, the late development and the bamboo shoots. Divided external form indicators for the young shape, color and bud size. The division of the internal structure of the indicators for section and section of the diaphragm differentiation or not, the largest section of the distance between the diaphragm size, the size and presence of the nucleus, and the presence and size of vacuoles.