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龙眼剥皮再生的解剖学研究
谭志雄; 廖建良;   
1.广东惠州教育学院;2.广东惠阳师专 惠州 516015
摘要:
龙眼(Dimocarpus tongan Lour.)茎干经过大面积环剥,都能再生出新皮。环剥初期,愈伤组织都由近暴露面的射线细胞产生,稍后,其他未成熟木质部细胞也参加愈伤组织的形成,这些愈伤组织一般在靠近表面都可发生木栓形成层,以后迅速形成正常的周皮。在愈伤组织与木质部交界处的未成熟木质部细胞发生维管形成层。新发生的形成层正常地向外分化出次生韧皮部,向内分化出次生木质部。初期有些原来的射线将新形成层带分割成许多小区,二个月后,由于新的形成层不断平周活动,逐渐将形成层连成一圈,以后基本上与正常树皮维管组织的发育一样。
关键词:  龙眼  剥皮  再生  
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