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李爱民, 吴鸿. 油松茎次生木质部中树脂道的发育过程和组织化学研究[J]. 植物科学学报, 2003, 21(1): 18-21.
引用本文: 李爱民, 吴鸿. 油松茎次生木质部中树脂道的发育过程和组织化学研究[J]. 植物科学学报, 2003, 21(1): 18-21.
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LI Ai-Min, WU Hong. Development and Histochemistry of Resin Ducts of Secondary Xylem in the Stem of Pinus tabulaeformis Carr.[J]. Plant Science Journal, 2003, 21(1): 18-21.
Citation: LI Ai-Min, WU Hong. Development and Histochemistry of Resin Ducts of Secondary Xylem in the Stem of Pinus tabulaeformis Carr.[J]. Plant Science Journal, 2003, 21(1): 18-21.
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油松茎次生木质部中树脂道的发育过程和组织化学研究

Development and Histochemistry of Resin Ducts of Secondary Xylem in the Stem of Pinus tabulaeformis Carr.

    摘要
  • 摘要: 利用组织化学方法对油松茎次生木质部树脂道发育过程中上皮细胞内树脂滴和淀粉粒的动态变化进行了研究。发现在树脂道原始细胞阶段,每个原始细胞含淀粉粒较少,含树脂滴稀少。在树脂道形成阶段,淀粉粒数目较多,体积增大,树脂滴也呈递增趋势。在树脂道成熟阶段,淀粉粒数目变化不大,而体积明显变小,树脂滴的体积增大,数目减少。

     

    Abstract: The dynamic changes of resin droplets and starch grains in resin duct cells at different developmental stages of resin duct of secondary xylem were studied by histochemistry.At the initial stages, few resin droplets and starch grains observed in the cytoplasm.At formative stages,the number of starch grains gradually increases while their volume enlarges.Resin droplets charge with a same trend.At the mature stage,the volume of starch grains obviously decreases,no great charge take places in the number of starch grains.The volume of resin droplets enlarges while the number decreases.

     

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