黄褐毛忍冬根系性状调查与解剖结构研究

[目的]对黄褐毛忍冬进行了根系性状调查以及根解剖结构方面的研究。[方法]选择2年生黄褐毛忍冬中等粗细的根,处理后在扫描电镜下观察其周皮和维管组织。[结果]结果表明,黄褐毛忍冬根系发达,生根力强,根以4月上旬至8月下旬生长最快,具有很强的水土保持功能和良好的抗干旱、抗瘠薄能力。在根的外围发育有较厚的周皮和输导组织,周皮的形成对黄褐毛忍冬具有节制蒸腾、通气作用和保护组织免受外界环境影响的作用。[结论]该研究可为黄褐毛忍冬植物在贵州喀斯特地区进行大面积推广栽培与进一步研究提供科学依据和模式。

Study on the Root System and Anatomical Structure of Lonicera fulvotomentosa

[Objective]The research aimed to study on the root system and root anatomical structure of Lonicera fulvotomentosa Hsu et S.C.Cheng.[Method]Taken middle thickness root of two years L.fulvotomentosa for materials,and the periderm,vascular tissue of root was observed under scanning electron microscope after been treated.[Result]The results showed that,L.fulvotomentosa has strong root system,powerful rooting ability.The root grows rapidly from April to August,has strong features of soil and water conservation ...