关键词: 秀雅杜鹃, AFLP, 多态位点, 遗传变异, 资源保护

Abstract: Based On comprehensive investigation and analysis of the structure,matter flow,energy flow and value flow in the newly-built orange orchard ecolomic system in Zhadian town,Yunnan province,the existing problems of system structure and function were revealed, and development measures for readjusting system structure and improving system function were put forward:(1)increase the cultivation of tobacco,rnaize,white bean and other crops;(2)strengthen stock-raising,especially chicken;(3)develop biogas and improve beneficial cycling of the system.

Key words: Rhododendron concinnum, AFLP, polymorphism locus, genetic variation, germplasm conservation.