桂东南城区园林树木桑寄生危害的调查研究  

An Investigation and Study of Loranthus parasiticus Damage on Garden Plants at Urban Areas of Southeastern Guangxi Province

作　　者：庞瑞媛[1] 李桂芬[1] 黎建玲[1] 

机构地区：[1]玉林师范学院,广西玉林537000

出　　处：《云南林业科技》2003年第4期75-79,共5页Yunnan Forestry Science and Technology

摘　　要：对桂东南城区园林树木的桑寄生危害进行了调查研究 ,结果表明 :桑寄生可危害城区大多数园林树种 ,轻则影响树木的生长和发育 ,造成生长缓慢、衰退 ,重则造成死亡。目前寄主已涉及城区园林的 30个科 5 1个属的 5 8种植物 ;桑寄生危害在不同树种和城区不同地段存在差异性 ;其传播途径主要以种子的形式经鸟类传播。据此 ,提出以“管理防治”为主的防治措施。Loranthus parasiticus damage on garden plants at urban areas of southeastern Guangxi province was investigated and studied. The investigating results show that Loranthus parasiticus causes damage to most garden species of these areas, brings about slow and declined growth, even death of the trees in case of serious damage. The attacked garden plant species amounts to 30 families, 51 genera, 58 species. The damage caused by Loranthus parasiticus varies with species and sites. It is mainly spread through seeds flow by birds. Aiming at the damage, some control measures focusing on reasonable and comprehensive management are proposed.

关 键 词：广西 东南城区 园林树木 桑寄生 危害 生长发育 

分 类 号：S765.5[农业科学—森林保护学]