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中国北部湾白骨壤红树林的虫害与研究对策
范航清;邱广龙
1.广西大学;2.广西红树林研究中心 广西南宁530004广西红树林研究中心;3.广西北海536000;4.广西北海536000广西大学广西南宁530004
摘要:
危害北部湾白骨壤的主要害虫是广州小斑螟 (Oligochroacantonella)幼虫、双纹白草螟 (Pseudcatharylladuplicella)幼虫和广翅蜡蝉 (Euricaniasp.)成虫。广州小斑螟喜食害白骨壤叶片 ,造成大量叶片的枯干和枝条的死亡 ,最高可导致林木 73 %的叶面积危害。室内培养发现广大腿小蜂 (Brachymeriasp .)、啮小蜂 (Tetrastichussp .)可寄生广州小斑螟的蛹 ,终止其羽化过程。虫害具有突发性、专一性、快速扩展的特点。海水淹没可明显抑制虫害。讨论了虫害的发源、爆发的原因、生态效应和防治途径 ,并指出深入研究的方向
关键词:  虫害    白骨壤    红树林    北部湾
DOI:
分类号:
Fund project:广西自然科学基金项目 ;全球环境基金资助 (UNEP/GEF)。
Abstract:
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