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当前位置: 首页 > 文章 > 红树林蚧虫的发生和扩散规律 中国森林病虫 2019 (6) 11-15
Position: Home > Articles > The occurrence and diffusion of scale insects in mangrove Forest Pest and Disease 2019 (6) 11-15

红树林蚧虫的发生和扩散规律

作  者：
刘文爱;薛云红;范航清
单  位：
广西科学院广西红树林研究中心广西红树林保护与利用重点实验室
关键词：
红树林;蚧虫;扩散规律;秋茄
摘  要：
通过调查广西红树林内蚧虫的种类及寄生位置,测定不同红树植物叶片内单宁、可溶解性糖和水分的含量,发现红树林中有8种蚧虫,分别为蛎盾蚧Lepidosaphes sp.、椰圆盾蚧Aspidiotus destructor、考氏白盾蚧Pseudaulacaspis cockerelli、黑褐圆盾蚧Chrysomphalus aonidum、红蜡蚧Ceroplastes rubens、日本龟蜡蚧Ceroplastes japonicas、吹绵蚧Icerya purchasi和卫矛矢尖蚧Unaspis euonymi,其中蛎盾蚧最为常见,危害最严重。红树植物发生危害严重程度依次是秋茄Kandelia candel、白骨壤Avicennia marina、桐花树Aegiceras corniculatum、木榄Bruguiera gymnorrhiza。蚧虫在红树林中主要发生在高潮位。秋茄老叶与秋茄嫩叶含水量差异不大,二者显著高于桐花嫩叶和白骨壤叶片的含水量;秋茄老叶和嫩叶的可溶性糖含量显著高于其它3种叶片;秋茄嫩叶的单宁含量最低。蚧虫的扩散主要依靠水流传播,造林初期低矮且密的人工林较易发生蚧虫危害;蚧虫对不同红树植物的偏好性与含水量和可溶性糖含量正相关,与单宁含量负相关。
译  名：
The occurrence and diffusion of scale insects in mangrove
作  者：
LIU Wenai;Guangxi Key Lab of Mangrove Conservation and Utilization,Guangxi Mangrove Research Center,Guangxi Academy of Sciences;
关键词：
mangrove;;scale insects;;diffusion law;;Kandelia candel
摘  要：
Species and parasitic situation of mangrove scale insects in Guangxi were investigated,and the soluble sugar,tannin content and water content of different host leaves were measured to analyze the preference of scale insects for feeding.The survey found 8 species of scale insects in mangrove forests,which were Lepidosaphes sp.,Aspidiotus destructor,Pseudaulacaspis cockerelli,Chrysomphalus aonidum,Ceroplastes rubens,Ceroplastes japonicas,Icerya purchasi and Unaspis euonymi.Lepidosaphes sp.was the most common and serious pest.The occurrence degree of mangrove plants was as follow:Kandelia candel,Avicennia marina,Aegiceras corniculatum and Bruguiera gymnorrhiza;in mangrove forests,pests mainly occurred in the high tidal zone.The water content difference between old and tender leaves of K.candel was not obvious,both were significantly higher than the water content of tender leaves of Aegiceras corniculatum and Avicennia marina;the soluble sugar content of K.candel leaves was significantly higher than the others.The tender leaves tannin content of K.candel was the lowest.The diffusion of scale insects depended on water flow,so that the low plantation in the early stage of afforestation was more prone to the harm of the insects.The preference of the scale insects had positive correlation with water content and soluble sugar of mangrove plants,and had negative correlation with the tannin content.

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