人工红树林的生长与病虫害防治的研究

为了配合“十五”863项目研究红树林修复海水滩涂养殖水的营养污染,在深圳海上田园旅游区的科技试验区鱼塘构筑种植岛种植一年生红树植物海桑(Sonneratia caseolarisL.)、桐花树(Ageiceras corniculatum(L.)Blanco)、秋茄(Kandelia candelL.Druce)并监测了解其生长发育的情况及物候期;掌握危害红树林植物生长的主要病虫害.结果表明,海桑生长速度快,各生长形态指标都远大于秋茄和桐花树,并且具有良好的抗逆特性但怕冷冻.秋茄生长速度慢,对环境的适应能力差,怕水淹,成活率最低;桐花树抗逆性强,成活率最高.红树林植物幼龄时期容易受到病虫害严重威胁,要做好防治工作,保证红树林植物的健康生长.

A study on growth of artificial mangrove forest and plant diseases and insect pests

To serve the project of National Ocean 863 Plan,the mangrove planting-aquaculture system was made using three mangrove species,namely Sonneratia caseolaris,Ageiceras corniculatum,and Kandelia candel.The status of these three mangrove species' growth and their phenology phase were monitored.Main plant diseases and insect pests of the mangrove were documented.The results showed that mangrove Sonneratia caseolaris grew the fast,all growth criteria of Sonneratia caseolaris were better than the other two,and it also showed stronger resistance to harsh environmental conditions but cold weather.The resistance of Ageiceras corniculatum was strongest and survival rate was the highest.And Kandelia candel grew slowest,it was weakest in terms of resistance and the survival rate was the lowest.The younger mangrove seedlings suffered injury easily from plant diseases and insect pests.Prevention should be carried out so that the mangrove seedlings can develop normally.