浅谈渠道工程白蚁防治

来源 :华中三省(湖北、湖南、河南)昆虫学会2012年学术年会暨全国白蚁防治学术研讨会 | 被引量 : 0次 | 上传用户:yangyi376
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通过对湖北省漳河水库二干渠渠道白蚁产生的原因及危害进行分析,多年来在防治白蚁方面总结出许多经验,归纳起来主要有“查、杀、灌”三个环节。每年春(3-6月)、秋(9-11月)季节是白蚁活动频繁时期,组织人员沿着渠堤内外坡上下进行白蚁普查,从“泥被”、“泥线”和“分群孔”等白蚁的地表特征,如发现有白蚁活动迹象,就做好标记,再喷洒药物处理或挖土追巢,消灭白蚁。寻找白蚁活动的地表特征时,要因时、因地制宜。一般是天旱时查湿处,雨时查干处;久旱不雨时查渠堤中、下坡,阴雨连绵时,查渠堤上坡。渠道上采取的白蚁灭杀手段主要有药物灭杀和开挖追巢灭杀两种。白蚁灭杀后,渠堤内的蚁穴、蚁道仍然存在,势必成为漏水通道,因此,还需进行充填灌浆,处理堤身隐患。如蚁巢体积较大,容易导致堤面发生塌坑(跌窝),已经灭杀的白蚁在进行开挖回填夯实处理后,并在蚁巢或塌坑附近范围内进行打孔灌浆,充填蚁道或漏水通道。
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在对水库除险加固过程中采用挖白蚁巢、建防蚁隔离带、打孔灌药、地表施药、药物诱杀等技术对水库堤坝白蚁进行综合治理,充分发挥各种白蚁防治技术的优势,实现对水库堤坝白蚁