干旱区冷季型草坪蛴螬虫窝诊断与防治

The Diagnosis and Control of Grubs′Nests on Cool Season Turfgrass in Arid Area

蛴螬危害草坪,常常造成严重损失。在白银市人民广场冷季型草坪防治实践中发现蛴螬虫窝现象,总结提出虫窝"一黄两松"诊断技术和"快准狠"防治措施。虫窝指蛴螬聚集危害而成的草坪不规则黄化斑块。利用"一黄两松"诊断技术可以准确判定虫窝,采用"快准狠"高浓度杀虫剂药液灌根防治措施可以彻底杀灭虫窝,有效控制蛴螬大面积连年暴发为害。

Grubs harm turfgrass,often causing serious damage.Grubs were found in the cool season turfgrass of people′s square in Baiyin city.The diagnosis technique of‘one yellow and two pine’and the control measures of‘quick,accurate and ruthless’were summarized.Wormholes refer to irregular chloretic patches of lawn caused by accumulation of grubs.The diagnosis technique of‘one yellow and two pine’could be used to accurately determine the insect nests,whereas the control technique of‘fast and accurate’with high concentration of insecticide liquid root irrigation could completely kill the insect nests.The two technique can effectively control the large area of grubs in consecutive years.