Study on Control of Termites in Gardens Using Repellents

A field study for controlling termite damage to ornamental trees in gardens was undertaken in Linping Garden,Yuhang,Zhejiang,China from1996 to 1998. The approach to termite control was designed on the consideration of avoiding over interference to the garden ecosystem and the treatments were achieved by using repellents including 0.8% chlorpyrifos emulsion,2.5% LX gradual-releasing granule and lime.The results showed that all treatments were effective at different levels against termite damage,with the best controlling from chlorpyrifos treatment.In the latter case,the treated trees were totally free from termite damage for three years after treatment,while termite activities were not interfered on the ground one meter away from the trees.