JOURNAL of Soil Biology and Ecology 

Efficacy of clothianidin 7.5 CS against termites

Author: T.G. AVINASH

Abstract:

Termites are essential pests in residential areas and cause much damage to wooden works. The present investigation was conducted at the Botanical Garden, University of Agricultural Sciences, GKVK, Bangalore. The test chemical clothianidin 7.5 CS was evaluated against termites at four concentrations viz., 0.025, 0.05, 0.075 and 0.1% and were compared with known termiticides viz., fipronil @ 0.075% and bifenthrin 0.05%. The treatments were replicated thrice in a randomized block design. The insecticides were treated to soil (1 sq. ft) following the modified ground board method (MGBM). Isoft wood bait (silver oak) was placed in the centre of the treated area. These baits were observed for termite damage at monthly intervals. The results indicated that clothianidin @ 0.1, 0.075, 0.05% and bifenthrin @ 0.05% protected the wood bait up to 26 MAT. However, the soil treated with clothianidin @ 0.025% and fipronil @ 0.075% were adequate only 8 and 9 months after treatment, respectively.

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