Cranham, J.E.Ranaweera, J.W.Rajapakse, G.B.2014-11-182014-11-181962Tea Quarterly33(4)pp.196-201https://dl.nsf.gov.lk/handle/1/12964AgricultureTortrixPest controlDipterexDDTAn alternative to DDT for tortrix control. DipterexA