Browsing by Author "Rajapakse, G.B."
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Item An alternative to DDT for tortrix control. Dipterex(Tea Research Institute. Thalawakele, 1962) Cranham, J.E.; Ranaweera, J.W.; Rajapakse, G.B.Item The mite pests of Ceylon tea. recognition and control(Tea Research Institute. Thalawakele, 1962) Cranham, J.E.; Ranaweera, J.W.; Rajapakse, G.B.