Browsing by Author "Robinson, J."
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Item Comparative Trials of D.D.T and Dieldrin for the Control of the Riverside Tsetse Glossi Na Palpalis FusciPes (Newst.)(1957) Burnett, G. F.; Robinson, J.Residual deposits of D.D.T. have been used with considerable success against the tsetse fly, Glossina palpalis /uscipes (Newst.), in the Nyanza Province of Kenya (Wilson, 1953). It has become standard practice to use "Arkotine",a product of Shell Chemicals Ltd. The tests here described were originally intended to give more accurate information than that Hitherto available on the persistence of the formulation as used, and if possible to suggest economiesItem The persistence of insecticides in Tropical Soils I - Preliminary investigations(1958) Mesmer, E.T.; Robinson, J.The interpretation of the entomological observations obtained in experiments on the control of soil pests in East Africa is difficult owing to the lack of information on the persistence of insecticides in local soils. Experiments were carried out at Kawanda, Uganda, with a view to obtaining reliable data, but the data obtained were so variable that it was difficult to deduce any valid conclusions, and the experiments were, in fact, shelved for a time until the experimental technique had been improved and convenient statistical procedures obtained for handling the data.Item The Persistence Of Insecticides In Tropical Soils: I—Preliminary Investigations(1958) Robinson, J.; Mesmer, E.T.; Royal Technical College of East Mrica ; Colonial Pesticides Research UnitThe interpretation of the entomological observations obtained in experiments on the control of soil pests in East Africa is difficult owing to the lack of information on the persistence of insecticides in local soils. Experiments were carried out at Kawanda, Uganda, with a view to obtaining reliable data, but the data obtained were so variable that it was difficult to deduce any valid conclusions, and the experiments were, in fact, shelved for a time until the experimental technique had been improved and convenient statistical procedures obtained for handling the data.