Coffee Board Of Kenya Monthly Bulletin October 1982

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Date
1982
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During 1980/81 field trials the new fungidies MK-23 75% WP and A6097A 25% E.C. were found effective against Coffee Berry Disease (CBD) but both products at the rates tested gave lower yields compared to the standard product Captafol 80% WP (Chevron). Calirus 50% WP was found ineffective against CBD and gave very low yield.Dyrene 50% WP and Dyrene 75% WP gave satisfactory control of CBD and recorded yields as high as the standard product Captafol 80% WP. Copcel 50% WP controlled CBD effectively and gave yields significantly higher than the standard product Captafol 80% WP.Tank mixtures of Captafol + Kocide 101 and Delan + Copper oxychloride at half rates gave the best overall performance against CBD and increased yields significantly .higher than the standard product Captafol 80% WP.Therefore, it is recommended to use these tank mixtures more frequently to control CBD
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Bulletin, 47 (556), pp. 209-236
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