The Coffee Board 0f Kenya Monthly Bulletin September 1997

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1997
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A trial was set up to study the effect of deflowering and removal of primary branches on the size of the beans. Deflowering was done at per cent rates of 0,15,30,45,60 while primary branches were removed at every node,after 2,3 and 4 pairs of primaries,in order to reduce cropping and avoid overbearing and dieback.Deflowering reduced the yield of clean coffee significantly compared to the on-deflowered trees.Removal of a primary at every node resulted in significantly lower yields.The coffee quality in terms of grade ' A'beans were not significantly affected by the treatments but tended to be larger in deflowered trees.No overbearing stress was observed among all the treatments. The coffee leaf water potential was not significantly (P = 0.05) influenced by the treatments.
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Bulletin, 62 (731), pp. 2501-2524
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