A Method of Sampling Antestiopsis in Arabica Coffee in Chemical Control Schemes

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Date
1962
Authors
Rennison, B.D.
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Abstract
A faster and cheaper method of sampling Antestiopsis in coffee than test spraying is needed for use in chemical control programmes. A relationship is shown to exist between mean catches of Antestiopsis and the proportions of infested trees in samples, which could be utilized in a sampling method. The proportion, p, of infested trees found in samples containing antestia per tree was p = 0.671 '.jm - 0.107 m - 0.150. A sequential scheme, requiring only visual searching of trees for infestation has been outlined.
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East African Agricultural and Forestry Journal, XXVII (Specials Issue), pp. 197-200
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