Park, P.O.2015-09-032015-09-031964Annals of Applied Biology, 54, pp. 335-3470003-4746http://localhost:8080/dspace/handle/0/12698Field assessments of copper fungicides used to control coffee leaf rust have indicated an effective life of a few weeks, whereas residues can be determined chemically on the leaves for several months. The studies reported in this paper were designed to study this discrepancy.enhttp://creativecommons.org/licenses/by/3.0/Journal ContributionCopperFungicidesCoffeeLeafRusts