Urea as a thinning agent in olive: The influence of concentration and time of application

doi:https://doi.org/10.1080/00221589.1992.11516240

Article10.1080/00221589.1992.11516240

Urea as a thinning agent in olive: The influence of concentration and time of application

B. Barattà,Tiziano Caruso,P. Inglese-1992-01-01-Journal of Horticultural Science

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TL;DRAbstract

Urea was tested as chemical thinner on olive cv. Nocellara del Belice using three concentrations (2, 4 and 6%) applied at full bloom (FB), FB + 10 and FB + 20 days. Urea reduced fruit set significantly only when applied at FB + 20 days, the fruitlet stage. Final fruit set was reduced by about 50% compared with the untreated control (6% FB + 20 days). Crop load and fruit characteristics were both affected by the treatments.

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Urea was tested as chemical thinner on olive cv. Nocellara del Belice using three concentrations (2, 4 and 6%) applied at full bloom (FB), FB + 10 and FB + 20 days. Urea reduced fruit set significantly only when applied at FB + 20 days, the fruitlet stage. Final fruit set was reduced by about 50% compared with the untreated control (6% FB + 20 days). Crop load and fruit characteristics were both affected by the treatments.

Keywords

UreaThinningOlive treesFruit setHorticultureChemistryAnimal scienceCrop

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