Physiological disorders in mango: effect of foliar calcium sprays.
Sampaio V. R., Scarpare Filho J. A., Kluge R. A.
Author Affiliation: Depto. de Produção Vegetal, ESALQ/USP, C.P. 09, CEP:1348-900, Piracicaba, SP, Brazil.
Scientia Agricola 56 : 459-463
Abstract : During fruiting of 8-year-old mango cv. Tommy Atkins trees growing in Piracicaba, Brazil, foliar sprays of calcium chloride (0.6 and 1.2%) were applied 7 times at 2-week intervals. Fruits were harvested on 2 dates: 16 December 1996 (normal harvest) and 6 January 1997 (late harvest). There was no increase in calcium content in the mesocarp of the fruits of treated trees as compared to untreated controls. The incidence of the physiological disorder internal breakdown was similar between treatments, independent of N or Ca contents in the mesocarp. This disorder increased with the later harvest in all treatments.