Vol. 71 No: 2

Title:
Effectiveness of Calcium Nitrate and GA₃ on the Control of Peel-Pitting of ‘Fortune’ Mandarin

Authors:
S. ZARAGOZA, V. ALMELA, F.R. TADE0, E. PRIMO-MILLO and M. AGUSTI

pp: 321-326

Abstract:
Calcium nitrate reduces peel-pitting and cuticular water permeability of ‘Fortune’ mandarin when applied just before or at fruit colour-break. Gibberellic acid (GA₃) also reduces the percentage of affected fruits, although with lower efficiency. However, GA₃ had no effect on cuticular water permeability. As GA₃ delays senescence and only partially controls peel-pitting, peel senescence may not be the unique factor involved in this physiological disorder. With the exception of peel resistance to puncturing, peel pitting and cuticular permeability, calcium nitrate did not affect fruit characteristics.

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