CALCIUM NITRATE FOLIAR SPRAYS IN THE RIPENING AND CHILLING INJURY OF ‘FUERTE’ AVOCADO

In order to study the effect of calcium on post-harvest of avocado fruits, cv. Fuerte trees were sprayed with Ca(NO3)2 at 0, 0.3 y 0.5 %. Six pre-harvest applications were performed from 4 May 2001, harvest was carried out on January of 2002, once fruits were harvested, they were stored at room temperature and at 5 °C for five weeks, making evaluations at 0, 3 and 5 weeks. The results obtained indicated an increase in skin and pulp calcium content of avocado fruits treated with calcium nitrate. Pre-harvest applications of calcium nitrate at 0.3 and 0.5 % improved fruit firmness and reduced fruit weight loss when compared to the control; likewise there was a decrease in CO2 , ethylene and cold damage.

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Revista Chapingo Serie Ciencias Forestales y del Ambiente es publicada bajo una Licencia Creative Commons Atribución-NoComercial-SinDerivadas 4.0 Internacional.

Electronic ISSN: 2007-4034
Print ISSN: 1027-152X

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