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Reduction of gray mold development in table grapes by preharvest sprays with ethanol and calcium chloride.

Chervin, Christian and Lavigne, Daniel and Westercamp, Pascale Reduction of gray mold development in table grapes by preharvest sprays with ethanol and calcium chloride. (2009) Postharvest Biology and Technology, vol. 5 (n° 2). pp. 115-117. ISSN 0925-5214

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Official URL: http://dx.doi.org/10.1016/j.postharvbio.2009.06.005

Abstract

Preharvest applications of a 16% ethanol (EtOH) solution, containing 1 % of calcium chloride (CaCl2), reduced gray mold development in ‘Chasselas’ table grapes picked at a late harvest date, the losses due to rotten clusters dropped from 15% in controls to 5% in grapes treated with EtOH+CaCl2. Then over a 6-week cold storage, the losses due to gray mold rots were reduced by 50% when storing EtOH+CaCl2 treated clusters, compared to untreated controls. Preliminary experiments had shown that a 2% EtOH solution was already inducing significant drop of gray mold growth. A range of concentrations up to 50% ethanol had been tested in preliminary trials without observing damages to the vines and clusters. The treatments did not induce significant changes to the fruit quality assessed by sensory analyses on healthy berries.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Postharvest Biology and Technology website : http://www.elsevier.com/wps/find/journaldescription.cws_home/503313/description#description
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Institut National de la Recherche Agronomique - INRA
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Other partners > Centre Technique Interprofessionnel des Fruits et Légumes - CTIFL (FRANCE)
Other partners > Centre d'Expérimentation Fruits et Légumes - CEFEL (FRANCE)
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