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OCHRATOXIN A IN WINES FIRST PART: FACTORS FAVOURING ITS EMERGENCE IN VINEYARDS AND WINES

Jacques Rousseau – ICV Viticultural Manager

Mould development begins with veraison Numerous studies show that the Aspergillus species responsible for Ochratoxin A production can be found on the grapes from veraison onwards, and sometimes even as soon as setting. The moulds will develop most rapidly between veraison and maturation (see Figure 1). Ochratoxin A can be found on grapes one month before harvest. Studies conducted by ICV in 2001 with Cabernet Sauvignon have shown that Ochratoxin A traces could be found on grapes one month before harvest.
Published on 07/30/2004
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