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  • An overall strategy to reduce the risk of Alternaria infection/contamination and the risk of (myco)toxin accumulation in the production chain of organic carrots and carrot containing products

An overall strategy to reduce the risk of Alternaria infection/contamination and the risk of (myco)toxin accumulation in the production chain of organic carrots and carrot containing products

The critical control points in the organic production chain of carrots and carrot-derived products were determined. An overall strategy, based on these critical control points and the useful tools developed under the project for controlling Alternaria, was devised, aimed at the reduction of the sources of contaminants in the production chain of organic carrots. The result is a short manual, consisting of 2 flow diagrams of the production process with the critical control points, accompanying explanations, and 2 decision tables. The decision tables show for each step in the production chain information on the recommended production system, what kind of preventive measures may be taken, the necessary monitoring actions, the interpretation of the monitoring results (including proposed threshold levels), and the recommended actions that should be taken based on the outcome of the monitoring. This instruction manual can be used by (organic) carrot growers and carrot breeders/seed producers. It contributes to the overall goal of the project to minimise the risk of introducing Alternaria and its toxic metabolites in the organic production chain of carrots and carrot-derived products. Implementation of the results should lead to a better supply of high-quality organic carrot seeds for organic farmers, thereby closing the organic production cycle and guaranteeing a better harvest of the organic produce. The results can also be applied in conventional seed production systems, thereby reducing the amount of fungicides used to chemically control the disease.

Reported by

Plant Research International
Droevendaalsesteeg 1
6708 PB Wageningen
Netherlands
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