Friday, December 15, 2017

Growers reminded of CIPC reduction for this season

November 1, 2016 by  
Filed under Crops

PotatoStoreFog

Potato growers and contractors are being reminded of a new dose rate limit for stored potato crops this season.

This change is part of the gradual annual reduction in the total permitted CIPC dose, and is a core component of the CIPC stewardship process. The new rates are down from the previous level of 30g/tonne for fresh potatoes and 50g/tonne for processing potatoes.

The reduction has been initiated by the Potato Industry CIPC Stewardship Group – the steering group including companies holding the approvals for formulations – with a view to retaining access to CIPC treatments.

Adrian Briddon, of Sutton Bridge Crop Storage Research, said he hoped the reduction would maintain the status of zero exceedances observed in statutory testing in the last two years and help preserve the availability of this vital sprout suppressant.

“The new rates have been proven to be effective, so long as it’s evenly distributed and applied at the right time,” said Mr Briddon.

This is expected to be the penultimate label change before the 2017 five-yearly formal review. “After this review, any store that requires a CIPC application must have an appropriate fan system installed to facilitate the active recirculation of air within the store.”

Producers should plan ahead and have stores ready for this change, said Mr Briddon. “Investing in the equipment sooner rather than later will not only save you time next year, it will also reduce the volume of chemical required, therefore paying for itself within a year or two.”

Growers should also carry out a BE CIPC Compliant Store Check prior to making a treatment, added Mr Briffon. This uses a ‘traffic light’ system, which would help to inform their decisions on whether to apply CIPC.

“Green means it’s good to go ahead with an application, amber highlights an area of concern and red shows a problem that must be addressed before application,” Mr Briddon explained.

“Even though the last exceedance of the MRL for CIPC, in statutory testing, was observed over two years ago, we must ensure that the industry works together and adheres to the new guidelines in order for the product to remain available on the market.”.

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