June 26, 2018 By Fruit and Veg magazine
Health Canada’s Pest Management Regulatory Agency (PMRA) has released its decision on the re-evaluation of mancozeb and will continue registration only for foliar application to potato crops.
“All other uses of mancozeb are being cancelled due to unacceptable risks to human health and will be removed from the labels,” states a summary of the decision.
Foliar application on potatoes has been limited to 10 applications per year at a maximum application rate of 1.68 kg of active ingredient per hectare with a seven-day interval between applications and a one-day pre-harvest interval using aerial or ground spray only.
Product labels must be changed within 24 months. Registration of products being cancelled as a result of the review will expire 36 months after the release of the decision. Chemical companies have 12 months and retailers 24 months to sell old product.
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