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Quadris fungicide 90-day pre-harvest interval removed
May 27, 2014, Canada – The Pest Management Regulatory Agency (PMRA) has removed the 90-day pre-harvest interval (PHI) requirement from the Quadris flowable fungicide label for use on potato crops. This label change does not affect the established Canadian maximum residue limit (MRL) for azoxystrobin, the active ingredient in Quadris, on potatoes.
The label change allows producers to use Quadris in-furrow on their short-season varieties for added protection against some of the most damaging soil-borne potato diseases, according to a company press release.
Quadris is a Group 11, broad-spectrum, preventative fungicide with systemic properties, and can be used as an in-furrow treatment for protection against soil-borne pathogens of Rhizoctonia and silver scurf.
May 27, 2014 By Stefanie Croley
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