The Pest Management Regulatory Agency (PMRA) recently announced the registration for Quash Fungicide for suppression of eastern filbert blight on hazelnuts.  Quash contains the active ingredient metconazole, a group 3 fungicide, and therefore provides Ontario hazelnut growers with a new resistant management partner as previously only two fungicide groups were registered on hazelnut, Groups M (Bravo and certain copper products) and 11 (Flint and Quadris).

The following is provided as an abbreviated, general outline only. Users should be making pest management decisions within a robust integrated disease management program and should consult the complete label before using Quash Fungicide.

Quash can be applied to hazelnuts starting at bud swell to bud break at a rate of 285 g/ha, at 10-14 day intervals, using a shorter spray interval when conditions are conducive to disease development.   Quash is most effective when applied and allowed to dry before a rainfall. Rotate applications of Quash with products from other fungicide groups (M and 11).  Do not make more than 4 applications of Quash per season.  Quash has a 25-day pre-harvest interval (PHI) and a 12-hour restricted entry interval.

Follow all precautions and detailed directions for use on the Quash label carefully.

For a copy of the new minor use label contact your local crop specialist, regional supply outlet or visit the PMRA label site http://www.hc-sc.gc.ca/cps-spc/pest/registrant-titulaire/tools-outils/label-etiq-eng.php