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November 16, 2023

The Pest Management Regulatory Agency (PMRA) recently approved a minor use label expansion registration for KOCIDE 2000-O Fungicide for control of apple scab and fire blight on apples in Canada. KOCIDE 2000-O fungicide was already labeled for disease control on a wide range of crops in Canada. This minor use proposal was submitted by the Ministère de l'Agriculture, des Pêcheries et de l'Alimentation du Québec as a result of minor use priorities established by growers and extension personnel.

 

The following is provided as an abbreviated, general outline only. Users should be making disease management decisions within a robust integrated disease management program and should consult the complete label before using KOCIDE 2000-O fungicide.

 

Crop(s)

Target

Rate (kg / ha)

Application Information

PHI (days)

Apples

Control of Apple Scab

0.84 – 1.96

Make one application every 5-7 days starting application between silver-tip and green-tip. Apply as a full cover spray for early season disease suppression. Use the higher rate when conditions (site history, cultivar sensitivity, predictive model) favour disease progression. Apply using ground application equipment or airblast only. Note: Moderate to severe crop injury may occur from late application; discontinue use when green-tip reaches 1/2 inch. Do not exceed the maximum annual rate of 11.43 kg/ha.

2

Control of Fireblight

0.56 – 0.84

 

 

For a copy of the new minor use label your local tree fruit IPM specialist, your 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

 

Source:  Josh Mosiondz, minor use coordinator, OMAFRA November 16, 2023

 

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Submitted by Karen Davidson on 16 November 2023