J. Chaput, OMAFRA, Minor Use Coordinator, Guelph
The Pest Management Regulatory Agency (PMRA) recently announced the approval of a minor use label expansion for QUADRIS Flowable Fungicide (azoxystrobin) for suppression of Alternaria leaf spot on cabbage in Canada. Alternaria leaf spot has been a common and troublesome disease of cabbage for many years in most parts of the world where cabbage is grown. Quadris fungicide was already labeled for management of a variety of diseases on a range of crops in Canada.
The following is provided as a general outline only. Users should consult the complete label before using Quadris Flowable Fungicide.
For suppression of Alternaria leaf spot on cabbage, apply 1.12 L per hectare of Quadris in a minimum spray volume of 95 L water per ha. Begin applications prior to disease development and apply at 7 – 14 day intervals. Do not use more than 3 applications per season and do not apply less than 1 day before harvest of cabbage.
Quadris fungicide should be used in an integrated pest management program and in rotation with other management strategies. Follow all other precautions and directions for use on the Quadris fungicide label.
We wish to acknowledge the personnel of Syngenta Crop Protection Canada Inc. for their support of these registrations and the personnel of the Pest Management Regulatory Agency for evaluating and approving this important pest management tool. For copies of the new supplemental label for cabbage contact Marion Paibomesai, OMAFRA, Guelph (519) 826-4963, Jim Chaput, OMAFRA, Guelph (519) 826-3539 or visit the Syngenta Canada website at http://www.syngenta.com/country/ca/en/Pages/home.aspx.
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