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Fireblight assist for woody rosaceae growers


January 29, 2013
By Dave Harrison

Jan. 29, 2013, Ottawa – Woody rosaceae ornamental growers have a new tool in the battle to suppress fireblight.

Jan. 29, 2013, Ottawa – Woody rosaceae ornamental growers have a new tool in the battle to suppress fireblight.

The Pest Management Regulatory Agency (PMRA) has approved Blossom ProtectTM (Aureobasidium pullulans strains DSM14940 and DSM14941) for first time registration in Canada.

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Uses approved on the first Canadian label are for the control of fire blight on bearing and non-bearing pome fruit, and for suppression of fireblight on woody rosaceae ornamentals (rose bushes).

In their review, PMRA concluded that Blossom Protect was statistically comparable to or better than other registered products for the management of fireblight in Canada.

Fireblight caused by Erwinia amylovora has been one of the most challenging problems for pome fruit and ornamental growers in Canada for many years. The registration of Blossom Protect will provide growers with a real alternative to currently used antibiotics, thus enabling effective resistance management and reducing pesticide risk.

This registration was facilitated by the Pesticide Risk Reduction Program (PRRP), which contributed to preparations for a pre-submission consultation meeting, provided advice on administrative and regulatory matters, and developed a bridging rationale for the inclusion of ornamental crops on the label.


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