New product registrations for 2016

Eugenia Banks, OMAFRA
November 10, 2015
By Eugenia Banks, OMAFRA

Nov. 10, 2015 – It is never too early to find out about the new crop-protection products, reminds Eugenia Banks, potato specialist at OMAFRA, in her latest potato update.

These new products were recently registered and should be available for the 2016 season. Here is a list of pesticides, some with new active ingredients:

Trade name Application method Disease or insect
Aprovia
(Syngenta) Group 7
In-furrow *Suppression of Rhizoctonia stem canker, stolon canker and black scurf
Sercadis 
(BASF) Group 7
Foliar and aerial Control of early blight and white mould.
Use of a non-ionic surfactant is recommended
Sercadis 
(BASF) Group 7
In-furrow

Control of Rhizoctonia canker

Voliam Express
(Syngenta)
Group 3A and 28
Foliar

Control of black curworm, variegated cutworm, armyworm, potato psyllid
Active ingredients: pyrethroid + diamide

Agri-mek SC
(Syngenta) Group 6
Foliar

Control of potato psyllid and spider mites (not a pest in Ontario)

Control is at least 85 per cent control
*Suppression is 65 to 85 per cent control
"May provide some control" is less than 65 per cent control.

There are also label changes to some registered products. For instance, the label of Rampart (phosphite) has been expanded to a foliar application for suppression of late blight and pink rot. In general, any product that suppresses late blight should be tank mixed with a compatible control product. A better approach would be to tank mix two compatible control products. If the weather is favorable for late blight, this disease can explode and devastate potato fields very quickly.

There are new registrations for potato psyllids. This tiny insect is the vector of the bacterium that causes zebra chip. This past season, I placed several yellow sticky cards in three Alliston fields to monitor for potato psyllids, but no potato psyllids were caught on the cards. In the past, this insect has been reported in British Columbia, Alberta, Saskatchewan and Quebec. Psyllids were found in Ontario a few years ago, but only in a greenhouse, not in the field. It is always good to have registered products available for the control of potential pests. There will be more updates to come as new products are registered. 

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