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New modes of action may help tackle pulse crop diseases

By: Kara Oosterhuis

November 18, 2020

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Looking back on the 2020 fungicide year — specifically in pulses — started out great for moisture; and with that moisture and humidity came the potential for a lot of disease.

As a follow up to Syngenta’s recent Media Summit, Kara Oosterhuis is joined by Rob Klewchuk, technical lead for Western Canada.

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“We seemed to have petered out on the moisture, and each crop had their own issues. Chickpeas has an unidentified disease, field peas had aphanomyces, in lentils, anthracnose was a big problem,” says Klewchuk. Everybody needs to evaluate ‘what was a problem on my farm’ and plan into 2021, accordingly, he adds.

Watch the full video to hear about some new Syngenta products that contain new active ingredients. Story continues below video.

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Focusing in on lentils, anthracnose was particularly bad. Saskatchewan Pulse Growers (SPG) reported a resistant strain of anthracnose to Group 11 fungicides and  Klewchuk says that surveys were done by Syngenta in the majority of southern Saskatchewan, where the resistance was found. The new active ingredient, and mode of action, in Syngenta’s Elatus fungicide product seemed to provide the proof of control of anthracnose in lentils.

Growers in this particular area might’ve been a bit disappointed with yields, but overall were happy with the quality of their pulses, says Klewchuk.

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Other diseases of concern this past year include a big of grey mould or botrytis in lentils, and aschocochyta blight complex (micosphaerella) in peas. Klewchuk advises scouting at early flowering to catch these diseases in time, so that the fungicide can get into the canopy before canopy closure.