Canola Watch – September 5, 2019

September 5, 2019

CANOLA WATCH QUIZ – THIS WEEK IN AGRONOMY

Four questions about hot topics in canola agronomy this week.

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SWATHING EARLY: ECONOMICS

Canola fields swathed at 60% seed colour change (SCC) on the main stem can yield 8% more than fields swathed at 30% SCC. Run yield and profit scenarios for your own canola.

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HOW TO MANAGE (CONTAIN) A PATCH OF CLUBROOT

If you find a patch of canola plants with clubroot galls, take action now to contain it. This is especially important (1) if clubroot is new to the farm or (2) if the field is seeded to a clubroot-resistant (CR) variety and the patch could have a new pathotype that you need to contain.

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PREVENT WEED PATCHES FROM SETTING SEED

These weed patch cut-arounds are easy to do when straight combining. The key is to destroy those patches with a mower or cultivator before they set seed.

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DISEASE ID TIPS FOR PRE-HARVEST SCOUTING

Clear patches of canola plants that are yellowing prematurely could be diseased. These are obvious places to start a pre-harvest disease survey. Clubroot continues to spread into new areas, so this disease is one possible cause – even in fields with a clubroot-resistant variety. In addition to the obvious patches, check a few random areas in the better producing parts of the field.

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WHAT ARE THOSE GEESE EATING?

Fields that attract a lot of geese this time of year could be fields with a lot of harvest losses. Are your harvest losses so high that you’re attracting geese?

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BERTHA SPRAYING AND PRE-HARVEST INTERVALS

A full-fledged bertha armyworm outbreak continues in the Peace region. Continue scouting, noting that fields at thresholds can be right beside fields with low counts.

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PODCAST: CHINA UPDATE WITH JIM EVERSON AND RICK WHITE

Host Jay Whetter gets an update on Canadian canola trade with China from Jim Everson, president of the Canola Council of Canada, and Rick White, CEO of the Canadian Canola Growers Association.

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MISSING PODS? HERE ARE 7 COMMON CAUSES

Missing pods can result from a list of common factors, including heat and drought and insects.

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WANT TO BETTER UNDERSTAND THE INSECTS, DISEASES AND WEEDS IN YOUR FIELDS?

Then join us at Canola Discovery Forum, November 13-14 in Winnipeg. The program this year features an integrated pest management (IPM) theme.

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ODD POD CARNAGE COULD BE BIRDS

Hungry birds recognize the food value of ripening canola and target these riper pods.

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Canola Watch is a free, unbiased, timely and research focused weekly newsletter from the Canola Council of Canada Crop Production Team

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