Canola Watch – May 16, 2018

May 16, 2018

CANOLA WATCH QUIZ – FLEA BEETLE THEME

Test your flea beetle knowledge with these five questions.

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HOW DEEP IS TOO DEEP TO SEED CANOLA?

1.5” may be as deep as you want to go. If moisture is at 3”, for example, that is a long way for a small canola seedling to stretch.

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WHY LIMIT SEED-PLACED FERTILIZER?

Generally, small-seeded crops such as canola are more sensitive to seed-placed fertilizer, especially nitrogen and potassium.

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MAP OF THE WEEK

This map shows percent of average precipitation for April 1 to May 16, 2018. Areas in red have less than 40% of average.

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SENTINEL FIELDS: BLACKLEG ON RESIDUE AT ENCHANT, AB

It was too early to do emergence counts, but I did manage to find some blackleg pycnidia on canola residue from 2016. We will have to keep an eye out for the disease this year.

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TIPS FOR SPRAYING WEEDS IN DUSTY CONDITIONS

Dusty conditions are common in spraying, and in dry springs they are often associated with a further challenge – drought-stressed plants. There is no magic cure for these problems, but Tom Wolf provides these guidelines….

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TIPS FOR SPRAYING IN THE WIND

How do you spray weeds in a timely fashion when every day seems too windy? Too windy, according to the Guide to Crop Protection, can be product specific but is generally above 15 km/h. Here are tips to improve performance and limit the drift risk in wind….

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DRY TODAY DOESN’T MEAN “TILL” TOMORROW

Soil erosion poses a significant threat to the sustainability of crop production throughout the world. So next time you take out the tillage equipment, ask yourself why?

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SPRING FROST: TAKE A FEW DAYS TO ASSESS THE SITUATION

Growers have two common questions after a spring frost:
1. Did the crop survive? (Do I need to reseed?)
2. When can I resume weed control?

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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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