Canola Watch – May 10, 2017

May 10, 2017

SENTINEL FIELDS: NEW CANOLA WATCH FEATURE FOR 2017

New for this year, Canola Watch will include observations from “Sentinel fields”. Each Canola Council of Canada agronomy specialist will have at least one field they scout regularly through the season.

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CANOLA WATCH QUIZ: 4 WEEDS TO ID

Can you correctly identify these four weeds? Three are fairly common. One may be unfamiliar to you.

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SEED FIRST OR SPRAY WEEDS? A SITUATION

A farmer is seeding Roundup Ready canola and the field has a lot of winter wheat volunteers and some perennials. Is the farmer better to seed or spray first?
Answer: In this situation, with Roundup Ready canola being able to take a glyphosate application up to the 6-leaf stage, the farmer may want to take advantage of good seeding conditions and seed, then spray as soon as possible after seeding. Reasons….

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PRE-SEED VOLUNTEER CANOLA CONTROL: BEFORE CANOLA, BEFORE OTHER CROPS

Volunteer canola is a weed and competes with the crop for nutrients and water and sunlight. Volunteers in a canola crop do not make a positive contribution to yield. Growers also have other reasons to get rid of them: Volunteers do not have seed treatment, so they can introduce seedling diseases and increase flea beetle pressure. Also, volunteers in non canola years provide a host for blackleg, clubroot and insects, reducing the effectiveness of crop rotation for managing these issues.

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SPRAYING IN THE POST-SEEDING, PRE-EMERGENCE WINDOW

If choosing to seed before spraying, weeds present will have a minimum five days — usually more — before the crop emerges. These weeds can advance very quickly in good conditions, which is why growers who seed before spraying may choose to apply in the narrow post-seeding pre-emergence window.

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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, is wind above 15 km/h. But we know that some operators will go with winds of 20 km/h and maybe a bit above.

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SEED RIGHT THE FIRST TIME

Taking time to seed right can improve seed survival and produce an even stand with top yield potential.

In early to mid May, when seeding is in full swing and conditions are good, growers can slow down and take their time. Canola growers have four good economic reasons to do so….

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CALCULATOR SETS TARGET STAND AND SEEDING RATE

The new has two tools to help growers set seeding rates and plant stands that match seed size, risk factors and estimated seed survival.

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SPRING-HARVESTED CANOLA: FEEDBACK

We’d like to know how spring-harvested canola worked out for you. Please take a moment to share your experiences and provide Canola Watch some feedback. Thank you.

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STORAGE TIPS FOR SPRING-HARVESTED CANOLA

Canola combined this spring has been coming off dry and cool. Should it go on aeration?

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MUDDY FIELDS AND CLUBROOT SPREAD

Those same moist fields that have delayed spring harvest as well as seeding in central Alberta (and some other regions) also mean more mud clinging to equipment. More mud means more clubroot spores riding along on tires and equipment frames. Though the time crunch is on, knocking off as much mud as possible will reduce clubroot spread. In these conditions, fields known to have clubroot spores should be worked last.

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UPCOMING EVENTS

canolaPALOOZA – Register now for June 20 in Saskatoon, June 22 in Portage la Prairie and June 27 in Lacombe.

Canola Week, including Canola Discovery Forum – Mark the calendar for December 5-7 in Saskatoon.

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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

You can subscribe to Canola Watch and search all the articles on the Canola Watch website

contact a Canola Council of Canada agronomy specialist

Upcoming Events

Alberta Crops Breakfast

Guest Speaker Den Gallimore on the Proposed Federal Tax Changes
Nov 9
Red Deer, Alberta

Powering Your Profits - Lacombe

Join Alberta Canola Director Mike Ammeter for a day of agronomy, marketing and management information
Nov 14
Lacombe, Alberta

Powering Your Profits - Vermilion

Join Alberta Canola Director Cale Staden for a day of agronomy, marketing and management information.
Nov 14
Vermilion, Alberta
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