While out scouting this week, you might come across a few scenarios like these. The detailed answers will provide some good agronomy tips.
Adult trap counts show a few potential hot spots for larvae feeding, but numbers can be quite different field to field. Check each field!
Scout lygus at late flowering and podding stages using a standard insect sweep net of 38 cm (15″) diameter. In moist and high-yield conditions, new research suggests the economic threshold is quite a bit higher than what the tables would indicate.
This article provides brief explanations and links to answer these questions:
Will the crop need a pre-harvest aid?
What to look for with a pre-harvest disease survey?
How to get bins ready for canola?
How to prepare the combine for straight cutting?
What tools are needed to measure losses?
Canola growers who straight cut or wait for 60 per cent seed colour change on the main stem to swath can potentially maximize both yield and quality.
Growers and agronomists can use the Keep it Clean Spray to Swath Interval Calculator at spraytoswath.ca to plan pre-harvest spraying.
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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