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Lygus bugs: Thresholds and scouting tips
In very dry conditions: Threshold tables for lygus indicate that if canola is $12 per bushel and spray costs $8 per acre, the threshold at the early pod stage is…
Latest Issue | November 13 2024, Issue 27
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How late can you top dress fertilizer?
The ideal time for a sulphur top up is any time before flowering, but a top up at early flowering may pay off if plants are showing signs of sulphur… -
Canola Watch quiz – Sclerotinia spray decision
Five questions that could help with your sclerotinia spray decisions… -
Map of the Week – Rainfall before flowering
Soil moisture and rainfall leading up to flowering is an indicator of sclerotinia stem rot risk. Rain in this pre-flower period will have apothecia emerging and spore release occurring around… -
The sclerotinia spray decision: Moisture scenarios
The decision to spray or not spray fungicide to limit sclerotinia stem rot is rarely easy. Consider the following three scenarios as you assess the risk situation this year… -
Sclerotinia stem rot timeline for infection
The timeline from when sclerotia in the soil first take on moisture, to apothecia germination, spore release, petal infestation, petal drop and finally canola plant infection takes up to three… -
Watch for suspicious weed patches (kochia angle)
With herbicide applications winding down, this is a good time to scan fields for suspicious weeds that escaped the management effort. The photo from Tammy Jones shows glyphosate-resistant kochia… -
Late herbicide: Is it worth it?
Too windy. Too wet. Sometimes both. This pushed back a lot of weed management and some fields are still not sprayed. In this situation, intense weed pressure can reduce yields… -
Blackleg, foot rot or cutworms
These can be hard to tell apart sometimes. Pinched or otherwise damaged-looking stems can occur with all three. Here’s how to tell them apart…
