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Insect update: Lygus, bertha, leaf hopper
Check to see if lygus feeding is preventing crop from coming into flower. Bertha armyworm adults are mounting and larvae will start to hatch later this month. Leafhoppers are at…
Latest Issue | November 13 2024, Issue 27
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Rescue treatments unproven for hail remedy
Before trying any treatment on hail damaged fields, give the crop time to recover. It may recover nicely on its own, likely with later maturity but with a large percentage… -
Issues of the week
Canola fields are being assessed for sclerotinia stem rot risk, especially with decent moisture, dense canopies and good yield potential. We have tips this week on how to assess the… -
Second weed spray may not pay
Growers who usually spray twice may not need to spray a second time this year if the canopy has closed, weeds are behind the crop, and the recommended application window… -
How to assess the sclerotinia stem rot risk
Moisture is the key factor in sclerotinia stem rot risk. Good soil moisture and a few rains in the period starting two weeks before flowering and carrying through to infection… -
How to top dress N
When topping up with liquid fertilizer, the ideal is to apply when leaves are moist from early dew or a light rain so liquid nitrogen fertilizer runs off quickly. Applying… -
Insect update: Lygus scouting tips
Insecticide control at the bud stage is rarely effective or economical even when counts are 15-20 per 10 sweeps. Under good growing conditions, canola can grow through this early damage… -
Insect update: diamondback, weevil, cutworm, bertha, beneficials
Probably too early to spray cabbage seedpod weevil, diamondback continue feeding, bertha moth numbers are high in some regions, cutworms near the end but still active, and always think about… -
Hail reported, some severe
Canola hit with light to moderate hail at up to 20% flower may recover with only minimal to moderate yield loss. Plants will flower longer and compensate. More severe damage…
