Causes of Defective Beans After dry bean harvest, producers may wonder what caused beans to become injured or discoloured. It is typically easier to observe the plants throughout the season and identify disease or insect injury on pods to better understand the resulting injury on the beans within the pods. However, bean injury may have […]
There are a few pests to keep an eye on over the next few weeks. Western Bean Cutworm We likely reached peak moth flight either last week for most of the southern counties or this week for the rest of the province, except Northern Ontario, based on the Degree Day Prediction Model and trap counts […]
Corn Pests to Watch for Over the Next Month Tracey Baute, Entomologist – Field Crops, OMAFA Corn Rootworm Like many other pests, corn rootworm (CRW) is ahead of schedule this year. Adult beetles will be emerging this week or next. Anyone considering trapping for adults as part of the Corn Rootworm Trap Network should be […]
The Great Lakes and Maritimes Pest Monitoring Network (GLMPMN) website has been upgraded and has a new permanent link: https://experience.arcgis.com/experience/7164d23d488246d198dcf7a07d8c9021 Please bookmark this new link and use it going forward to enter any trap sites and trap data. The same link should work well for both desktop browsers and mobile devices. Everything is still the […]
A few pests are starting to show up in fields. If you haven’t had a chance to take a look yet, plan to check those high risk fields that are prone to seeing soybean aphids (soybeans) or western bean cutworm (corn and dry beans) in the next week or so. Soybean aphids: Soybean aphids are […]
Some popular insecticides won’t be available for use in field crops in Ontario in 2023. All products containing lambda-cyhalothrin including Matador, Warrior, Silencer, Labamba, Voliam Xpress and Endigo will be limited for use to only horticulture crops in eastern Canada this year. The Pest Management Regulatory Agency (PMRA) re-evaluated lambda-cyhalothrin and end use products in […]
Western bean cutworm traps catches are starting to increase but are still low compared to previous years with more weeks of moth flight (and egg laying) to come. Those finding eggs in early tassel stage need to wait before spraying since eggs are still going to be laid for another few weeks. It is better […]
Calling all GLMPMN Trap Participants! Please find below the instructions on how to set up a trap in your field and where to get the trap supplies for reach pest that you are monitoring. Not, each pest requires a specific trap type and lures as indicated in each of the instructions below. Once you have […]
We have revised the Canadian Bt Corn Trait Tables to reflect the current potential cross resistance of corn rootworm in Ontario to all Bt-RW proteins. Here are the latest versions: English: Bt Corn Trait Table (October 2020) with Events and Resistance Status French: Tableau des caractères Bt (Octobre 2020-Français) – Évènements transgéniques et résistances For information on […]
Here is the latest update on where the trap catches are for western bean cutworm in the region based on trap site data entered into the Great Lakes and Maritimes Pest Monitoring Network. Peak flight for Ontario and most other states and provinces on the network (except Michigan) occurred during Week 11 (Aug 3-9) (see […]
Before I talked about the WBC trap data, I want to thank everyone who set up a trap this year and are entering their data into the network. Despite COVID-19, there are more than 1000 WBC traps in the system! That is a record and helps us figure out what the flight patterns are. Now […]
For detailed instructions on how to upload your Western Bean Cutworm (WBC) trap counts to the Great Lakes and Maritimes Pest Monitoring Network, please view this 5 minute video. The Great Lakes and Maritimes Pest Monitoring Network Dashboard mentioned in the video can be found HERE. See also: 2020 Great Lakes and Maritimes Pest Monitoring […]
It is still too early to predict what western bean cutworm (WBC) might do this year but to help prepare, we have updated the WBC infosheets for 2020. 2020 WBC Infosheet for Corn 2020 WBC Infosheet for Dry Beans WBC activity was delayed in 2019, in step with the delay in growing degree day (GDD) […]
Recent scouting efforts and grower calls indicate that corn earworm (CEW) are present in Ontario corn fields this fall, some at pretty high levels (Figure 1). Late planted fields are the most at risk, as CEW moths typically don’t blow in from the US until later in the summer and prefer to lay their eggs […]
Cereals Winter wheat harvest progress is around 7-10 days ahead of last year. Given the relatively dry summer, early reports of yield have been average to below average although crop quality has been respectable. Post-harvest weed management A significant amount of annual weed seeds can be produced and dispersed after wheat harvest if the ground […]