First cut took place on most of the forage acres in southern Ontario. Though this is an effective way to manage alfalfa weevil, this year the larvae were quite small at the time of cutting. I’m concerned that the larvae still present will finally be entering the most damaging stages of third and fourth instars […]
Planting conditions have been good in many parts of the province; however, there are some areas that have been too wet, resulting in delayed planting. Areas affected include the heavy clay soils in Essex, Chatham-Kent, Lambton, Elgin, Haldimand and Niagara. Corn, soybean and canola planting have also been delayed in many parts of northern Ontario […]
There have been many reports of cereal leaf beetle adult activity over the last few weeks. Adults do some feeding but also lay eggs that give rise to the real issue – cereal leaf beetle larvae. Eggs will be hatching within the next week or so. With daily growing degree days accumulating more quickly than […]
Two more pests deserve our attention over the next month. Cereal leaf beetle (CLB) is starting to show up in some fields in Ontario. Levels are still low but both adults, eggs and/or larvae are being found by scouts at various locations during routine scouting trips. A few locations tend to experience a higher frequency […]
Cereal leaf beetle is starting to show up in some fields in Ontario. A few locations tend to experience a higher frequency of infestations including fields near Dresden, Bolton, Stayner, Seaforth, and Clinton. But this does not mean that other fields in Ontario are not at risk. Cereal leaf beetle (CLB) adults are beetles with […]
Two pests that are starting to appear in Ontario fields include cereal leaf beetle and alfalfa weevil. Cereal leaf beetle: Both adults and larvae can cause damage by chewing long strips of tissue between the leaf veins, though most of the damage is done by the larvae in June. The larvae look somewhat like slugs […]
Low levels of armyworm, cereal leaf beetles and grass sawflies have been spotted in various wheat fields over the last week. Scout to make sure these don’t get out of hand. With any of these, protecting the flag leaf is most important. Armyworm and grass sawflies clip the wheat head off too. Armyworm feed at […]
The weather is certainly warming up and it looks like the forecast is for more of the same. Things are getting busy and I’ve got a few things to talk about this week. The first is the start of the Western Bean Cutworm Trapping network. Traps should be set up this week and the data […]
It was a busy weekend for pest activity. Flea beetles in canola continue to be a problem in some areas of the province, particularly Owen Sound, New Liskeard and Meaford. This hot weather is ideal for them to get ahead of the crop. Scout frequently to determine if thresholds have been reached. The Ontario […]
Leanne Freitag (of Cargill) informed me this afternoon of some cereal leaf beetle activity in the Clinton area. Adults and eggs were easily found recently and larvae are expected to be feeding soon. Given that the wheat is already near or in the boot stage, it is very important to protect the flag leaf from […]
Ohio colleagues report finding cereal leaf beetle adults and eggs in wheat at various locations there. Ontario usually sees a few hot spots with CLB infestations around the same time that Ohio does so be on the look out. Best way or worst way to scout, depending on who does your laundry at home, is […]