Reading Time: 2 minutes Have you ever had a dry bean crop that looked healthy but resulted in disappointing yields? Have you seen stunted or yellowing patches, but could not identify the cause? If so, you may want to look for soybean cyst nematode (SCN). Researchers in Ontario and the U.S. have shown that SCN is not just a […] Read more
Pest Patrol: Soybean cyst nematode in edible beans
#PestPatrol with Mike Cowbrough, OMAFRA
PHOTOS: Pest Patrol: Reining in dog strangling vine
#PestPatrol with Mike Cowbrough, OMAFRA
Reading Time: 2 minutes Q: I’m seeing a weed called dog strangling vine along roadsides, in woodlots and creeping into agricultural fields. It seems quite invasive. How do I get rid of it? A: Your suspicions are correct. Dog strangling vine is invasive and is listed as a noxious weed under the Ontario Weed Control Act, and regulated as […] Read more
Pest Patrol: New herbicide names may not mean new chemistry
#PestPatrol with Mike Cowbrough, OMAFRA
Reading Time: 3 minutes Q: Do I have new opportunities in weed control in 2018? A: This is the question I’ve been asked a lot this past winter meeting season, and one I always struggle to answer. There are some legitimately promising concepts being tested such as robotic weeders (Figure 1 at top) and weed seed destruction tools, but […] Read more
PHOTOS: Pest Patrol: Dealing with hemp dogbane
#PestPatrol with Mike Cowbrough, OMAFRA
Reading Time: < 1 minute Q: I’ve been battling hemp dogbane in my soybean fields. It produces a milky juice that can stain my beans. What can I do to knock back the top growth so it won’t affect crop quality? A: It’s good that your expectations are for top growth control of hemp dogbane (see figure 1), since it’s […] Read more
Pest Patrol: Tackling prostrate knotweed on today’s farms
#PestPatrol with Mike Cowbrough, OMAFRA
Reading Time: 2 minutes Q: How do I get rid of prostrate knotweed in each of my major crops? A: In Ontario, prostrate knotweed is more frequently found in Huron County and on Brookston clay-loam soils under no-till or minimum-till production systems (Frick, 1990). It can thrive in compacted soils where other plants will struggle to grow well. Below […] Read more
Pest Patrol: Dealing with willowherb
#PestPatrol with Mike Cowbrough, OMAFRA
Reading Time: 2 minutes Q: I’ve noticed small patches of a plant that was identified as “northern willowherb” in some of my fields. It seems tolerant to glyphosate. How do I control this before it becomes a bigger problem? A: This perennial weed has traditionally been found along roadsides and waste areas. In the last five years, more farmers […] Read more
Pest Patrol: Dealing with cleavers
#PestPatrol with Mike Cowbrough, OMAFRA
Reading Time: 2 minutes Q: I had a field of winter wheat with cleavers in it and it was a pain. What is the best way to get rid of this weed in winter wheat? A: I can’t think of a redeeming quality for cleavers, although apparently the fruit is considered one of the best substitutes for coffee (Malik […] Read more
Pest Patrol: Control of Canada fleabane
#PestPatrol with Mike Cowbrough, OMAFRA
Reading Time: 2 minutes Q: Canada fleabane has shown up in various places on our farm this year. I assume it is glyphosate resistant. Do I have any other options for soybeans other than Xtend beans? A: Yes, research conducted by the University of Guelph (Ridgetown Campus) has shown that the addition of Eragon LQ (30 ml/acre) + Sencor […] Read more
Pest Patrol: Controlling wild carrot in no till
#PestPatrol with Mike Cowbrough, OMAFRA
Reading Time: 3 minutes Q: I am a long-time no tiller. I have a problem with increasing populations of wild carrot, mostly in my (conventional) soybean fields. This year in Roundup Ready corn, I have applied up to three litres of Transorb 540 and still have green carrot at harvest-time. What is the solution? Do I need to do […] Read more
Pest Patrol: Dealing with jimsonweed
#PestPatrol with Mike Cowbrough, OMAFRA
Reading Time: 2 minutes Q: What weed is this, and how do I get rid of it? A: The weed in the picture (Figure 1 above) is jimsonweed (i.e. Datura stamonium), a member of the nightshade family. According to the Canadian Poisonous Plants Information System, jimsonweed “contains toxic tropane alkaloids, which have caused poisoning and death in humans and […] Read more