Field Crop News

Field Crop News is an archive of information dedicated to the production of over 8.5 million acres of field crops in Ontario and a forum for which producers, researchers and industry personnel can share information and ideas. The crop technology team with the Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA), faculty at the University of Guelph and Ontario field crop producers continually work together to find ways to improve field crop production. The key learning and outcomes from these collaborations are captured at “Field Crop News”.

The news posts below are written by the Field Crop News team.

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OMAFRA Field Crop Report – July 20, 2017

Thursday, July 20, 2017

Cereals Winter wheat harvest has begun throughout southwest Ontario but intermittent rainfall has caused delays. Some farmers in Essex County have finished harvest and initial word is that the quality and yield of the crop has been good. Harvest progress is likely 7-10 days behind what was observed in 2016 but comparable to the 2015 season. Post-harvest weed management A...

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Crop Report – July 13, 2017

Thursday, July 13, 2017

Nutrient Deficiencies in Soybeans Leaf yellowing and slow growth is evident in many fields. Stressful growing conditions will amplify nutrient deficiency symptoms, insect feeding, and disease symptoms. When plants are already stressed it’s even more important to manage deficiencies wherever possible. Fortunately, weather conditions over the next four to six weeks are more crucial to seed development than the first...

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For Western Bean Cutworm – Timing is Key

Friday, July 07, 2017

I’m seeing a lot of pics on Twitter of recent WBC moth catches in traps, which I think is great.  The more people that are trapping, the more data we have to work with to determine when peak flight takes place and when scouting is required. But trap counts do not indicate if a spray is required in corn.  There...

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Crop Report – July 6, 2017

Thursday, July 06, 2017

Western Bean Cutworm Western bean cutworm (WBC) traps have been set on corn and dry edible bean fields across southern Ontario, and low numbers of moths are being caught. Traps are used to monitor moth activity (Figure 1.) and indicate when scouting is required, and are not intended to determine when to spray insecticide. Up to date trap capture data...

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Crop Report – June 29, 2017

Thursday, June 29, 2017

Diagnosing Early Season Soybean Diseases In Ontario, soybean seedling diseases and root rots are the second most important yield limiting diseases (Figure 1.) and this year is no different. Cool soil temperatures along with early rains in parts of Essex and Niagara resulted in a large number of soybean fields needing to be replanted and the significant rainfall recently has...

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Leafhopper Alert

Thursday, June 29, 2017

Despite the wet weather, potato leafhoppers (PLH) are thriving in many areas of the province. Hopperburn is evident in the second crop of alfalfa, though dry bean fields are also at risk, especially once insecticide seed treatments are no longer present in the plants.  Unfortunately, once hopperburn is noticed, yield and quality has already been compromised.  Though PLH-resistant varieties of...

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Crop Report – June 22, 2017

Thursday, June 22, 2017

Nitrogen Rate Decisions for Corn Split nitrogen applications in corn not only minimize risk of loss, but can also provide an opportunity to adjust rates based on rainfall, which is a key factor in corn response to nitrogen from year to year. Use decision support tools to help with your rate decision and don’t underestimate the value of long-term management...

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Mt. Forest Ag Breakfast Meeting Minutes – June 13, 2017

Wednesday, June 21, 2017

2017 Mt Forest Ag Breakfast Meeting Notes 2017-jun-13  General While still dealing with some impacts of wet and cooler conditions, almost all the crops are planted. Some areas may not get planted as persistent rains prevent that heavier ground from drying out. Consensus was that things looked way better than the previous meeting two weeks earlier. Beyond this region, there...

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Winchester Breakfast Meeting – June 20, 2017

Tuesday, June 20, 2017

Weather Overnight rainfall ranged from 1 to 10 ml in the region. From the 1st of May, the area has accumulated about 825 Crop Heat Units (CHU), which is only about 25 CHU behind normal. Heat this last week has brought us closer to normal. Long range forecast is for cooler temperatures, so less CHU accumulation in the coming weeks....

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Soybean aphids are here…but don’t panic

Tuesday, June 20, 2017

It has been a few years since soybean aphids have been noticed in fields this early in the season. This is in part, because many fields were treated with insecticide seed treatments and were assumed to be protecting the crop early in the season.  However, very recently published research across several US states has shown that the insecticide seed treatment...

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