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28% has become the preferred nitrogen source on winter wheat in Ontario. Application is perfectly uniform, something that seems difficult to achieve with most urea applications. However, leaf burn is one of the main problems with 28% applications, particularly at later stages of growth. With m... Continue reading
The first suspect cases this season of anthracnose have been reported in white beans. This is the time of year when we typically first begin to see symptoms and is a good reminder for the need to scout your fields through to leaf drop. Anthracnose is a potentially devastating seed-borne disease ... Continue reading
What do we know about this new disease Soybean Vein Necrosis Virus - click on the link SVNV bulletin gfo ncsrp and find out. We would like to thank the North Central Soybean Research Program and the Grain Farmers of Ontario for supporting OMAFRA participation in this publication as ... Continue reading
Either our own resident WBC populations did fine over the winter or the recent storm fronts brought in the bunch of moths from the US or a combination of the two. But reports are coming in that fields between Thamesville and Bothwell and near Rodney have reached threshold, well, sort of.
Wh... Continue reading
Root rot is becoming visually evident in many edible bean fields now that beans are entering a more rapid vegetative growth phase and will have a high demand for water and nutrients. Pounding rains, compaction, tillage pans, poor internal drainage and soil structure are common culprits for i... Continue reading
What is the best cover crop species to use following wheat and other crops harvested in late summer? Cover crops can help improve soil structure, protect the soil from erosion, feed soil life, suppress weeds, cycle nutrients, provide feed for livestock and much more. Cover crops are not a magic so... Continue reading
Forage yields have been quite variable across the province. Some areas have excess hay, while others are still rebuilding inventories. Quality is generally good. The weatherman got it wrong the weekend of July 19th and considerable acres of hay were cut and rain-damaged.
Summer Seeding Al... Continue reading
Authors: Jocelyn Smith and Andrea Hitchon, University of Guelph Ridgetown Campus
The time to start scouting corn for corn rootworm has arrived! There are a few important objectives for scouting for rootworm injury including: scouting can help protect yield, plan control measures for next year, ... Continue reading
We are starting our 2014 field survey for the new invasive insect pest, brown marmorated stink bug. In particular, we are looking for corn and soybean fields that meet the criteria below. We will scout for the pest within the first 30 rows of field (where we expect to first find the insect),... Continue reading
by Joel Bagg, Forage Specialist, & Bonnie Ball, Soil Fertility Specialist, OMAFRA
Sulphur (S) received from atmospheric sulphur dioxide emissions (acid rain) in Ontario has steadily declined by over 50% during the last 25 years. We are beginning to see yield responses in more situations w... Continue reading
Majority of edible beans are in late vegetative to early flowering. The crop in many areas looks excellent. Recent heavy rains and saturated soils raises the risk of white mould, anthracnose in white and black beans and root rot. Leafhopper populations have been low up to now.
Whi... Continue reading
This spring’s challenging planting conditions has resulted in quite a few of uneven canola stands with both reduced populations and delayed emergence. This has some growers weighing the merits of applying a fungicide this season. Sclerotinia incidence varies greatly between fields and year... Continue reading
Author: Jocelyn Smith, University of Guelph, Ridgetown Campus
Growers in the high WBC risk areas (sandy soils) saw heavy infestations of WBC in 2013 and many were surprised by the survival and amount of damage by WBC on Bt corn. Bt corn hybrids that express the Cry 1F insecticidal protein such as... Continue reading
Some first-cut horse hay is still to be made while many will start second-cut dairy haylage soon. Harvest schedules are delayed behind normal, especially in western Ontario. This may make taking a fourth-cut more difficult. Hay making weather has generally been good, but some hay has been rain-damag... Continue reading