2022 Disease Prevalence and Management Tools
2022 Update on Disease Surveillance in Soybeans, Peas and Dry Beans and On-Farm Fungicide Evaluation Results
Category: Soybeans
Declining Sources of Resistance to Phytophthora Root Rot in Soybeans and How to Manage It
SINCE the mid-1950s, many soybean growers across Canada have struggled with Phytophthora root rot (PRR), caused by the oomycete Phytophthora sojae. Once the disease is present in their fields, farmers must deal with it for a long time as surviving spores will persist in the soil for approximately 10 years.
Assessing Grasshopper Damage
Pest Species in Manitoba There are 85 grasshopper species in Manitoba, but only four have the potential to become crop…
Winter Rye Preceding Dry Beans and Soybeans
Overview of North Dakota research Greg Endres, NDSU Extension Cropping Systems Specialist, Carrington Research Extension Center, ND – Summer (June) 2021…
Insecticide Resistance in Soybean Aphids
John Gavloski, Entomologist, Manitoba Agriculture and Resource Development – Summer (June) 2021 Pulse Beat WITH ANY INSECT, pathogen or weed, repeated…
Late-Season Weed Scouting. So Many Questions.
It’s late summer. You’ve sprayed for weeds. Between now and harvest, there’s nothing left to watch for except insects and diseases, right? Not necessarily. Your weed control program doesn’t end when the sprayer pulls out of the last field.
2020 Foliar Disease Survey and On-Farm Fungicide Trial Results
Each year, a representative sample of soybean, field pea and dry bean fields are surveyed for root, foliar and stem diseases across Manitoba. Here are the results from the 2020 foliar and stem disease surveys and foliar fungicide results from the On-Farm Network.
Considerations for Dry Seeding Conditions
April 14, 2021 Manitoba is currently facing an early, dry spring. Seedbed preparation and planting have already begun for a…
2020 Update on the Status of Root Rots in Soybeans, Dry Beans and Peas
In 2020, 63 soybean fields, 40 dry bean fields and 46 pea fields were surveyed in Manitoba for root diseases.
Managing Kochia in Pulses and Soybeans
The status of herbicide-resistant kochia in MB, herbicide options in pulse and soybean crops and control goals.
Managing Herbicide-Resistant Weeds
This past July 2020, MPSG hosted a webinar featuring Dr. Charles Geddes, Research Scientist at Agriculture and Agri-Food Canada in…
Phytophthora Root Rot
About Phytophthora Phytophthora root rot (PRR), caused by Phytophthora sojae, is a root and stem disease specific to soybeans. Unlike…
WEBINAR: Managing Herbicide-Resistant Weeds in Soybeans
This webinar provides a recap of Manitoba-based research on volunteer canola management in soybeans and…
Late Soybean Seeding
Optimal vs. Late Soybean Seeding We now have extensive research results on soybean planting dates in Manitoba, including information on…
Soybean Reseeding
Determine the Initial Plant Stand Before you make any replanting decisions, the first step is to assess the existing plant…
How Natural Enemies Respond to Soybean Aphids During High- and Low-Aphid Years
Crystal Almdal and Alejandro C. Costamagna, Department of Entomology, University of Manitoba – Summer (June) Pulse Beat 2020 Soybean aphids…
Soybean Seed Depth Assessment
Recommended Seed Depth The optimal seed depth range for soybeans in Manitoba is 0.75–1.75 inches, no shallower and no deeper,…
Herbicide Options for Soybeans
Herbicide options for soybeans from the Guide to Field Crop Protection.
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