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Category: Soybean Diseases

DB Diseases, FP Diseases, Soybean Diseases

2022 Disease Prevalence and Management Tools

2022 Update on Disease Surveillance in Soybeans, Peas and Dry Beans and On-Farm Fungicide Evaluation Results

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Pulse Beat Individual Articles, Soybean Diseases

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.

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DB Diseases, FP Diseases, Pulse Beat Individual Articles, Soybean Diseases

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.

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DB Diseases, FP Diseases, Pulse Beat Individual Articles, Soybean Diseases

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.

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Soybean Diseases

Phytophthora Root Rot

About Phytophthora Phytophthora root rot (PRR), caused by Phytophthora sojae, is a root and stem disease specific to soybeans. Unlike…

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Pulse Beat Individual Articles, Soybean Diseases, Soybeans

Resistance to Phytophthora Root and Stem Rot in Soybean

Race-specific resistance (Rps geners) and partial resistance (field tolerance, quantitative resistance) to Phytophthora.

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DB Diseases, FP Diseases, Soybean Diseases

Scouting for Early Season Diseases

Seedling Disease/Root Rot The terms “seedling disease” and “root rot” generally refer to the root rot complex that can infect…

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Soybean Diseases

Soybean Foliar Diseases

Tips on identification and management of foliar diseases in pulse and soybean crops.

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Soybean Diseases

Soybean Stem Diseases

Stem and root diseases can have a greater impact on soybean yield and quality than foliar diseases. Stem disease symptoms…

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News, Pulse Beat Individual Articles, Soybean Diseases

Soybean Cyst Nematode

The presence of Soybean Cyst Nematode has been confirmed in Manitoba.
Preventative action, early detection and timely management are key in avoiding significant yield loss from SCN.

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News, Pulse Beat Individual Articles, Soybean Diseases

Survey of Soybean, Field Pea and Dry Bean Root Rots in Manitoba

Root rot symptoms are often overlooked by farmers seeking to identify the cause of under performance in a crop.

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News, Pulse Beat Individual Articles, Soybean Diseases, Soybean Insects, Soybean Seeding

Soybean Seed Treatments: Assessing Your Risk

The following risk assessment was developed to help farmers and agronomists identify where seed treatments are most likely to be beneficial by describing the factors that influence soil insect populations and fungal pathogens.

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DB Diseases, FP Diseases, Soybean Diseases

Root Rot Complex – Symptoms and Management

The root rot complex affects soybeans and pulse crops. This resource describes symptoms and management options.

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Soybean Diseases, Soybean Insects, Soybean Production Resources

Soybean Insect and Disease Scouting Calendar

A timeline that indicates when to scout for soybean insect and disease pests, and their impact on production and quality.

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Soybean Diseases, Soybean Insects, Soybean Production Resources

Soybean Insect and Disease Identification Guide

A visual guide to soybean insect and disease pests in Manitoba.

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Soybean Diseases, Soybean Production Resources

Soybean Seed Treatment Risk Assessment

Pests to consider, recommendations and research results for seed treatment use in soybeans.

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