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Phytophthora Root Rot in Soybeans
Phytophthora root rot (PRR) is a soil-borne root and stem disease of soybeans caused by Phytophthora sojae. Unlike other root rot pathogens, P. sojae may infect soybeans at any growth stage. P. sojae is an oomycete pathogen, also called a water mould, that may remain dormant in the soil for several years. Infection of plants…
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Aphanomyces Root Rot in Peas
Download as a PDF or read the content below. Aphanomyces root rot, caused by Aphanomyces euteiches, is the most destructive pea disease in Western Canada. Aphanomyces is an oomycete pathogen, also called a water mould. Dormant, resting oospores of this disease are incredibly resilient and can survive in soil for more than 10 years. Genetic…
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2022 Disease Prevalence and Management Tools
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Field Pea Insect and Disease Identification Guide
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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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Fine-Tuning Management of Dry Bean Diseases
Jonathan Reich and Dr. Syama Chatterton, Lethbridge Research and Development Centre, Agriculture and Agri-Food Canada – Summer (June) 2021 Pulse Beat PREDICTING WHITE MOULD OUTBREAKS IN DRY BEAN FIELDS Disease forecasting models have been hugely successful for some crops and diseases, with benefits including increased yields and reduced fungicide use. However, some plant diseases have…
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2020 Foliar Disease Survey and On-Farm Fungicide Trial Results
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Fungicide Decision Worksheet for Managing Mycosphaerella Blight in Field Peas
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2020 Update on the Status of Root Rots in Soybeans, Dry Beans and Peas
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Faba Bean Insect and Disease Scouting Calendar
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Aphanomyces Root Rot
Dr. Syama Chatterton, Plant Pathologist, Lethbridge Research Centre, Agriculture and Agri-Food Canada – Fall/Winter (December) Pulse Beat 2020 Aphanomyces root rot is historically the most destructive disease of peas. Although reported in Manitoba for the first time in 1997 and into the early 2000s, it has recently made a resurgence and was reported in Saskatchewan…
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Phytophthora Root Rot
About Phytophthora Phytophthora root rot (PRR), caused by Phytophthora sojae, is a root and stem disease specific to soybeans. Unlike other root rot pathogens, PRR can infect soybeans at any development stage. It is an oomycete pathogen, also called a water mould, that can remain dormant in the soil for at least four years. Infection…
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Faba Bean Pest Management
Weed Control Early-season weed control is important for faba beans, as they are relatively poor competitors. Reduced plant emergence under dry conditions, for example, can further reduce competitive ability of the crop. Tips on weed control in faba beans: Use pre-plant herbicides to improve early-season competition and avoid the need for broadleaf weed control in-crop.…
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Soybean Cyst Nematode: A potential threat to dry beans
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Dry Bean Insect and Disease Scouting Calendar
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Field Pea Insect and Disease Scouting Calendar
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Foliar Fungicide Decision Making in Dry Beans
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Dry Bean Foliar Diseases
Common Bacterial Blight (Xanthomonas campestris) Infection of common bacterial blight (CBB) occurs through natural leaf openings or wounds created by hail or other environmental damage. It first appears as water-soaked spots on the underside of leaflets. Lesions eventually coalesce and become necrotic, surrounded by a yellow halo. Pod symptoms include circular, water-soaked spots with yellow…
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