Crop & Pest Report

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Plant Pathology

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Fusarium Head Blight (FHB) Risk (06/22/17)

Fields in southwestern ND are heading or near flowering, but due to the dry conditions, scab risk is very low for this area of the state.

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Wheat Leaf Disease Update (06/22/17)

The IPM scouts visited 93 wheat fields last week and the most common disease detected was tan spot (observed in 23% of the wheat fields).

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Managing Cercospora Leaf Spot of SugarbeetManaging Cercospora Leaf Spot of Sugarbeet

Cercospora leaf spot (CLS) is the most damaging leaf disease of sugarbeet in North Dakota and Minnesota.

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Fusarium Head Blight Risk (06/15/17)

Winter wheat is flowering or near flowering and some spring wheat fields are starting to head.

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IPM Survey – Wheat Disease Update (06/15/17)

The IPM scouts visited 127 wheat fields and 18 barley fields. Spring wheat growth stages varied from tillering stages to heading.

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Sclerotinia Risk Map and Risk Calculator will begin June 18th (06/15/17)

The first Sclerotinia risk map for the 2017 season will be available on June 18th.

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Fusarium Head Blight (Scab) Risk (06/08/17)

A few winter wheat fields have headed in the state and will be approaching flowering soon.

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IPM Survey – Wheat Disease Update (06/08/17)

The IPM scouts visited 153 wheat fields in North Dakota over the past two weeks. Tan spot was observed in 13.1% of the scouted fields

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Stripe Rust in North Dakota (06/01/17)

The first report of stripe rust for the 2017 growing season was found in winter wheat located in Dunn County (found by Ed Cuskelly – Helena Chemical Company).

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Wheat Streak Mosaic Update and Other Causes of Yellow Wheat (05/25/17)

Extension specialists in Kansas, Nebraska and South Dakota have reported a widespread occurrence of wheat streak mosaic (WSM) in winter wheat fields.

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Timely Detection of Blackleg of Canola is Key to Managing this Disease with Fungicides (05/25/17)

The Blackleg fungus is capable of causing yield loss in canola, so an early season fungicide application might be considered for fields at high risk for the disease.

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Early-Season Fungicide Application for Wheat (5/18/17)

A common agronomic practice that will be considered in the upcoming weeks is tank mixing a fungicide with a herbicide. Here are a couple reminders when making the decision on an early season (tillering) fungicide in wheat.

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Managing Common Root Diseases of Sugarbeet (5/18/17)

The most common root diseases of sugarbeet are Pythium, Rhizoctonia and Aphanomyces root rots.

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New Publications and App Updates (5/11/17)

Pea Disease Diagnostic Series – PP1790, Fungicide Guide, & NDSU Extension Pest Management App

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NDSU Small Grain Disease Forecasting Site (5/11/17)

The disease forecasting tool is now available for the 2017 growing season

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Discolorations and Pathogens Associated with Wheat Kernels (05/04/17)

Small grain planting season is in full swing and several questions pertaining to discolored wheat seed lots have been asked over the past few weeks.

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Be on the Lookout for Late Blight in Potato Seed Tubers (05/04/17)

Late blight caused by Phytophthora infestans, was confirmed last year in our area.

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NDSU Potato Blightline to Operate in 2017 (05/04/17)

The Plant Pathology Department at North Dakota State University will again be providing the potato Blightline service at no charge to the potato industry of North Dakota and western Minnesota in 2017.

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Pea and Lentil Disease Survey 2016 Season Summary (09/15/16)

A new scouting program for peas and lentils in northwest North Dakota was successful at detecting several diseases this summer and determining their distribution across the region.

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