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Issue 159: May 28, 2015 

In this Issue
"From the Network" News

Two Webinars Now in PMN's Ed Center

Recordings of two live seminars co-hosted by The American Phytopathological Society (APS) and USDA’s Office of Pest Management Policy are now featured in PMN’s Education Center. These presentations cover cowpea mild mottle virus, which affects legumes, and zebra chip, a significant pest of potato. Both presentations are fully accessible 24/7.

PMN Launches Two Grant-funded Soybean Webcasts

Fungicide Resistance in the Cercospora Leaf Blight and Purple Seed Stain Pathogen of Soybean: Fungicide resistance in soybean production has been a growing concern, especially after the discovery of fungicide resistant strains of frogeye leaf spot, Cercospora leaf blight and purple seed stain. This presentation will help viewers identify Cercospora leaf blight, increase awareness of fungicide resistance issues, disease management, and fungicide resistance mitigation options.

 A Role for Oomycete Biology in the Development of Disease Resistant Soybean: This presentation, accessible to scientists and practitioners alike, covers the role of oomycete biology in the development of disease resistant soybean. Phytophthora sojae, a potentially devastating oomycete pathogen and causal agent of soybean root and stem rot, is highlighted. Three USDA-NIFA funded projects using oomycete biology to improve resistance against soybean root and stem rot are also featured.

 PMN provides solutions to build impact and usage of grant-funded outreach information, including webcasts, websites, promotional materials, and more. Writing a grant proposal with an outreach component? Contact Phil Bogdan at 651-994-3859 or to increase the impact and use of your grant-funded work. 

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"Focus on" Webcasts


Best Management Tactics and Fungicide Resistance in AlternariaPopulations (Early Blight and Brown Spot) - Lydia Tymon, Washington State University


A Role for Oomycete Biology in the Development of Disease Resistant Soybean - Kevin Fedkenheuer, Virginia Tech

Fungicide Resistance in the Cercospora Leaf Blight and Purple Seed Stain Pathogen of Soybean - Paul P. Price, III (Trey), LSU AgCenter - Macon Ridge Research Station 

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PMN Crop News

Ag Engineering

Keep Stored Grain Cool and Dry During Summer -  North Dakota State University

New Android App Helps Rice Growers Plan Efficient Irrigation -  University of Arkansas

Iowa State University Studying Water Storage to Benefit Crops, Waterways -  Iowa State University

Agronomy and Horticulture

Rains Create Management Decisions for Corn Producers -  Texas A&M University

Actions, Inactions Impact Soil Health -  Mississippi State University

No Till, Cover Crops Help Producers Minimize Erosion, Surface Runoff -  South Dakota State University

Increased Microbial Activity Helps Overcome Cool Weather Plant Stress -  Agnition

New BioMax Dual Action + Turns the Root Biosphere Into a More Efficient Nutrient Engine Helping Maximize Nut Quality and Yield -  Agro-K

Invest in a Soil Test, Advises Agronomist -  United Soybean Board

Frontiers in Potassium Science: Developing a Roadmap to Advance the Science of Potassium Soil Fertility Evaluation -  International Plant Nutrition Institute


UF/IFAS Researcher Using “Precision Breeding” to Create Disease-Resistant Grapes -  University of Florida

Open-Source Plant Breeding: New Freedom for Farmers -  American Society of Agronomy

New UF/IFAS-Developed Avocado App Helps Guide Irrigation -  University of Florida

Forage and Rangeland Management

Cut Hay Early for Better Quality -  Penn State University

Stem Counts Help Assess Alfalfa Stand Potential -  North Dakota State University

Teff Grass Provides Alternative to Bermudagrass for Horses -  University of Arkansas

Consider Early Grazing Alternatives -  North Dakota State University

Insect Pests / Entomology

Black Cutworm Scouting 2015 -  Iowa State University

Stink Bugs in Eastern North Carolina Wheat -  North Carolina State University

Should You Spray for Cotton Thrips? -  North Carolina State University


Encirca Services Helping More Growers to Add Value on Every Acre -  DuPont Pioneer

Bayer Welcomes Release of National Pollinator Strategy -  Bayer CropScience

Low Temperature Damage to Corn and Soybeans -  South Dakota State University

National Initiatives Collaborate to Meet Growing Food Demands -  The American Phytopathological Society

A Model Approach for Sustainable Phosphorus Recovery From Wastewater -  American Society of Agronomy

Grain Quality Issues Indicate a Need for Proactive Solutions -  BASF Crop Protection


Seed Treatments Can Help Farmers Manage SCN -  United Soybean Board

Plant Diseases

Fusarium Head Blight Update -  Penn State University

Preventing Sweetpotato Black Rot and Scurf -  North Carolina State University

Turf Management

Entomology Update From the Turfgrass Entomology Lab at PSU -  Penn State University

Weed Management

Diversified Management Crucial to Giant Ragweed Management -  United Soybean Board

Bayer CropScience Announces Corvus and Balance Flexx Herbicides Registered in Minnesota -  Bayer CropScience

Soil Residual Herbicide Options After Soybean Emergence -  United Soybean Board

Don't Let Tree Seedlings Get Established in No-till Fields -  University of Nebraska

Weed Scientists Offer New Definition for “Superweed” -  Weed Science Society of America

Waterhemp’s Big, Bad Brother is Back This Spring -  Iowa State University

Acuron Corn Herbicide Receives Federal EPA Registration -  Syngenta Crop Protection-US

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Featured Journal Articles

Plant Health Progress


First Report of Phytophthora Fruit Rot on Bitter Gourd (Mormodica charantia) and Sponge Gourd (Luffa cylindrica) Caused by Phytophthora capsici 

Physoderma Brown Spot and Stalk Rot of Corn Caused byPhysoderma maydis in Iowa

Identification of Races of Colletotrichum orbiculare on Muskmelon in South Carolina

First Report of Pythium spinosum as a Pathogen of Watermelon and in Association with a Dieback of Watermelon in Southwest Florida


Stability of TSWV General Field Resistance in the ’Georgia Green’ Peanut Cultivar

Monitoring of a Single Point Mutation in the PvCesA3 Allele Conferring Resistance to Carboxylic Acid Amide Fungicides in Plasmopara viticola Populations In Yamanashi Prefecture, Japan

Decision Models for Fungicide Applications for Soybean Rust


Crop, Forage, & Turfgrass Management


Safety of Sequential Fall Methiozolin Applications on Creeping Bentgrass Putting Greens

Longevity of Shallow Subsurface Drip Irrigation Tubing under Three Tillage Practices

Agronomic and Economic Effect of Irrigation Rate in Cotton

Comparison of Urease Inhibitors for Use in Rice Production on a Silt-Loam Soil


Establishment, Dispersal, and Management of Silvery-thread Moss (Bryum argenteum Hedw.) in Putting Greens 

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Last Month's Most Popular Journal Articles

Plant Health Progress: Influence of Insecticides and Reflective Mulch on Watermelon Vine Decline Caused by Squash vein yellowing virus (SqVYV)

Crop, Forage, & Turfgrass Management: Soybean Aphid Populations on Aphid Resistant and Susceptible Soybean Lines Growing under Potassium Deficiency 

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Job/Internship Listings

Submit new employment/intern listings online. It’s free for partners!

  • Extension Soil Fertility Specialist
  • Soybean Doctoral Fellowship

View these postings at the PMN Employment/Internship Posting Service


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