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Issue 158: April 30, 2015 

In this Issue
"From the Network" News


The American Phytopathological Society Launches New Image Database

The APS Image Database helps users quickly find more than 2,000 peer-reviewed images of fungi, bacteria, viruses/viroids, phytoplasmas, nematodes, insect pests, and more for lectures, extension talks, and other events. These images and their associated information can also be incorporated into extension documents or take-home sheets with just one click. APS members can subscribe to this continually growing database for just $49! Nonmembers can subscribe for $159. Not an APS member? Join or renew!


FREE Zebra Chip Webinar on May 7th

The U.S. potato industry’s economic sustainability is threatened by an emerging disease named Zebra Chip (ZC). "Overview of Zebra Chip Research in the U.S.", a one-hour seminar by presenter Charlie Rush at Texas A&M AgriLife Research and Extension Center, focuses on the history, ecology, epidemiology, and long-term regional and national problems associated with Zebra Chip. Learn more, and register.


FREE Cowpea Mild Mottle Virus Seminar on May 19th

“Threat of Cowpea Mild Mottle Virus—What We Know and Don’t Know About This Exotic Virus” will address Cowpea mild mottle virus (CPMMV), an exotic virus that infects a wide range of cultivated legumes and poses a particular threat to U.S. soybean production. Judith Brown, a leading pioneer in the molecular epidemiology of whitefly-transmitted viruses, will present this webinar. Learn more, and register.


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"Focus on" Webcasts

FOCUS ON CORN                       

Stink Bug Management: It Pays to Scout Corn Seedlings - Ric Bessin, University of Kentucky 



Preventing the Spread of Potato Viruses: What Insecticides Can and Cannot Do - Andrei Alyokhin, University of Maine



Reducing Nutrient Loss From Farmland - Fabián G. Fernández, University of Minnesota 

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PMN Crop News


Agronomy and Horticulture

Using Cover Crops to Replenish Soil Carbon −  University of Wisconsin

Study Finds That Maize Roots Have Evolved to Be More Nitrogen Efficient −  Penn State University

2015 Corn Planting Concerns −  South Dakota State University

Starter Fertilization Sometimes Boosts Corn Yield −  Iowa State University

Select Groundcover Management Systems Found Viable for Organically Managed Apple Orchard −  American Society of Horticultural Sciences

Optimal Substrate Moisture Content Determined for High-Quality Bedding Plants − American Society of Horticultural Sciences

OSU Scientists Invent Rain-Resistant Coating That Cuts Cherry Cracking in Half − Oregon State University

Back to Basics With the Hefty Brothers: Spring Soil Testing Helps Get Most for Your Fertilizer Budget −  United Soybean Board

Setting Up a Bigger Harvest −  Agro-K

UF/IFAS Scientist Uses Special Fertilizer to Keep Palms, Soil and Water Healthy − University of Florida

Living Mulch, Organic Fertilizer Tested on Broccoli −  American Society of Horticultural Sciences


Crop Varieties

DuPont Pioneer Hybrid Maize Study Shows Strong Yield Advantages to Help Farmers Weather Drought −  DuPont Pioneer


Forage and Rangeland Management

Prevent Grass Tetany on Lush Spring Pastures −  University of Arkansas

Rain Slows Row Crop Planting Again, But Boosts NW Forage Growth, ‘Skeeters − University of Arkansas

Sorghum Silage a Suitable Alternative to Corn Silage, With Proper Management −  Texas A&M University


Insect Pests / Entomology

Should You Spray Cereal Leaf Beetle? −  North Carolina State University

Sorghum Partners Announces Sugarcane Aphid Integrated Pest Management Program −  Chromatin Inc.

A New Profile of the Asian Longhorned Beetle −  Entomological Society of America-PIE Division

UF/IFAS Extension Program to Control Tropical Soda Apple Earns National Award − University of Florida



Climate Change, Plant Roots May Accelerate Carbon Loss From Soils, Say OSU Researchers −  Oregon State University

Plant Health Scientists Invited to Attend the American Phytopathological Society Annual Meeting −  The American Phytopathological Society

Discovery of Messenger RNA Mobility Provides New Opportunities to Develop More Efficient Crop Plants −  The Samuel Roberts Noble Foundation



NIMITZ Nematicide Receives California State Registration −  ADAMA


Plant Disease

Research Seeks Early Detection of Wheat Streak Mosaic Virus −  Texas A&M University

Compendium of Coffee Diseases and Pests −  The American Phytopathological Society

Introducing the New APS Image Database −  The American Phytopathological Society


Turf Management

Why do Some Lawns Have More Snow Mold Than Others? −  Penn State University


Weed Management

Fight Weeds Through Scouting and Herbicide Application Timing, Says Clemson Researcher −  United Soybean Board

Decisions About Winter Wheat and Weeds −  University of Illinois at Urbana-Champaign

EPA Approves Enlist Duo Herbicide for Use in Additional States  −  Dow AgroSciences 

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Featured Journal Articles


Plant Health Progress



Identification of Diaporthe longicolla on Dry Edible Pea, Dry Edible Bean, and Soybean in North Dakota



Seeding Rate and Planting Date Impacts Stand Density, Diseases, and Yield of Irrigated Peanuts

Ergot Resistant Tetraploid Bahiagrass and Fungicide Effects on Seed Yield and Quality

Fungicide Impact on in vitro Germination of Basidiospores of Puccinia horiana, the Causal Agent of Chrysanthemum White Rust

Longevity of Uromyces transversalis, Causal Agent of Gladiolus Rust, under Various Environmental Conditions


Crop, Forage, & Turfgrass Management



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

Hunting Billbug (Sphenophorus venatus vestitus) Response to Insecticide Application in Warm-Season Turfgrass and Implications for Management

Response and Recovery Characteristics of Kentucky Bluegrass Cultivars to Extended Drought

Protecting Quality and Integrity of Turfgrass Surfaces During Non-Sporting Events with Portable Roadways

Foliar Fertilization Does Not Reduce Soybean Aphid Populations, Change Plant Nitrogen and Potassium, or Protect Yield from Aphid Feeding, under Non-limiting Nutrient Conditions

Nitrogen Rates and Sources Affect Yield and Profitability of Maize in Pakistan

Kochia Suppression with Cover Crops in Southwestern Kansas

Soybean Aphid Populations on Aphid Resistant and Susceptible Soybean Lines Growing under Potassium Deficiency

Does Surface or Subsurface Tillage Influence Burley Tobacco Yield, Leaf Temperature, or Alkaloid Content?

Corn Response to Planting Date as Affected by Plant Population and Hybrid in Continuous Corn Cropping Systems

Switchgrass Establishment and Biomass Yield Responses to Fungicide and Insecticide Seed Treatments

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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) 


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Job/Internship Listings


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

  • Extension Soil Fertility Specialist
  • Senior Research Associate
  • Assistant Professor in Horticulture and Agronomy
  • Director of Sales and Marketing
  • Soybean Doctoral Fellowship

View these postings at the PMN Employment/Internship Posting Service


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