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Issue 181: June 30, 2017

In this Issue
"From the Network" News

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"Focus on" Webcasts


Effect of Glyphosate Application on Sudden Death Syndrome of Glyphosate-resistant Soybean
 -Yuba R. Kandel, Iowa State University

Row Spacing and Seeding Rate and Affects on Weed Management
 - Shawn P. Conley, University of Wisconsin-Madison

A Review of the Effects of Various Cover Crop Species on Winter and Summer Annual Weed Emergence
 - Kevin Bradley, University of Missouri

Droplet Size Effects on Foliar Fungicide Efficacy in Soybean 
- Shawn Butler, University of Tennessee


Herbicide-resistant Common Ragweed Management in Cotton 
- Charlie Cahoon, Virginia Tech

Tank Cleaning 
- Fred Whitford, Purdue University

Thrips Infestation Predictor for Cotton: An Online Tool for Informed Thrips Management 
- George G. Kennedy, North Carolina State University


What Is the Source of Potato Psyllids Colonizing Potato Fields in the Pacific Northwest? 
- David Horton, USDA-ARS

Potato Growth and Development 
- Mike Thornton, University of Idaho

Helping Growers Manage Potato Psyllids & Zebra Chip in the Columbia Basin of Washington State - Carrie H. Wohleb, Washington State University 

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PMN Crop News


EWS Helps Indonesian Farmers Achieve Greater Harvests With Lower Production Costs - East-West Seed

Calculating 'Old' and 'New' Water Runoff - American Society of Agronomy

Selecting Double-Crop Soybean Varieties - Illinois Soybean Association

Foliar N on Soybeans Can Work – Sometimes - Illinois Soybean Association

Corn Water Use and Evapotranspiration - Iowa State University

Potassium Deficiencies - Illinois Soybean Association

New Factsheet Instructs Surge Irrigation Practices, How-to - University of Arkansas

How Fast and Deep do Corn Roots Grow in Iowa? - Iowa State University

Cover Crop Residue Can Complicate Nitrogen Management in Corn - University of Missouri

2017 Cotton Maturity Guide - Mississippi State University

Potential Nitrogen Loss in Spring 2017 - Iowa State University

A New Late-Spring Soil Nitrate Test Publication Now Available - Iowa State University

Are You Behind on Your Corn “Tassel Shot” Application? - Mississippi State University

Farmers Are Asking: How Much Nitrogen Is Left? - University of Illinois at Urbana-Champaign

Cold Stress in Soybeans at Seeding - Illinois Soybean Association

Cotton Yields Not Impacted by Decreased Irrigation During the Early Season − University of Georgia 

Doctoring the Soil - American Society of Agronomy

Crop Varieties

EWINDO Launches Five New Vegetable Varieties at National Expo - East-West Seed

Forage and Rangeland Management

Keep up With Weed Control in Horse Pastures - University of Arkansas

Purdue Extension Specialist Urges Hay Producers to Test for Nutritional Value - Purdue University

Online Tool Helps Farmers Target Ideal Alfalfa Feed Value - Iowa State University

Vomitoxin Found Across the Corn Belt - Iowa State University

Insect Pests / Entomology

Management of European Corn Borer Difficult Without Hybrid Traits - Iowa State University

Experts Predict Mild Winter Plus Early Planting Will Increase Soybean Insect Threat - Syngenta Crop Protection-US

Torac Insecticide Granted Section 18 Crisis Emergency Exemption for Thrips Control on Watermelon in Hawaii - Nichino America

Kudzu Bugs' Decline Is Attributed to Two Factors - University of Georgia

Impact of Environmental Conditions on Thrips Management in Cotton and Peanut - Mississippi State University

Stalk Borers Moving in Southern Iowa - Iowa State University

A Pest of the Past: Have You Seen Hop Vine Borer? - Iowa State University

Black Cutworm Monitoring 2017 - Iowa State University

Seeking the Stink Bug’s Natural Enemies - The Ohio State University

Options for Controlling Pests Organically - Noble Research Institute


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

Veteran Scientist Shares Wisdom, Experiences, Crop Management Tactics in New Book - The American Phytopathological Society

Researchers Find Conflicting Effects of Climate, Vector Behavior on Spread of Plant Disease - The American Phytopathological Society

New Journal Provides Next-Generation Research for Sustainable Plant Productivity - The American Phytopathological Society

Crop Catalog App Comes to Latin America - East-West Seed


Emergent Nematode in Sweetpotato and Other Vegetable Crops - North Carolina State University

Plant Disease

Cotton Farmers Need to Be Wary of Diseases Like Target Spot and Bacterial Blight - University of Georgia

Keys to Field Identification of Common Versus Southern Rust in Field Corn - Mississippi State University

Kansas State University Researchers Identify Gene to Resist Wheat Streak Mosaic Virus - Kansas State University

Fumigation a Potential Management Tool for Georgia Watermelon Farmers Fighting Fusarium Wilt Disease - University of Georgia

Kansas State University Researchers Find New Pathogens in Soybean Seeds - Kansas State University

Cold Winter, Wet Spring Lead to Wheat Disease in Eastern Oregon - Oregon State University

Late Corn Better Than Blighted Corn - The Ohio State University

Time to Think About Brown Spot Control - Illinois Soybean Association

Turf Management

Brown Ring Patch Active in Central PA - Penn State University

Turfgrass Will Benefit From Aerification - University of Georgia

Weed Management

Weed Scientists Caution Against Off-Label Spraying of Dicamba and 2,4-D - Weed Science Society of America

Diagnosing PPO Damage - Illinois Soybean Association

Layered Residual Herbicides Improve Pigweed Species Control - Illinois Soybean Association

Dow Announces Launch of Enlist Corn in U.S. and Canada - Dow AgroSciences

BASF Introduces the Provisia Rice System - BASF Crop Protection

Evaluating Herbicide Injury on Soybean - Iowa State University

Syngenta Announces Name of S-metolachlor/dicamba Premix Currently Under Development: Tavium Plus VaporGrip Technology Herbicide - Syngenta Crop Protection-US

WSSA Survey Ranks Most Common and Most Troublesome Weeds in Broadleaf Crops, Fruits and Vegetables - Weed Science Society of America

Layby Herbicide Programs Help Corn Growers Control Weeds, Improve Profits - University of Georgia

After the Flood, Read Label Before Reapplying Herbicide - University of Arkansas 

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Featured Journal Articles

Plant Health Progress


Impact of Substrate Volumetric Water on Pythium aphanidermatum Infection in Petunia ×hybrida: A Case Study on the Use of Automated Irrigation in Phytopathology Studies

Alternatives to Current Fumigation Practices in Western States Raspberry

Year-to-Year Incidence of Cranberry Fruit Rot and Persistence of Fungal Pathogens

Identification of Novel Sources of Resistance to Sclerotinia Basal Stalk Rot in South African Sunflower Germplasm

Identification of Sources of Resistance to Blackleg (Leptosphaeria maculans) in a Brassica napus Germplasm Collection

Soybean Yield Loss Estimates Due to Diseases in the United States and Ontario, Canada, from 2010 to 2014


First Report of Rose rosette virus Associated with Rose Rosette Disease in Rosa hybrida in Minnesota

Disease Dynamics of Sclerotinia sclerotiorum on Stevia in North Carolina

First Report of Stem and Bulb Nematode Ditylenchus dipsaci on Garlic in New Mexico

First Detection of Boscalid Resistance in Podosphaera xanthii in the United States Associated With Failure to Control Cucurbit Powdery Mildew in New York and New Jersey in 2009

First Report of Resistance to Quinoxyfen in Podosphaera xanthii, Causal Agent of Cucurbit Powdery Mildew, in the United States


A Workflow for Extracting Plot-level Biophysical Indicators From Aerially Acquired Multispectral Imagery

Crop, Forage & Turfgrass Management


Yield-Based Corn-Planting Date Recommendation Windows for Iowa

Weed Control in Soybean with Preemergence- and Postemergence-applied Herbicides

Evaluation of Environmentally Smart Nitrogen in Winter Wheat in North Carolina

Alternative Ridging Practices for Flue-Cured Tobacco Production in North Carolina

Assessment of Double-Crop and Relay-Intercropping Systems of Peanut with Soft Red Winter Wheat and Residual Herbicides

Influence of Bradyrhizobium Inoculation and Fungicide Seed Treatment on Development and Yield of Cowpea, Lablab, and Soybean

Spatial and Temporal Grazing Patterns on Intensive-early Stocked and Season-long Stocked Pastures

Forage Mass, Nutritive Value, and In situ Degradation of Sorghum Silage Treated with Fibrolytic Enzymes

Nondestructive Determination of Legume Content in Grass-Legume Pastures

Practices that Support Coexistence: A Survey of Alfalfa Growers

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Last Month's Most Popular Journal Articles

Plant Health Progress: Response of Microbial Populations on the Creeping Bentgrass Phyllosphere to Periodic Fungicide Applications

Crop, Forage & Turfgrass Management
Peanut Yield and Injury from Thrips with Combinations of Acephate, Bradyrhizobium Inoculant, and Prothioconazole Applied in the Seed Furrow at Planting 

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