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 Issue 144: March 28, 2014

In this Issue
"From the Network" News

Resource Spotlight: Plant Disease Management Reports

Plant Disease Management Reports (PDMR) includes more than 7,000 searchable reports that evaluate hundreds of brand-name fungicides and nematicides, as well as biological controls. PDMR’s purpose is to help users determine the most effective chemicals and nonchemical pest management agents and to promote maximum effectiveness with minimum application. Users can access PDMR and all other Plant Management Network resources, for $39-$49 yearly. Subscribe | View PDMR tutorial 

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"Focus on" Webcasts


Secondary and Micronutrients in Cotton - Hunter Frame, Ph.D., Virginia Tech


Oomycete Diseases of Soybean and Current Management - Jim Kurle, University of Minnesota

Soybean Nematode Management in the South - John D. Mueller, Clemson University

Role of Tillage in Managing Herbicide-Resistant Weeds - Bryan Young, Purdue University

View all of PMN’s commodity-specific webcasts at the PMN Education Center.

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PMN Crop News

Agronomy and Horticulture

Calculators Ease Planting Decisions − DuPont Pioneer

Can Good Fungi Restore Bad Soil? − Washington State University

No-Till Can Lead to Increases in Soybean Yields, Says Researcher − United Soybean Board

Sugarbeet Production Tips Learned From the 2013 Growing Season − Michigan State University

Building Soil Phosphorus? − South Dakota State University

Factors That Effect Sugarbeet Stand Establishment − Michigan State University

Condition of the Winter Wheat − South Dakota State University

Winterkill Concerns Continue − Penn State University

Cover Crop Planting Options in Late Winter/Early Spring − Penn State University

Maximize Ears Per Acre for Highest Corn Yields − DuPont Pioneer

Meeting the Challenges of Spring Manure Application − SFP

Maximizing the Phosphorus Value in Manure Requires Extra Diligence – SFP

10 Priority Decisions for Soybean Production − United Soybean Board

Sysstem-Pecan Boosts Yield and Health in Stressed Groves − Agro-K

New Tool Offers Growers Easy Option to Measure Soil Organic Matter Content − The Ohio State University

Sensor-based Irrigation Systems Show Potential to Increase Greenhouse Profitability − American Society of Horticultural Sciences

Six Things Farmers Should Know About Seed Treatments − United Soybean Board

Iowa State University Researchers Use New Way to Measure Nitrate in Soil − Iowa State University

Intensive Management Pushes Soybeans to Maximum Yield Potential − DuPont Pioneer

Corn Residue Management Makes Dramatic Impact on Emergence − DuPont Pioneer

Nutrient Expert Chosen as Best Innovation for Improving Rural Livelihood in Bihar − International Plant Nutrition Institute

Soil Acidity Evaluation & Management Booklet/CD − International Plant Nutrition Institute

Animal Nutrition

Soil Test New and Established Alfalfa for Nutrient Need − University of Nebraska

DuPont Pioneer Brings Dairy Producers Increased Nutritional Value With New Alfalfa Inoculant − DuPont Pioneer


Look Back at U.S. Soybeans Shows Genetic Improvement Behind Increased Yields − University of Illinois at Urbana-Champaign

Chromatin, Inc. Announces Production of Farnesene in Sorghum − Chromatin Inc.

Bug Pests/Entomology

(Another) Unexpected Aphid in Strawberries − North Carolina State University

Scout for Wheat Midge Hot Spots − North Dakota State University

Louisiana Producers Should Prepare for Possible Aphid Attack on Sorghum − Louisiana State University

Entomologists Update Resistance Definitions − Entomological Society of America-PIE Division

Characterization of Stink Bug Saliva Proteins Opens Door to Controlling Pests − Penn State University

What Are the Patterns of Why Honey Bee Colonies Are Dying in the US? − North Carolina State University

Stink Bug Decision Aid App Now Available − North Carolina State University

Biocontrol Wasps Unlikely to Threaten Non-target Insects − Entomological Society of America-PIE Division

Beneficial Insects, Nematodes Not Harmed by GM Crops − Entomological Society of America-PIE Division

Crop Varieties

Chromatin, Inc. Announces Five New Sorghum Products − Chromatin Inc.

DuPont Pioneer Expands Corn Hybrid Choices for 2014 − DuPont Pioneer

Researchers Develop New Crop Varieties Tailor-made for Organic Farms − American Society of Agronomy

DuPont Pioneer Introduces Three New Brown MidRib Corn Hybrids − DuPont Pioneer


Exclusive Distribution Agreement for DNAble and Array Tape − Envirologix

Forage and Rangeland Management

Make a Significant Down Payment on Your 2014 Growing Season with Frost Seeding − Michigan State University

Acid Soils Jeopardize Alfalfa Seedlings − University of Nebraska

Low Forage Quality has Georgia Cattlemen Concerned − University of Georgia


Four Ways to Manage Soybean Nematodes − United Soybean Board

New Products and Registrations

Marrone Bio Innovations Receives Patent Surrounding Regalia Biofungicide − Marrone Bio Innovations

Merivon Fungicide Receives Registration for Almonds in California − BASF Crop Protection

MBI Receives EPA Registration for Venerate Bioinsecticide − Marrone Bio Innovations

Sercadis Fungicide Receives EPA Registration for Disease Control in Rice − BASF Crop Protection

Plant Diseases

Extreme Winter Weather May Not Knock out Insects and Disease − DuPont Pioneer

Four Tips to Help Farmers Manage Oomycetes and the Diseases They Cause − United Soybean Board

Iowa State University Researchers Sequence Genome of a Soybean Fungus Responsible for Sudden Death Syndrome − Iowa State University

University of Florida Researchers Find Genetic Cause for Citrus Canker, Putting Them a Step Closer to a Cure − University of Florida


Spring Grain Drying and Storage Critical − North Dakota State University

Awareness Can Help Prevent Grain Bin Engulfments, Increase Grain Bin Safety − The Ohio State University

Turf Management

Some Grasses’ Condition Questionable After Cold Winter − University of Kentucky

Weed Management

Drifting Herbicides Produce Uncertain Effects − Penn State University

New Studies Emphasize Herbicide Effects on Wild Plants − American Society of Agronomy

Syngenta Announces Acuron as Name for Corn Herbicide Premix With Four Active Ingredients − Syngenta Crop Protection-US

Managing Herbicide Drift is Important to the Bottom Line, Environment − University of Georgia

Glyphosate-Resistant Horseweed Identified − South Dakota State University

Control Weeds Now for Better Pastures This Summer − University of Arkansas

Herbicides May Not Be Sole Cause of Declining Plant Diversity − Penn State University

Zidua Herbicide Receives Federal Registration for Wheat − BASF Crop Protection 

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Featured Journal Articles

Plant Health Progress


Development and Evaluation of AmplifyRP Acceler8 Diagnostic Assay for the Detection of Fusarium oxysporum f. sp. vasinfectum Race 4 in Cotton

Fungicide Efficacy and Specificity Toward Fungi in the Cranberry Fruit Rot Disease Complex

Steaming Inactivates Phytophthora ramorum, Causal Agent of Sudden Oak Death and Ramorum Blight, from Infested Nursery Soils in California

Growth-inhibiting Fungicides Affect Detection of Phytophthora ramorum from Infected Foliage and Roots

Viability of Puccinia horiana Teliospores Under Various Environmental Conditions


Tobacco rattle virus is Detected in Established Landscape Plantings of Epimedium sp. in Ohio

Detection of Papaya ringspot virus Type W Infecting the Cucurbit Weed Cucumis melo var. dudaim in Florida


Forage and Grazinglands


Soil-Fertility Principles for Warm-Season Perennial Forages and Sustainable Pasture Production


Timing and Rate of Chaparral Treatment Affects Tall Fescue Seedhead Development and Pasture Plant Densities

Field Drying-Rate Differences Among Three Cool-Season Grasses

Management Guide

Measuring Legume Content in Pastures Using Digital Photographs

Diagnostic Guide

Visual Reference Guide for Estimating Legume Content in Pastures


Crop Management


Evaluation of Wheat Planted on 15-Inch Row Spacing in Eastern Kansas

Effects of High Glucosinolate Mustard on Red Potato Yield and Skin Quality

Tillage and Grazing Impact on Annual Crop Yields Following Conversion from Perennial Grass to Annual Crops


Applied Turfgrass Science


Weed Control and Turf Safety of Single and Sequential Applications of Herbicides Over Spring Seedings

Flazasulfuron Tank Mixtures with Amicarbazone for Annual Bluegrass Control in Seashore Paspalum

Mowing Before or After an Herbicide Application Does Not Influence Ground Ivy (Glechoma hederacea) Control

Effect of Petroleum Diesel and Biodiesel Spills on Turfgrass

Evaluation of Adjuvants on Flumioxazin Efficacy for Postemergence Annual Bluegrass and Residual Smooth Crabgrass Control


Influence of Simulated Rainfall on Large Crabgrass Control with Two Quinclorac-Containing Herbicides

Effect of Common Bermudagrass Mowing Height on Large Crabgrass Incidence


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Last Month's Most Popular Journal Articles

Plant Health Progress: Evaluation of Commercial Bell Pepper Cultivars for Resistance to Phytophthora Blight (Phytophthora capsici)

Forage and Grazinglands: Performance by Heifers Grazing Sod-Seeded Cool-Season Annuals Seeded on Different Dates Using Two Tillage Intensities 

Crop Management: Agronomic Evaluation of Coated Urea to Reduce Ammonia Volatilization from Side-dress Applications to Corn 

Applied Turfgrass Science: Efficacy of Corn Gluten Meal for Common Dandelion and Smooth Crabgrass Control Compared to Nitrogen Fertilizers 

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Job/Internship Listings

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

  • Senior Agronomist        
  • Lead Agronomist
  • Regulatory Specialist/Manager

View these postings at the PMN Employment/Internship Posting Service

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