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  Plant Management Network News
Number 126: July 30, 2012

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From the Network ...

PMN Welcomes the Noble Foundation as its Latest Nonprofit Partner

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The Plant Management Network welcomes the Samuel Roberts Noble Foundation as its latest nonprofit partner. The Noble Foundation is an independent, nonprofit institute headquartered in Ardmore, Oklahoma. Founded in 1945, the Noble Foundation conducts direct operations, including assisting farmers and ranchers, and conducting plant science research and agricultural programs, to enhance agricultural productivity regionally, nationally and internationally. Learn more about the Noble Foundation. Contact Phil Bogdan at PMN to learn how your company, university, or nonprofit can benefit through the PMN partners program.

PMN Launches USDA-NIFA Funded Grant Outreach Webcast

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This webcast on Gray Leaf Spot, authored by Dr. Alison Robertson of Iowa State University, is the first in a series of talks serving the outreach component of a USDA-NIFA funded grant to research foliar diseases of corn and their management. The goal of this Gray Leaf Spot presentation is to help growers, consultants and extension educators to improve their knowledge and understanding of this important foliar disease. The talk reviews gray leaf spot symptoms, disease cycle, and conditions that favor disease development, and management options. Contact Phil Bogdan at PMN to learn more about how PMN can support your outreach efforts. View presentation | View other corn talks

PMN Publishes Melhus Symposium Proceedings

The I. E. Melhus Symposium features graduate students who are chosen on a competitive basis to present their thesis research results. PMN published the proceedings of this 11th I. E. Melhus Graduate Student Symposium, held August 9, 2011, at the American Phytopathological Society meeting in Honolulu, HI. These proceedings can be viewed in PMN’s Plant Health Progress journal.

Second of Two-Part Webcast Discusses 300-Bushel Corn

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This talk by Dr. Roger Elmore of Iowa State University discusses impacts of hybrid choice, plant population, planting date, row spacing, crop rotation on yield, and factors limiting yield. By the end of this presentation, users should understand the importance of optimum crop management practices in maximizing yield and consider the promises – and challenges - of reaching a national average of 300 bushels per acre by 2030. View presentation | View other corn talks

Potato Growth and Development Webcast Featured in Focus on Potato

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This presentation by Dr. Mike Thornton of the University of Idaho helps viewers better understand the key growth stages in potato plant development. It specifically focuses on some of the key factors that influence plant development at each stage of growth, and identifies how they impact crop yield. By the end of this presentation, viewers should better understand how both management and the environment impact potato growth and yield. View presentation | View other potato talks

Focus on Soybean Webcast Addresses Breakdown of SCN Resistance

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Most SCN-resistant soybean varieties have SCN resistance from the soybean breeding line called PI 88788, and the continued use of soybean varieties with such a narrow genetic base of SCN resistance has resulted in selection of SCN populations with increased reproduction on resistant varieties in fields. This webcast by Dr. Gregory Tylka at Iowa State University discusses the role and nature of Soybean Cyst Nematode (SCN) resistant soybean varieties and the effects of elevated SCN reproduction on the yield of SCN-resistant soybeans. View presentation | View other soybean talks

Nutrient Management and Curly Top Webcasts Featured in Focus on Tomato

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Nutrient Management: Determining the correct amount of nutrients for a fresh market tomato crop is relatively easy. A soil sample is taken, analyzed, and a nutrient recommendation is made that is based on Cooperative Extension production guidelines. However, knowing correct rates is only a piece of the puzzle. This presentation by Dr. Josh Freeman at Virginia Tech helps users ensure their tomato crops have the correct amount of nutrients in the correct placement at the correct time. Providing adequate moisture for nutrient uptake and utilization is also discussed. View presentation | View other tomato talks

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Curly Top: Curly top disease, caused by viruses in the genus, Curtovirus, has impacted western US agriculture for over a century, and is a significant threat to tomato production. This talk by Dr. Bill Wintermantel at USDA-ARS helps provide knowledge of curly top to growers, industry, and others interested in management of virus diseases affecting tomato production. This talk specifically covers the biology, vector transmission, epidemiology, and management of curly top disease and the viruses that cause it. View presentation | View other tomato talks

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Last Month’s Most Popular Articles

Applied Turfgrass Science: Effects of Nitrogen, Growth Regulators, and Mowing Height on Ball Lie in TifSport Bermudagrass  Summary | Article

Crop Management: Soil Testing Determines the Lack of Sulfur Response in Canola Grown in Oklahoma  Summary | Article

Forage and Grazinglands: Yield and Nutritive Value Differences Among Cool-Season Grasses  Summary | Article

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Applied Turfgrass Science - Crop Management
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Plant Health Progress

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Susceptibility of Arabidopsis Ecotypes to Infection by Iris yellow spot virus  Summary | Article


First Report of Tobacco rattle virus Associated with Ring Spot and Line Pattern Disease of Peony in Ohio  Summary | Article

First Report of Vinca minor Co-infected with Puccinia vincae and Golovinomyces orontii in Texas  Summary | Article

Symposium Proceedings

The 11th I. E. Melhus Graduate Student Symposium  Proceedings Home Page


Valent Reports Positive Results From Next-Generation Seed Protectant AP3 Fungicide System   Article

UF/IFAS Creates Math-Based Model to Show How Citrus Greening Spreads Within Tree   Article

Drought Creates Different Insect Problems   Article

A Greener Way to Raise Cotton and Combat Nematodes   Article

Experts Caution Cotton Growers to Look Out for Target Spot   Article

Disease Control in Wheat Starts at Seed Selection   Article

Hot, Dry Weather May Cause Disease Outbreak in Rice   Article

Redbanded Stink Bug Numbers Rise in Louisiana Soybean Fields   Article

Kudzu Bug is Eating its Way Through Early-Planted Soybeans in the South   Article

Iowa State Scientists Discover How Nematodes Attacks Plants   Article

On the Front Lines of an Invasion   Article

UF/IFAS Study Suggests Growers Should Monitor for Tomato Thrips Carefully   Article

Tomato Growers Take Note, Late Blight is Early This Year   Article

New Disease Reaches Louisiana Sugarcane   Article

Tree Diseases   Article

Facing Modern Forest Management Challenges: Mitigation, Adaptation   Article

Identifying Goss's Wilt in Corn -- More Than Just Immunostrips   Article

Syngenta Receives EPA Registration for Two Convenient Refuge in a Bag Trait Stacks Featuring Top-Performing Insect Control   Article

Priaxor Fungicide - Soybean Growers Enter a New World of Disease Protection   Article

Syngenta Offers New Vibrance Seed Treatment Fungicide to Boost Rooting Power   Article

Pest Presents Major Obstacle to Farming Southern Peas in Georgia   Article

Whitefly Infestation in Some Northern Illinois Soybean Fields   Article

UF Researchers Find Natural Product That Boosts Plant Defense Against Root Pests   Article

Crop Management

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A Proposed Method for Stress Analysis and Yield Prediction in Soybean Using Light Interception and Developmental Timing  Summary | Article

Raised Seedbeds for Soybean in Twin Rows Increase Yields over Flat Seedbeds  Summary | Article


Mycogen Seeds Offers Nine New Silage Corn Hybrids for 2013   Article

Pigweed Epidemic Calls for Strategic Weed Control in Louisiana Soybeans, Cotton   Article

Scientists Try Optical Sensors to Determine Nitrogen Rates in Corn   Article

Corn Farmers Keeping Their Fingers Crossed   Article

Hot, Dry Conditions Impact Crops   Article

Continued Dry Weather Expected to Impact Corn Yield   Article

Cultivate Early to Improve Weed Control in Organic Peanut Crops   Article

Syngenta Offers Northern Plains Growers Top-Performing Winter Wheat Varieties for 2012 Planting   Article

Syngenta Releases Cutting-Edge Winter Wheat Variety to PNW Growers   Article

Syngenta Releases Winter Wheat Variety Complementary to Double-Crop Operations in Eastern Corn Belt    Article

Waterhemp Jumps to Number One Weed to Watch in Midwest   Article

Glyphosate-Resistant Weeds Found in Multiple Indiana Counties   Article

Alfalfa Can Weather Drought, but Growers May Find Lower Production as Extreme Weather Lingers   Article

Zidua Herbicide Receives Federal Registration, Will Provide the Longest-Lasting Residual Control of Today's Toughest Weeds   Article

New Research Finds Unique Crop Diversity, Struggle to Save it   Article

Producers Encouraged to Scout, Treat Fields for Grasshoppers   Article

Short Corn, Short Yields?   Article

Crop Expert Offers Irrigation Management Advice for the Hot Weather   Article

Applied Turfgrass Science

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Seeded Bermudagrass Establishment in an Overseeded Perennial Ryegrass Stand as Affected by Transition Herbicide and Seeding Date  Public Summary | Article

Evaluation of EPTC as a Preplant Soil Treatment in Warm-Season Sod Production  Public Summary | Article


Are Lawns Dying or Going Dormant?   Article

NMSU Develops Mobile App for Selecting Xeriscape Plants   Article

Forage and Grazinglands

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Potassium Influences Forage Bermudagrass Yield and Fungal Leaf Disease Severity in Mississippi  Summary | Article

Cultivar and Fall Dormancy Affect Alfalfa-grass Yield and Persistence in a Temperate Environment  Summary | Article


Drought Can Force Livestock to Eat Poisonous Plants Article

Producers Still Need to Watch for Heat Stress Signs in Livestock Article

Corn Silage Could Salvage Some Value for Drought-Damaged Crop Article

Test Forage Before Cutting to Avoid Nitrate Toxicity Challenges Article

Feed Planning and Management, More Critical This Year Than in the Past Article

Drought-Stricken Pastures Concern for Cattle Article

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