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July 2008


(31 July)
Purdue Pest & Crop Newsletter
Purdue Univ.
  • Soybean Insecticides: Truth or Consequences
  • Nematode Updates 2008: Soybean Cyst Nematode
  • Watch Out for Mold Feeding Insects
  • Late Planted Corn: Enough Time to Mature?
(31 July)
Penn State Field Crop News
Penn. State Univ.
  • Summer Establishment of Forage Crops
  • Summer Seeded Oats
  • Soybean Aphids and PIPE Systems
  • Blue Mold Present in Tobacco Fields
  • No Till Corn Turning Green
  • Get Ready for Corn Silage Harvest
  • Cover Crops after Small Grain and Corn Silage Harvest
  • Invasive Earthworms
(31 July)
Kentucky Pest News
Univ. of Kentucky.
  • Fungicide Restrictions on Corn Silage and Soybean Forage
  • Common Rust in Corn
(31 July)
the Bulletin:
Pest mgmt & crop developmt information for Illinois
Univ. of Illinois
  • Soybean Aphids Deserve Some Attention Now
  • Numbers of Western Bean Cutworm Adults Captured in Pheromone Traps Have Increased
  • Corn Rootworm Larval Damage in Research Trials Is Noteworthy
  • Other Insect Observations Worth Noting
  • 2008 Wheat Crop in the Books
  • Will This Corn Crop Mature?
(29 July)
Late Planted Corn: Enough Time to Mature?
Bob Nielsen, Purdue Univ.
(29 July)
Missouri Integrated Pest & Crop Management Newsletter PDF-formatted document
Univ. of Missouri
  • Big Weeds in Soybean. What Can You Do?
  • Soybean Foliage Diseases May Begin to Show Up
  • Corn Foliage Diseases
  • Pest Update: Hophornbeam Copperleaf
(28 July)
Ohio C.O.R.N. Newsletter
The Ohio State Univ.
  • Western Bean Cutworm Update
  • New Insecticides on Corn and Soybean
  • Corn Lodging and Corn Rootworm
  • Planting Winter Cover Crops to Supply Nitrogen – A Recent Multistate Assessment
  • Pre-Tassel Stalk Breakage in Corn may be "Green Snap"
(28 July)
Nebraska Crop Watch Newsletter
Univ. of Nebraska.
  • Deciding When to Apply Soybean Fungicides
  • Stink Bugs In Nebraska Corn And Soybeans
  • Soybean Aphid Update
  • Watch for European Corn Borer Moths
  • Forecasts Offer Little Comfort to the Corn Belt
  • Timely Weed Control Essential After Winter Wheat Harvest
  • Replace Thinning Alfalfa Fields
  • Alfalfa Harvest: What's Causing Disappointing Test Weights
  • Flying Turnips Or Rye Into Corn
  • Planting Turnips For Winter Grazing
(28 July)
Soybean Aphid Populations Building - Scout Now
Ken Ostlie, Univ. of Minnesota
(28 July)
Iowa Integrated Crop Management Newsletter
Iowa State Univ.
  • More on Fungicide Application Questions
  • Here Come the Bean Leaf Beetles!
  • Is that Common or Southern Rust Showing up in Iowa Fields?
(27 July)
2008 Wheat Improvement Program Performance Trial PDF-formatted document
Herb Ohm, Purdue Univ.
(25 July)
Corn Fungicide Hoopla 2008
Bob Nielsen, Purdue Univ.
(24 July)
Purdue Pest & Crop Newsletter
Purdue Univ.
  • Lower Rootworm Beetle Numbers Now, Lower Larval Risk Later
  • Soybean Aphid Update
  • Common Rust on Hybrid Corn
(24 July)
Wisconsin Crop Manager Newsletter PDF-formatted document
Univ. of Wisconsin
  • Soybean Aphid Increasing and Variable – Scout Fields Now
(24 July)
Penn State Field Crop News
Penn. State Univ.
  • Cover Crops and No—till: video released
  • Determining the Cost of Hay
  • A Good Time to Plan
  • Mid—Season Checkup On Corn Nutrient Status
  • Cover Crops—Not Just for Cover Anymore
(24 July)
Michigan Field Crop Team Advisory Alert
Michigan State Univ.
  • Western bean cutworm alert
  • Armyworm also in northwest Michigan
  • Looking for a few “good killers”
  • Corn and soybean fungicide: To spray or not to spray – that is the question
(24 July)
Dry Weather and Corn Yield Losses
Chad Lee, Univ of Kentucky
(24 July)
Wet Spring Weather Catching up to Crop in Some Fields
Chad Lee, Univ of Kentucky
(24 July)
Kentucky Pest News
Univ. of Kentucky.
  • Soybean aphid: Little threat expected in Kentucky in 2008
(24 July)
the Bulletin:
Pest mgmt & crop developmt information for Illinois
Univ. of Illinois
  • Apparently a Good Year for Japanese Beetles
  • Japanese Beetle Management: What's on the Horizon?
  • Soybean Aphids Are Slowly Making Their Presence Known in Some Soybean Fields
  • Corn Rootworm Damage Trials Begin in Earnest
  • Numbers of Western Bean Cutworm Adults Captured in Pheromone Traps
  • Considerations for Late-Season Herbicide Applications in Soybean
  • Common Rust of Corn Arrives in Illinois a Bit on the Early Side
  • Do You Need More Nitrogen?
  • What the Crop Needs Now
(23 July)
The Future of Indiana Agriculture:
Challenges and Opportunities
PDF-formatted document
Purdue Agricultural Economics Report
(21 July)
Ohio C.O.R.N. Newsletter
The Ohio State Univ.
  • Fungicide Restrictions on Corn Silage and Soybean Forage
  • Corn Insect Update: Western Bean Cutworm & First-Year Corn Rootworm
  • Western Corn Rootworm and Japanese Beetle Adults in Corn
  • Soybean Aphid Update
(21 July)
Iowa Integrated Crop Management Newsletter
Iowa State Univ.
  • Unusual Foliar Diseases Showing up in Iowa Corn
  • Soybean Cyst Nematode Females now Apparent on Soybean Roots
  • Correction to the European Corn Borer Economic Threshold Spreadsheet
  • Not a Bad Week, All in All
  • White Mold Control in a Flood Year
  • Fungicide Decisions Nearing for Corn and Soybean
(21 July)
Corn and Soybean Prices – Now What?
Darrel Good, Univ. of Illinois
(18 July)
Purdue Pest & Crop Newsletter
Purdue Univ.
  • A Nibble Here and There, Silk Feeding Insects Want Their Share
  • Silk Emergence
  • Tassel Emergence & Pollen Shed
(18 July)
Wisconsin Crop Manager Newsletter PDF-formatted document
Univ. of Wisconsin
  • Corn Rootworm Beetles and Silk Clipping
  • Giant Ragweed and Night Crawlers
(18 July)
Is Bt-RW Corn Changing the Risk From Corn Rootworms? A Request for Help
Ken Ostlie, Univ. of Minnesota
(18 July)
Insurance insecticide treatments for soybean aphids - Why we are concerned about this management strategy
Kenneth Ostlie, Bruce Potter, David Ragsdale; Univ. of Minnesota
(18 July)
the Bulletin:
Pest mgmt & crop developmt information for Illinois
Univ. of Illinois
  • Japanese Beetles Are Causing Serious Concern in Some Areas
  • Western Corn Rootworm Adults Are Active, Too
  • With a Few Exceptions, Corn and Soybean Insects Are Relatively Quiet Thus Far
  • Fungicides for Soybean: What Important Foliar Diseases Need to Be Controlled?
  • Plant-Nutrient Value of Wheat Straw
(14 July)
Ohio C.O.R.N. Newsletter
The Ohio State Univ.
  • How to Separate Flooding Injury from Phytophthora
  • Detecting and Managing Leaf Diseases of Corn
  • Corn Pollination Underway in Many Ohio Corn Fields
  • Benefits of Tissue Testing
  • Late-Season POST Herbicide Applications in Soybeans
  • Weedy Wheat Stubble Fields
  • Soybean Defoliators
  • Corn Rootworm Root Sampling
  • Western Bean Cutworm
  • Trapping for Western Corn Rootworm Variant in Soybean
  • Armyworm Moths
(14 July)
Iowa Integrated Crop Management Newsletter
Iowa State Univ.
  • Reseeding Flood and Weather-Damaged Forage Crops in Late Summer
  • Renovating Pastures or Hay Meadows Damaged by Flooding
  • Twisted Whorls
  • Yellow corn, Wet soils, and Nitrogen loss (Part 3)
  • Managing CRP for Hay or Pasture
  • Estimated Corn Silk Dates and Yield Potential, Iowa 2008
  • With the Increased Value of Corn, What are the Economic Thresholds for First Generation European Corn Borer?
  • Questions and Answers on Soybean Fungicide Applications
  • Knee High by When?
(14 July)
Corn and Soybean Production Prospects Improving
Darrell Good, Univ. of Illinois
(Revised 11 July)
Possible Potential for Arrested Ear Development
Bob Nielsen, Purdue Univ.
(11 July)
Nebraska Crop Watch Newsletter
Univ. of Nebraska.
  • Bacterial Blight Common in Soybeans
  • Dig and Rate Roots to Evaluate Corn Rootworm Control
  • Research Update: Fertilizer Rates and Timing for Irrigated Wheat
  • What’s Feedlot Manure Worth as Fertilizer?
  • Play it Safe — Clean and Dispose of Pesticides and Containers Properly
  • Tips for Staying Safe from West Nile Virus
(10 July)
Wisconsin Crop Manager Newsletter PDF-formatted document
Univ. of Wisconsin
  • Foliar Fungicides for Corn and Soybean- Don’t Rush to Spray
  • Warnings on Following Pesticide Labels
(10 July)
Purdue Pest & Crop Newsletter
Purdue Univ.
  • Western Bean Cutworm Moths Flying
  • Potato Leafhoppers in Soybeans
  • Soil Sampling for Assessing Plant Available N in Previously Flooded Soils
  • Possible Potential for Arrested Ear Development
(10 July)
Missouri Integrated Pest & Crop Management Newsletter PDF-formatted document
Univ. of Missouri
  • Ultra Late Planted Soybean
  • Rescue Nitrogen Applications on Corn Can Still be Profitable
  • “Corn Diseases” and “Soybean Diseases” Manuals Have Been Updated
  • Soybean Rust Developing Slowly in the United States
  • Stewart’s Bacterial Wilt of Corn
  • Early Season Soybean Diseases
(10 July)
Michigan Field Crop Team Advisory Alert
Michigan State Univ.
  • Preparing to store wheat
  • Tips to avoid weed control antagonism when applying manganese fertilizer with glyphosate
  • Applying foliar fungicides to hail damaged corn, revisited
  • Preharvest wheat disease update
  • Cercospora leaf spot has arrived early in sugar beets
  • Glyphosate injury on tomato
  • Hail damages central Michigan corn and soybean fields
(10 July)
the Bulletin:
Pest mgmt & crop developmt information for Illinois
Univ. of Illinois
  • Insects Taking Their Toll in Corn Whorls
  • Preparing for Silk-Clipping Insects
  • Black Cutworms in Late-Planted Corn and Soybeans
  • First Captures of Western Bean Cutworm Adults
  • Soybean Aphid Situation Soybean "Mystery"
(9 July)
Penn State Field Crop News
Penn. State Univ.
  • Management of Foliar Diseases in Corn
  • Poisonous Plants in Summer Pastures
  • Weed Control in Small Grain Stubble
  • Insect Defoliation Assessment
  • Wheel Traffic Affects on Soybean Yield
  • Wheat Test Weights
  • Pre—mature Sprouting in Wheat
(7 July)
Ohio C.O.R.N. Newsletter
The Ohio State Univ.
  • What to Look For and Prepare to Manage in Soybeans
  • Fertilizer Prices Continue Higher
  • Cereal Leaf Beetle on Corn
  • Leaf Webbing Insects Found on Soybeans
  • Determination of Kernel Numbers in Corn
(7 July)
Iowa Integrated Crop Management Newsletter
Iowa State Univ.
  • What About Foliar Fertilization for Soybean This Year?
  • Corn Following Corn in 2008
  • Improving glyphosate performance in Roundup Ready soybean
  • Will Foliar Diseases be a Problem on Corn This Year?
  • Hail Damage Across a Large Part of Iowa
  • Pre-harvest Intervals for Foliar Fungicides on Wheat
(3 July)
Soil Sampling for Assessing Plant Available N in Previously Flooded Soils
Jim Camberato & Bob Nielsen, Purdue Univ.
(3 July)
Purdue Pest & Crop Newsletter
Purdue Univ.
  • Whorl Feeding Worms in Late Corn
  • Japanese and Rootworm Beetles
  • Update on Soybean Rust
(3 July)
Lots of Weedy Soybean Fields PDF-formatted document
Bill Johnson and Glenn Nice, Purdue Univ.
(3 July)
Wisconsin Crop Manager Newsletter PDF-formatted document
Univ. of Wisconsin
  • Soybean Aphid Field Day
  • Slugs in Corn
  • Time to Work Potato Leafhopper Scouting into Hay and Forage Schedule
  • Corn Earworms off to an Unusually Early Start
  • Soybean Weed Management: A Mid-Season View
(3 July)
Penn State Field Crop News
Penn. State Univ.
  • Mid—season Corn Growth Considerations
  • That Great Vigor After Tillage!
  • Rain Damage to Hay
  • Value of Legume Cover Crops
  • A Few Things to Consider When Field—testing Products on the Farm
(3 July)
the Bulletin:
Pest mgmt & crop developmt information for Illinois
Univ. of Illinois
  • Still Waiting on Corn Rootworm Adults
  • Corn Earworms Found Feeding in Corn Whorls
  • Begin Monitoring for Western Bean Cutworm Adults
  • Glyphosate Use in Soybean: Alone or Tank-Mixed?
  • Making Profitable Fungicide Applications in Corn
  • Crop Condition: The Real Test Lies Ahead
(1 July)
Ohio C.O.R.N. Newsletter
The Ohio State Univ.
  • Hail Injured Corn: Other Considerations
  • Another Low to Moderate Head Scab Year in Ohio
  • Wheat Harvesting Tips
  • A Wet Wheat Harvest Season Ahead
  • Prepare Grain Bins for Wheat Harvest
  • Messy weed control situations
  • Nitrogen Losses and Wet Weather, How Can We Determine How Much is Lost and What Can Be Done About It?
  • Nitrogen Applications to Stressed Soybeans?
  • Soybean Aphid Update