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May 2008


(29 May)
Wisconsin Crop Manager Newsletter PDF-formatted document
Univ. of Wisconsin
  • Preparing for Stalk Borer Migration to Corn
  • Spot Check for Early Season Armyworm Damage
  • Alfalfa Weevil in Second Crop Regrowth
  • Flag Leaf Emergence and Foliar Fungicides in Winter Wheat
  • Prepare for Weeds in Corn
(29 May)
Purdue Pest & Crop Newsletter
Purdue Univ.
  • Armyworm, Don't Get Unpleasantly Surprised
  • Don't Forget About Alfalfa Insect Pests!
  • More Thoughts on Late Corn Planting
(29 May)
Penn State Field Crop News
Penn. State Univ.
  • Alfalfa Weevil Update
  • Forage Weed Control Issues
  • Adjusting Soybean Seeding Rates for Lower Quality Seed
  • Rye: From Silage to Straw to Grain
(29 May)
Missouri Integrated Pest & Crop Management Newsletter PDF-formatted document
Univ. of Missouri
  • Seed Decay and Seedling Blights of Corn
  • Wheat Disease Update
  • Some Early Planted Soybean Fields Sprayed For Bean Leaf Beetle Control
  • Potato Leafhopper Numbers Increasing In Alfalfa Fields
(29 May)
Michigan Field Crop Team Advisory Alert
Michigan State Univ.
  • Fungicide tank-mixtures with sugar beet herbicides: What are the risks?
  • Maximize glyphosate activity with a few simple tips
  • Herbicide sensitivity in potatoes
  • Cold weather stress on corn and soybeans
  • Michigan’s soil nitrate test for corn
  • Considerations for raising irrigated wheat
(29 May)
Kentucky Pest News
Univ. of Kentucky.
  • Armyworm caterpillar activity
  • Armyworms on the move
(29 May)
the Bulletin:
Pest mgmt & crop developmt information for Illinois
Univ. of Illinois
  • Insect Issues During This Period of Slow Crop Growth and Development
  • Loose Smut of Wheat Observed in Illinois
  • When Is the "Last Day" to Plant?
(28 May)
Ohio C.O.R.N. Newsletter
The Ohio State Univ.
  • Sawflies in Wheat
  • Replant Issues in Corn
  • Armyworm on Corn
  • Slug Update
  • Killing Failed Glyphosate-Resistant Corn Stands
  • Central Ohio Agronomy In-Field Twilight Program
(27 May)
Nebraska Crop Watch Newsletter
Univ. of Nebraska.
  • Pink Form of Pea Aphid Found for First Time in Nebraska
  • Alfalfa Alfalfa Weevil Predictor Map
  • Scout for Early Soil Insect Problems in Corn
  • Match Hay Harvest Timing to Livestock Nutrient Needs
  • Rank Weed Species Competitiveness in Soybean
  • Controlling Buckbrush in Pasture
  • Step up Pasture Weed Management; Limit Cosmetic Control
  • Hoary Vervain Often Found in Overgrazed Pastures
(27 May)
Iowa Integrated Crop Management Newsletter
Iowa State Univ.
  • Timeliness Critical to Protect Corn Yields
  • Corn Emergence Problems Across Iowa
  • La Nina Diminishes
  • Where Do I Get Weather Information?
  • Surface Waters: Ammonium is Not Ammonia – Part Three
  • Finally! A Good Work Week
  • Update on Fungicides for Use on Soybean
(27 May)
Assessing Corn and Soybean Market Fundamentals
Darrel Good, Univ. of Illinois
(23 May)
More Thoughts on Late Corn Planting
Bob Nielsen, Purdue Univ.
(23 May)
Purdue Pest & Crop Newsletter
Purdue Univ.
  • Guilt By Association, Critters and Dead/Dying Seedlings Oops...I Forgot the Insecticide on the Refuge Corn
  • Time to Scout for Black Cutworm
  • Prevalent Purple Plants Possibly Puzzle Producers
  • Snagged Wheat Heads
(23 May)
Late Corn Planting Dates and Potential Yields
Chad Lee, Univ. of Kentucky
(23 May)
Wisconsin Crop Manager Newsletter PDF-formatted document
Univ. of Wisconsin
  • Corn Rootworm Egg Hatch Update for Wisconsin
  • Variable Germination and Emergence in Soybean: Which Seeds Are Still Viable?
  • Cleaning Herbicides from Sprayers
(23 May)
Michigan Field Crop Team Advisory Alert
Michigan State Univ.
  • Status of early-season pest insects
  • Annual weed control in alfalfa: In-season management
  • Alfalfa harvest: Getting it right will return big dollars
  • Pricing standing forage
  • Net blotch on winter barley Wheat update
(23 May)
the Bulletin:
Pest mgmt & crop developmt information for Illinois
Univ. of Illinois
  • First Reports of Black Cutworm Injury
  • Late Corn Rootworm Larval Hatch Anticipated This Spring
  • Insecticides and Replanting Decisions
  • Weed Control in Corn
  • Stripe Rust of Wheat Found in Illinois
  • Nitrogen and Phosphorus for Wheat
  • Corn with Issues: Keep, Replant, or Change Crops?
(20 May)
Ohio C.O.R.N. Newsletter
The Ohio State Univ.
  • Low Wheat Head Scab Risk
  • Seedcorn Maggot in Late Planted Field Crops
  • Bean Leaf Beetle on Soybean
  • Insect Update
  • Should Seeding Rates be Changed for Delayed Corn Plantings?
  • Presidedress Soil Nitrate Test
  • Distorted Wheat Leaves and Stems
(20 May)
Not Enough Corn for 2008/09
Chris Hurt, Purdue Univ.
(20 May)
More Beans in 2008, but We're Going to Use Um Up
Chris Hurt, Purdue Univ.
(20 May)
Yields inconsistent with fungicide-treated corn plots, study finds
Purdue/Ohio State AgAnswers
(19 May)
Iowa Integrated Crop Management Newsletter
Iowa State Univ.
  • Black Cutworm Thresholds: What has Changed with the Price of Corn and New Control Methods?
  • Black Cutworm Scouting Advisory—2008
  • Minimize Soybean Yield Loss from Late Planting
  • A Bit Cool, a Bit Wet, but Planting Progresses
  • Consider Effects on Seedbed Before Tilling Wet Soil
  • Beware of a Dangerous Invasive Weed
  • Delayed PRE Herbicide Applications in Corn
(19 May)
Prevalent Purple Plants Possibly Puzzle Producers
Bob Nielsen, Purdue Univ.
(19 May)
What's Cropping Up? PDF-formatted document
Cornell Univ (New York)
  • What To Do With Soybean Seeding Rates?
  • New Product Combines Residual Herbicides with Glyphosate for Glyphosate-Resistant Corn
  • Illinois Soil N Test (ISNT) Useful Tool for NYS Corn Producers
  • Wheat Fungicide Options for 2008
  • The Link Between Soil Health and Reduced Tillage
  • Adapt-N: A New Tool for Adaptive N Management for Corn
(16 May)
Purdue Pest & Crop Newsletter
Purdue Univ.
  • Seedcorn Maggot Potential for Planted Soybean
  • Consider Corn Borer-Bt for Late-Planted Corn in Southern Indiana
  • Thanks to the Black Cutworm Pheromone Trap Cooperators!
  • Armyworm, Certainly Worth Monitoring High-Risk Fields
  • Nematode Updates 2008 - Corn Nematodes
  • Late Planting/Replanting & Relative Hybrid Maturity
  • Requirements for Uniform Germination and Emergence of Corn
  • Nitorgen Loss Likely in Southern Indiana
  • Early Planted Corn Feeling "Under the Weather"
  • Shattercane Interference and Nitrogen Accumulation in Roundup Ready Corn
  • Delayed Preemergence and Early Postemergence Herbicides in Corn
(16 May)
Wisconsin Crop Manager Newsletter PDF-formatted document
Univ. of Wisconsin
  • UW Pest Management Field Day July 1.
  • How to price standing forage
  • Risk for Soybean Rust in Wisconsin Currently Low
  • Will we have Alfalfa Weevil Damage in 2008?
  • Cool Wet Weather May Increase Secondary Insect Injury to Corn
  • Moth ID Guide for Blacklight Trap Catch
  • Herbicides Kill Weeds – Why not the Crop?
(16 May)
Nebraska Crop Watch Newsletter
Univ. of Nebraska.
  • Wheat Update: Freeze Causes Little Damage
  • Wheat Disease Update: Leaf Rust Confirmed in Nebraska
  • Wheat Fungicides
  • Scouting Should be Underway for Alfalfa Weevils
  • Timing Post-Emergence Weed Control In Corn
  • Recommendations for Controlling Volunteer Corn in Soybean
  • Narrow Rows Aid in Velvetleaf Control
  • Control Common Mullein When Small
  • Insects Can Influence the Timing of Weed Management in Soybeans
  • How Preservatives Affect Hay Moisture
(16 May)
Michigan Field Crop Team Advisory Alert
Michigan State Univ.
  • Insects to watch 2008 - Part IV - More on grubs in general
  • Herbicide applications, especially micro-rates, need to be timely in sugarbeets
  • Weeds not controlled prior to soybean emergence can reduce yield
  • 2008 MSU Weed Tour
  • Weather effects on preemergence corn herbicide activation
  • Cool start to growing season affects corn
  • Diagnosing soybean emergence problems
  • Manganese management
  • Wheat disease update
  • Summer annual forage grasses for emergency crops
(16 May)
the Bulletin:
Pest mgmt & crop developmt information for Illinois
Univ. of Illinois
  • Insects and Incessant Rain
  • White Grubs and Their Subterranean Comrades
  • Wet and Waiting: Notes on Crop Planting and Emergence
(15 May)
Early Planted Corn Feeling "Under the Weather"
Bob Nielsen, Purdue Univ.
(15 May)
Missouri Integrated Pest & Crop Management Newsletter PDF-formatted document
Univ. of Missouri
  • Black Cutworm Damage To Corn Predicted For Week Of May 11
  • Troubleshooting Field Crop Problems Can Be A Pain
  • What Can A Preemergence Soybean Herbicide Do For You?
  • Controlling Water Is Almost Everything
  • Alfalfa Weevil Problems In Central And North Missouri Counties
  • Planting Time Calls For Extra Safety Precautions
(15 May)
Penn State Field Crop News
Penn. State Univ.
  • Folicur Receives Federal Registration on Cereal Crops
  • Grass Hay Fertilization Delayed
  • PRE/Early POST Herbicide Considerations for Corn
  • Weed Control in CREP and Non—Croplands
  • Forage Harvests Between the Rains
  • Cooler Temperatures and Cereal Pests
  • Double Crop Corn After Alfalfa
(13 May)
Ohio C.O.R.N. Newsletter
The Ohio State Univ.
  • Scouting Wheat and Proper Fungicide Use
  • Alfalfa Weevil Update
  • New Insecticides on Soybean
  • Armyworm and Black Cutworm Update
  • Use of Rock Phosphate in Agronomic Crops
  • Planting Delays and Switching to Earlier Maturing Corn Hybrids
  • Delayed Preemergence and Early Postmergence Herbicides in Corn
  • Late tillage – spray the field first?
  • Preventing algae in spray tanks
  • 2008 Great Lakes Regional Manure Handling Expo
(12 May)
Late Planting/Replanting & Relative Hybrid Maturity
Bob Nielsen, Purdue Univ.
(12 May)
Crop Supply and Demand: Still Lots of Questions
Darrel Good, Univ. of Illinois
(12 May)
Nebraska Crop Watch Newsletter
Univ. of Nebraska.
  • Examining High Phosphorus Prices and UNL Recommendations
  • Wheat Disease Update
  • Today's USDA Wheat Forecast
  • Wheat Plot Tours Scheduled for June
  • Begin Scouting for Alfalfa and Clover Leaf Weevils
  • Controlling Problem Weeds In Roundup-Ready Soybean With Soil-Applied Herbicides
  • Even Pressure A Must In Calibrating Sprayers
  • UNL Weed Science Web Site Updated, Features Added
  • Control Winter Annual Weeds to Conserve Moisture
(12 May)
Delayed PRE herbicide applications in corn
Micheal Owen, Iowa State Univ.
(12 May)
Iowa Integrated Crop Management Newsletter
Iowa State Univ.
  • Planters are Rolling and Corn is Growing
  • Seeding Rates in Relation to Maximum Yield and Seed Costs
(8 May)
Recent Changes in the Wheat and Barley Foliar Fungicide Status Quo PDF-formatted document
Don Hershman, Univ. of Kentucky
Originally published on US Wheat and Barley Scab Initiative Web site.
(8 May)
Purdue Pest & Crop Newsletter
Purdue Univ.
  • Low Black Cutworm Moth Catches, Armyworm Another Matter
  • Don't Forget the Alfalfa
  • Asiatic Garden Beetle is Back
  • New Fungicide Registrations for Wheat
  • New Narrated Soybean Production and Management Educational Presentations on the Plant Management Network Website
  • Germination Events in Corn
  • The Emergence Process in Corn
(8 May)
Michigan Field Crop Team Advisory Alert
Michigan State Univ.
  • Avitec Sandhill crane repellent still available in 2008
  • Soybean Hotline
  • Weed management in continuous corn
  • Update on wheat staging and foliar diseases so far this spring
  • Additional fungicides for Fusarium head blight on wheat this year - Folicur and Caramba
(8 May)
the Bulletin:
Pest mgmt & crop developmt information for Illinois
Univ. of Illinois
  • Time for Alfalfa Watch
  • Insect Resistance Management Program on DTN
  • Time to Crank Up the Vigilance for Armyworms
  • Watch for Other Insect Pests of Wheat, Too
  • Late Corn Planting--How Will Some Key Insects Respond?
  • Glyphosate-Resistant Waterhemp Recommendations Available to Download
  • University of Illinois Weed Science Field Research Tours
  • Folicur Fungicide Registered for Use on Wheat in Illinois
  • Corn and Soybean Planting: Issues Remain
(8 May)
Benefits of Preemergence Herbicides in Roundup Ready Soybean PDF-formatted document
Mark Loux & Jeff Stachler (Ohio State Univ), Bill Johnson & Glenn Nice (Purdue Univ.)
(8 May)
Penn State Field Crop News
Penn. State Univ.
  • Chilling Injury Potential in Corn
  • First Cutting 2008
  • Direct Cut Barley
  • Precut Rye Straw
  • Time to watch for Black Cutworms
(8 May)
Missouri Integrated Pest & Crop Management Newsletter PDF-formatted document
Univ. of Missouri
  • Agriculture and Carbon Credits
  • High Numbers of Alfalfa Weevil Larvae
  • Scouting for Soybean Rust In Missouri
  • White Grub Larvae Numerous in Many Crop Fields
  • Pest Update: Common Ragweed
  • Fusarium Head Blight or Scab of Wheat
  • Update on Wheat Diseases and Fungicides
(8 May)
Glyphosate-Resistant Weeds Confirmed in Minnesota
Jeffrey Gunsolus, Univ. of Minnesota
(6 May)
Ohio C.O.R.N. Newsletter
The Ohio State Univ.
  • Diagnosing Emergence Problems in Corn
  • Slugs and Field Crops
  • Nitrogen Accumulation by Annual Grass Weeds in Corn
  • Wheat Scab Risk Prediction 2008
  • More Fungicides Registered for The Suppression of Head Scab in Wheat
  • A new device to check accuracy of sprayer pressure gauges available now
(5 May)
Shattercane Interference and Nitrogen Accumulation in Roundup Ready corn PDF-formatted document
Bill Johnson & Glenn Nice, Purdue Univ.
(5 May)
Nebraska Crop Watch Newsletter
Univ. of Nebraska.
  • With Cold Wet Soils, Watch for Corn Seedling Diseases
  • Parameters for Using Preemergence Herbicides on Emerged Corn
  • Adjusting for Late Planted Alfalfa
  • Irrigating Alfalfa With Limited Water
  • Managing Spring Grazing To Reduce Excess Heading
(5 May)
Iowa Integrated Crop Management Newsletter
Iowa State Univ.
  • Surface Waters: Ammonium is Not Ammonia – Part Two
  • Field Testing of N-Hibit™ Seed Treatment in Iowa
  • Don’t Use More Pressure than Needed on Wet Soils
  • Adapting to Alfalfa Winterkill and Winter Injury
  • When is it Too Late Plant Forages?
  • Managing 2,4-D for No-Till Burndown Treatments
(5 May)
Corn Production Prospects Remain Uncertain
Darrel Good, Univ. of Illinois
(2 May)
Purdue Crop Diagnostic Training and Research Center wins award
Purdue Univ. News
(2 May)
Purdue Pest & Crop Newsletter
Purdue Univ.
  • Grubs Found During Planting
  • Alfalfa Weevil Management Guidelines and Control Products
  • Accumulated Heat Units for Alfalfa Weevil Development
  • Armyworm and Cutworm Moth Flights
  • Fungicides on Wheat
  • Nitrogen Accumulation by Annual Grass Weeds in Corn
  • The Benefits of Preemergence Herbicides in Roundup Ready Soybean
  • Indiana Farmers Changing to No-Till
(2 May)
Wisconsin Crop Manager Newsletter PDF-formatted document
Univ. of Wisconsin
  • How Much Do I Lose By Delaying My Soybean Planting Date?
  • Soybean Seed Quality and Seeding Rates for 2008
  • Corn Planting Progress
  • No-See’m Weeds
  • Insect Resistance Management and Refuge sRequirements for Bt Corn
(2 May)
Nitrogen Accumulation by Annual Grass weeds in Corn PDF-formatted document
Bill Johnson & Glenn Nice, Purdue Univ.
(2 May)
Penn State Field Crop News
Penn. State Univ.
  • Planning Ahead for N Tests
  • Alfalfa Weevil Scouting
  • The Importance of Scouting Fields
  • Barley Yellow Dwarf Virus
  • Wheat Scab Assessment
  • Small Grain Herbicide/Nitrogen Carriers
  • Glyphosate Use Considerations
  • 2,4–D in the Burndown Program
  • Cereal Rye Management
(2 May)
Missouri Integrated Pest & Crop Management Newsletter PDF-formatted document
Univ. of Missouri
  • Virus Diseases Beginning to Show Up in Missouri Wheat Fields
  • Cool, Wet Soils Increase the Likelihood of Corn Injury with Preemergence Herbicides
  • Line up Support System for Late Planting Operations
  • Potential for Black Cutworm Damage to Field Corn throughout North and Central Missouri
  • Applying Preemergence Herbicides to Emerged Corn
(2 May)
Michigan Field Crop Team Advisory Alert
Michigan State Univ.
  • Insects to watch 2008 - Part III - soybean aphid
  • S-B-A and K... what's the link?
  • Weed control in soybeans can benefit from preemergence soil-applied herbicides
  • Delayed preemergence and early postemergence herbicide applications in corn
  • Allocating fertilizer resources for crop production
  • Managing higher priced fertilizer inputs
  • Fusarium head blight risk assessment models and DON prediction model
(2 May)
Kentucky Pest News
Univ. of Kentucky.
  • Armyworm Moth Capture Reaches Record Numbers
  • Armyworms in Corn?
  • Armyworms in Wheat
(2 May)
the Bulletin:
Pest mgmt & crop developmt information for Illinois
Univ. of Illinois
  • Insect Updates During the Holding Pattern
  • Hero Insecticide Labeled for Use on Soybeans
  • Weed Control in Corn and Wet Field Conditions
  • Plant Clinic Services Available
  • Caramba Fungicide Registered on Wheat
  • Soybean Rust Update and Monitoring Efforts
  • Sidedressing Nitrogen for Corn