May 2006

(25 May)

Crappy Stands of Corn

Bob Nielsen, Purdue Univ.

(25 May)

Thin Soybean Stands – Should I Replant, Fill In, or Leave it Alone?

Shawn Conley, Purdue Univ.

(25 May)

Is it Time to Plant an Earlier Maturity Group Soybean?

Shawn Conley and Greg Shaner, Purdue Univ.

(25 May)

Purdue Pest & Crop Newsletter

Purdue Univ.

• It’s a Zoo Out There
• Armyworm, Don’t Go Away
• Herbicide Rotation Restrictions and Application Times
• Nitrate-Nitrogen: Here Today Gone Tomorrow
• Crappy Stands of Corn
• Thin Soybean Stands - Should I Replant, Fill In, or Leave it Alone?
• It is Time to Plant an Earlier Maturity Group Soybean?

(25 May)

Heat Canker and Frost Damage in Small Grains

Jochum Wiersma,, Univ. of Minnesota

(25 May)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Soybean rust update
• Watch for wheat scab
• Pre-harvest interval drops for Warrior/Zeon in soybean
• Soybean rust website expands to include soybean aphids
• Update on soybean aphid on buckthorn
• Pictures of springtails feeding on soybean cotyledons
• Pale yellow and purple corn
• Postemergence crabgrass control in corn
• Herbicide selection for postemergence weed control in corn
• 2006 MSU Weed Tour
• Glyphosate drift on wheat

(25 May)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Potential for Nitrogen Loss After All the Rain
• Slug Update
• Cutworm In Corn
• Will There Be Root Rots?
• Weed Management Issues in Soybeans
• Section 18s and Soybean Rust
• Powdery Mildew is Still on the Move in Spite of the Cold Temperatures
• The Risk of Wheat Scab Remains Low in Ohio
• Alfalfa Insects
• Estimating Soybean Stands
• Armyworm in Corn and Wheat - May 24 Update

(25 May)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Missouri Sunflower and Rice Nitrogen Recommendations Updated
• Corn Disease Update
• Early Season Soybean Diseases
• Prime Grain Storage Weather Past
• Plan Now to Attend the MU Weed and Pest Management Field Day on July 12th
• Wheat Drying and Storage
• Few Insect Problems Found During Past Two Weeks
• Bean Leaf Beetle in Soybean

(25 May)

Kentucky Pest News

Univ. of Kentucky.

• Introduction to soybean aphid information for Kentucky in 2006
• What will the soybean aphid bring to Kentucky in 2006?
• Soybean aphid over-wintering for 2005-2660: A preview
• Insecticides for use against soybean aphid on soybean in Kentucky
• KY joins with other states to add soybean aphid to the soybean rust sentinel system

(25 May)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• An Inventory of Field Crop Insect Issues in the Midwest
• Scrutinize Early-Planted Soybean Fields for Bean Leaf Beetles
• European Corn Borer: A Secondary Insect Pest for Now?
• Pythium Rots
• Oversized Vegetation in Soybean Fields
• Crop Development as Spring Planting Wraps Up

(23 May)

Pathologist: Soybean rust probable in Ohio this year

Purdue/Ohio State AgAnswers

(23 May)

Agriculture's Drive And Dine Menu

Darrel Good, Univ. of Illinois

(23 May)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Wheat condition deteriorating in western Nebraska
• Wheat rust found in central Nebraska
• Controlling volunteer corn in soybean
• Controlling common mullein in pastures
• Tips for tuning up your irrigation system for the season ahead
• Test and adjust irrigation pump impellers to improve efficiency
• White grubs identified in pastures

(19 May)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Can residue be managed successfully with no-till?
• Bean leaf beetles return--with a vengeance
• Fungicides: Terminology
• Early-season insects in your corn field

(19 May)

Nitrate-Nitrogen: Here Today Gone Tomorrow?

Jim Camberato & Brad Joern, Purdue Univ.

(18 May)

Running Out of Rainy Day Jobs?

Bob Nielsen, Purdue Univ.

(18 May)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Are Field Crop Insects Singing in the Rain?
• What About Slugs
• Replanting Corn and Soil Insecticide Restrictions
• Nematode updates: What Should We Expect From Nematodes This Spring?
• Weed Management Considerations in Corn in a Wet Spring
• Herbicide Restrictions on Crop Rotation
• Seedling Blights
• Crazy Top of Corn
• Wheat Head Scab
• Take Time to Evaluate Corn Stand Establishment
• Corn Replant Decision-Making
• Late Planting/Replanting & Relative Hybrid Maturity
• I Found A Dead Bird.....Now What Do I Do?
• Forage Day 2006

(18 May)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Managing corn and soybean fields submerged by recent heavy rains
• Recent rains may be too late for incorporation of soil-applied herbicides
• Wheat disease update
• Nitrogen availability

(18 May)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Revised WPS How to Comply Manual
• An Inventory of Field Crop Insect Issues in the Midwest
• Corn Rootworm Hatch: A Memorial Day Event in Many Years
• Don't Neglect Scouting of Cornfields for Black Cutworm Injury
• Southern Corn Leaf Beetles Observed in Some Areas
• Alfalfa Weevils and Natural Control Agents
• Corn Injury and Herbicides
• The Bane of Socrates--Becoming More Familiar to Illinois Farmers?
• Stand Issues Following a Wet, Cool Week

(16 May)

Late Planting/Replanting & Relative Hybrid Maturity

Bob Nielsen, Purdue Univ.

(16 May)

Are Field Crop Insects Singing in the Rain?

John Obermeyer, Christian Krupke, and Larry Bledsoe; Purdue Univ.

(16 May)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Flea Beetles on Corn
• Cutworm Feeding Observed
• Ponding Effects on Corn
• Postemergence Application Timing in Corn
• Postemergence Grass Herbicides in Corn
• Should I Apply Fungicide as a Preventative Against Wheat Diseases?
• Wheat Scab Update
• Wheat, Virus Infection, or Nutrient Deficiency, What is Affecting the Wheat Crop?
• I Terminated My Wheat Stand (After Topdressing), How Much Nitrogen can I Count on for My New Corn Crop?
• Broadcast versus Banded Applications of Fertilizer – Which is the Best?

(16 May)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Freeze and drought concerns for western Nebraska wheat
• Research and recommendations on late planting corn
• Options for using corn killed at various stages
• Modeling software offers perspective on delayed planting scenario
• Off-colored corn seedlings likely a temporary circumstance
• USDA reports on the first decade of genetically engineered crops
• Watch for alfalfa weevil and clover leaf weevil activity

(15 May)

USDA Reports Support Crop Prices

Darrel Good, Univ. of Illinois

(15 May)

Corn Replant Decision-Making

Bob Nielsen, Purdue Univ.

(12 May)

Take Time to Evaluate Corn Stand Establishment

Bob Nielsen, Purdue Univ.

(12 May)

Already?! Cutworm damage showing up earlier in corn

Purdue/Ohio State AgAnswers

(12 May)

Listless corn crop could signify emergence problems

Purdue/Ohio State AgAnswers

(12 May)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Black Cutworm Damage Ahead of Schedule
• Armyworm, It’s Now or Never
• What Do We Do About the Yellow Fields
• Cressleaf Groundsel and Indiana
• Herbicide Resistance Screening Available at Michigan State University Diagnostic Services

(12 May)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Soybean Rust and Nematodes Discussed at Crop Session
• Small Grains Program to Be Held June 22
• Weed Science Field Tour
• Plenty of White Grubs Being Found in Cornfields
• Bean Leaf Beetles Deserve Attention on Early-Planted Soybeans
• Potato Leafhoppers Have Arrived in Some Alfalfa Fields
• Survey of Buckthorn Reveals Low Soybean Aphid Overwintering Densities
• Foliar Wheat Disease: Is There Fungus Among Us?
• Staging Corn Plants and Implications Associated with Herbicide Applications
• How Shalt Thou Rotate?
• Looking at Early Corn Development

(11 May)

Indiana Crop Inprovement Association Certified Forage Program Toxic Plant Guide

Glenn Nice (Purdue Univ.) & Joe DeFord (IN Crop Improvemt Assoc.)

(11 May)

What Do We Do About the Yellow Fields?

Bill Johnson & Glenn Nice, Purdue Univ.

(11 May)

Cressleaf Groundsel and Indiana

Glenn Nice, Bill Johnson, and Tom Bauman, Purdue Univ.

(11 May)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Weeds Escaping Preemergence Herbicides?- Some Strategies to Consider Kill dandelions now!
• Staging Growth in Early Season Corn
• Bean Leaf Beetle
• Black Cutworm
• Slug Update
• Herbicide Treatments to Control Failed Stands of Wheat
• Armyworms, Wheat, and Proper Management
• Aphids on Wheat
• Frost Damage on Wheat
• Fungicides for Powdery Mildew Control on Susceptible Wheat Varieties

(11 May)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Fusarium Head Blight or Scab of Wheat
• Spray-Smother-Spray
• Winter Wheat Update- May 9, 2006
• Scattered Problems with Black Cutworm Larvae

(11 May)

Is There Such A Thing As A Seed Inoculant For Wheat And Corn?

Jochum Wiersma & Dale Hicks,, Univ. of Minnesota

(11 May)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Why are corn seedlings turning purple?

(11 May)

What Next For Corn Prices?

Darrel Good, Univ. of Illinois

(5 May)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Beware of pythium diseases following recent cool, wet weather
• Early soybean planting dates – the route to higher yields
• Tips for maximizing yield with early planted soybean
• Scout emerging soybeans for bean leaf beetles
• Even with seed treatments and Bt corn hybrids: Scout emerging corn for insect pests
• How insects influence the timing of weed management in soybeans
• Preemergence corn herbicides applied postemergence
• Time-saving tips for planting alfalfa
• Spray Roundup Ready alfalfa early; eliminate non-resistant plants
• Cutting excess spring pasture for hay

(5 May)

Kentucky Pest News

Univ. of Kentucky.

• True Armyworm Moth Capture Decreasing
• Monitor Corn for Cutworms
• Cereal Leaf Beetle Active in Small Grains

(5 May)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Mistaken Identity Leads to Expensive Mistakes
• Black Cutworm Arrival and Development May Coincide With Corn Yet
• Planted Armyworm, Still Quiet on the Front

(5 May)

Wisconsin Crop Manager Newsletter

Univ. of Wisconsin

• Should High Potash Prices Change Alfalfa Fertilization Practices?
• Alfalfa Weevil Egg Hatch and Larval Development
• Herbicide Resistant Weed Review

(5 May)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Mild winter leads to early season insect problems
• Butterflies, moths, skippers, oh my?
• Winter annuals and insects
• Dandelion management in field and forage crops
• Delayed herbicide application in corn
• Delaying burndown herbicide applications in no-till soybean can reduce yield
• Growing non-GMO soybeans: What do you need to know?
• Soybean rust factsheet now available
• Using models to predict fusarium head blight and DON levels in wheat
• Folicur fungicide for wheat head scab
• Soybean aphid control with seed-applied insecticides
• Manganese deficient wheat
• Schedule of Small Flock Avian Influenza H5N1 Meetings

(5 May)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Did the recent cold weather affect corn germination and seedling growth?
• Black cutworms return, 2006 cutting dates predicted
• Alto 100SL approved for soybean rust
• Postemergence application of herbicides in corn
• Predictive equations of alfalfa quality (PEAQ)
• Soybean rust update and potential early season activities
• Bean leaf beetles: A historical perspective
• The heat is on!
• Alfalfa weevils few and far between

(5 May)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Alfalfa Watch
• Intense Flights of Black Cutworm Moths Continue in Widely Scattered Areas of Illinois
• Soil Insect Pests in Corn Will Be Noted Soon
• Cowpea Aphid Densities Diminish in Some Fields
• Alfalfa Weevils Still Noted in Several Areas
• Soybean Aphid and Potassium Fertility: Update on Continued Research
• Section 18 Label Granted for the Fungicide Alto 100SL for Asian Soybean Rust on Soybean
• Fungicides and Soybeans: When Should You Use Them?
• Soybean Rust Scouting Resources
• Winter Wheat Disease Update
• Remember the Rotary Hoe?
• Delayed Applications of Soil-Applied Corn Herbicides Dry Soils and Grass Escapes in Corn
• Planting Issues: Looking Back and Looking Ahead

(3 May)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Frost Damage in Alfalfa
• Rainfall Concerns - Preemergence Herbicides
• Scouting & Managing Leaf Diseases of Wheat With Fungicides
• A Checklist for Corn Emergence Problems
• Surface Lime Applications and Nitrogen Management and Pelletized Lime

(1 May)

Corn planted but no herbicides applied - now what?

Micheal D. K. Owen and Bob Hartzler, Iowa State Univ.