April 2006

(30 Apr)

Too much of good herbicide bad for weed control

Purdue/Ohio State AgAnswers

(30 Apr)

Bean leaf beetles right on time for early soybeans

Purdue/Ohio State AgAnswers

(28 Apr)

Wisconsin Crop Manager Newsletter

Univ. of Wisconsin

• Managing Corn Seed Costs
• Drying Forage for Hay and Haylage
• Packing Silage – Get It Right
• Corn Seed Treatment for Sandhill Crane Repellency – Know your Labels
• Soybean Rust in Mexico: An Update
• Soybean Burndown Addition
• Crop Rotational Restrictions

(28 Apr)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Wheat testing positive for wheat streak mosaic virus
• Wheat rusts reported in Midwestern states
• Large areas at risk for grasshopper damage this summer
• Reducing on-farm energy costs: Apply these tips to your farm
• For nitrogen, tillage and irrigation: Energy estimators help you cut energy use and costs
• Timing the first alfalfa cutting
• Assessing freeze damage in alfalfa
• Reducing ragweed in pastures
• Weed Science Field Days set for June

(27 Apr)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Bean Leaf Beetle Finding Early Soybean
• Armyworm and Black Cutworm Moth Update
• Quick Burndown Programs for No-Till
• Purdue Researcher Offers Wheat Virus Screening
• Profitability of Cutting Seeding Rates: Fact or Fiction
• The 2006 Crop Diagnostic Training and Research Center’s Workshop Schedule

(27 Apr)

Costs of Alternative Tillage Systems

Gary Schnitkey and Dale Lattz, Univ. of Illinois

(27 Apr)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Glyphosate-Resistant Weeds: Pay now or Pay Later. Which is Better?
• Troubleshooting Field Crop Problems
• Black Cutworm Moth Captures Remain High in Central Missouri
• Pea Aphid Problems Continue in Alfalfa
• Seed Decay and Seedling Blights of Corn

(27 Apr)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Look out for an early season corn nematode problem
• Horseweed -- A weed on the rise
• Seed treatments, black cutworms, and white grubs: What should you expect?
• Iowa soybean rust sentinel plots
• Alfalfa aphid problems noted in central Illinois
• Phosphorus management publication now available

(27 Apr)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Black Cutworm Flights Diminish in Southern Illinois: Careful Scouting Still Warranted
• Heavy Infestations of Cowpea and Pea Aphids in Alfalfa
• Continue Scouting and Use of Thresholds for the Variant Western Corn Rootworm: An Overlooked and Ignored Management Approach?
• Liquid Carriers for Herbicides After Corn Emergence
• Control of Volunteer Corn
• Windy Conditions and Herbicide Applications

(25 Apr)

Profitability of Cutting Seeding Rates: Fact or Fiction

S. Conley and G. Shaner, Purdue Univ.

(24 Apr)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Don’t Delay Planting Corn
• Wheat Scab Risk Prediction Tool And Wheat Update
• Don’t Forget Soybean Seed Treatments
• Soybean Rust Update for April
• Scout For Slugs
• Alfalfa Weevil Update
• Progress of Giant Ragweed Seedling Emergence

(24 Apr)

Quick Burndown Programs for No-Till

Bill Johnson & Glenn Nice, Purdue Univ.

(24 Apr)

Trumpetcreeper Control

Bill Johnson & Glenn Nice, Purdue Univ.

(21 Apr)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Note pre-emergence label restrictions when controlling winter annuals
• Why do growers apply glyphosate late?
• Comparison of glyphosate-based herbicides in Nebraska
• Tan spot causing yellowing of wheat planted into wheat stubble
• Refuge requirements for corn -- specifics and variances
• The important of IRM compliance
• Scout for army cutworms in alfalfa and wheat; new generic treatments available
• Use no-till and residue to conserve soil moisture -- save 5-12+ inches
• Research review: Residue reduces soil moisture evaporation

(20 Apr)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Grubs, Hairy Butts Are Revealing
• Alfalfa Weevil Management Guidelines and Control Products
• Armyworm and Cutworm Moth Flights, What’s Going On?
• Trumpetcreeper, One Tough Plant
• Risk Model for Fusarium Head Blight of Wheat
• Impact of Hail on Jointing Wheat

(20 Apr)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Winter Wheat Update- April 17, 2005
• Two beneficial weevils active on musk thistles
• Aphid Problems in Wheat
• Black Cutworm Moths Numerous in Many Areas of the State
• EPA Makes Revised WPS How-to-Comply Manual Available
• High Numbers of Armyworm Moths In Southern and Central Missouri

(20 Apr)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Sandhill crane repellent (Avitec) approved for the 2006 field season
• Soybean seed applied inoculation
• Mark your calendars: MSU Weed Tour and Crop Diagnostic Day dates
• Recommendations for successful establishment of Roundup Ready alfalfa
• Effectiveness of burndown herbicides for winter annual and perennial weed control in corn and soybeans
• Weed management in wheat
• Benefits of using soil-applied residual herbicides in soybeans
• Section 18 for Folicur
• Nitrogen fertilizer management strategies
• Planting strategies for Bt rootworm corn refuge areas
• Considerations for planting soybeans early

(20 Apr)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• U of I Announces 2006 Field Days
• Intense Black Cutworm Flights in Central and Northern Illinois
• Insect News Around Illinois
• Time to Sample for Corn Nematodes
• Control Existing Vegetation Before Planting
• Is That What I Think It Is?
• What's in That Premix?
• Use Caution When Preplanting Anhydrous Ammonia and/or Using Urea in Starter
• Soybean Planting Considerations

(19 Apr)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Alfalfa weevil--consider cutting as a management option
• Nothing but (sweep) net
• 2006 predictions for corn flea beetles and Stewart's disease
• Available fungicides for management of soybean diseases in Iowa for 2006
• Glyphosate stewardship information is available

(19 Apr)

Kentucky Pest News

Univ. of Kentucky.

• True Armyworm Trap Captures Remain High!
• So, You Think You Might Have Wireworm Problems
• Apparent Aphid Damage to Orchardgrass
• Cutting Management and Leaf Diseases of Alfalfa
• SCN-Resistant Soybean Varieties May Be Offering Farmers a False Sense of Security

(18 Apr)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Nitrogen Credit for Corn following Soybeans and Online User’s Guide
• Foliar Fertilizers; The Agronomic Considerations
• Use Skip- Rows For Soybean Pest Control
• A Marestail Update
• Weed Management Publications Available And Free!
• Transgenic Corn And Refuge Planting
• Cutworm Moths Flying In Ohio
• Weed ‘n’ Feed Nitrogen Application; Should I Put All My Eggs in One Basket?
• Heat Unit Requirements for Corn Emergence
• Ag Answers Is Another Excellent Agronomy Information Source

(17 Apr)

Soybean Price Has Nine Lives

Darrel Good, Univ. of Illinois

(15 Apr)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Black Cutworm Moths Blowing Into Indiana
• Alfalfa Weevil Damage Beginning in Southern Indiana
• Calibrate Granular Insecticide Boxes Before Planting
• Shattercane Interference and Nitrogen Accumulation in Roundup Ready Corn
• Poison Hemlock Control in Corn and Soybean

(15 Apr)

Biology and Management of Wild Buckwheat

Rich Zollinger (North Dakota State Univ.), Dallas Peterson (Kansas State Univ.), and Mike Moechnig (South Dakota State Univ.)

(15 Apr)

The Benefits of Preemergence Herbicides in Roundup Ready Soybean

Mark Loux & Jeff Stachler (Ohio State Univ.) and Bill Johnson & Glenn Nice (Purdue Univ.)

(15 Apr)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Controlling spring 'crop' of winter annuals
• Soil-borne wheat mosaic being found in wheat
• Nebraska field study: Long-term no-till more profitable than tilled systems
• Setting planting equipment for successful no-till
• Conduct a preseason field check of planting equipment

(15 Apr)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Time to Test for Endophyte in Pastures
• Foliage Diseases of Winter Wheat and Their Management
• Foliar Fungicides Labeled for Use on Winter Wheat
• Aphid Problems in Wheat
• Black Cutworm (BCW) Moth Captures Increased During Past Week
• Alfalfa Weevil Problems Continue in Southern and Central Missouri
• Ordinary nozzles very effective when used properly
• Fertilizer Efficiency–What’s the Limit?

(15 Apr)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Name change for western bean cutworm
• Questions concerning Section 18 fungicides
• Start challenging your production practices
• What is the best seeding rate for corn based on seed prices and yield level?
• 04-05-06 and the multicolored Asian lady beetle

(15 Apr)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Remember to Plant Non-Bt Corn Refuges
• Black Cutworm Flights Getting in Full Swing
• Early Spring Insects and Weeds--Some Things Just Don't Work Together
• True Armyworm Moth Captures Reach Impressive Levels in Kentucky
• Anticipating Alfalfa Weevils Section 18 Label Granted for the Fungicide Folicur to Control Fusarium Head Blight (Scab) on Wheat in Illinois in 2006
• Winter Wheat Disease Virus Update
• The Illinois Outlook: Can It Happen Here?
• Know What's Planted Where When Corn Follows Corn

(11 Apr)

Kentucky Pest News

Univ. of Kentucky.

• True Armyworm Moth Captures on Rise Again!
• Watch for Armyworm in Corn This Spring
• Controlling True Armyworm in Small Grains
• Armyworms in Pastures and Hayfields
• Mild Winter, Watch for Corn Flea Beetle in Corn
• Cowpea Aphids and Alfalfa
• Folicur Approved by EPA for Managing Fusarium Head Blight in Wheat

(11 Apr)

Pre-emergence herbicides hard to resist for weeds

Purdue/Ohio State AgAnswers

(11 Apr)

Nitrogen Guidelines For Corn: Out With The Old, In With The New

George Rehm, Gyles Randall, and John Lamb, Univ. of Minnesota

(11 Apr)

Corn & Soybean Science Newsletter

Univ. of Kentucky

• Marestail in Soybean
• Time and Soybean Management
• Early Maturities
• Soybean Populations and Yield
• Seed Costs – Corn

(10 Apr)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• The Soybean Rust Tales Begin
• Soybean Inoculation
• Soybean Fungicides
• Recommended Planting Practices for Managing “Pollen Drift” from Transgenic Corn
• Scout For Alfalfa Weevil
• Predicting Giant Ragweed Seedling Emergence To Better Manage Postemergence Glyphosate Applications
• Wild Turnip Control
• Corn Planting Tips

(10 Apr)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• In spite of cool weather, weevils will hatch
• Crop Production Roundup(R)-tolerant alfalfa likely to be used in Iowa this year
• Now's the time to control biennial weeds
• Soybean planting date
• Evaluating the spring alfalfa stand
• Winter temperatures and soybean aphid survival
• Iowa Noxious Weed Seed Free Forage and Mulch Program announced
• Understanding the risk of soybean rust in Texas for soybean production in Iowa
• Soybean seed quality in 2006
• Early season disease management in soybeans
• Is tillage needed for your soybean crop?

(9 Apr)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Nebraska winter more than 4° above average; January warmest on record
• Nebraska soybean rust forecast for 2006
• Nebraska corn at higher risk for Stewart's wilt and flea beetle damage in 2006
• Mild winter likely to affect insect populations
• Herbicide treatment window in wheat narrows; check wheat growth stage
• Wheat disease update: Rusts identified in southern states
• When to use perennial ryegrass in the Great Plains
• With limited water, consider benefits of forage
• Reseeding thin or dead pasture areas

(9 Apr)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Still Looking for N Rate Cooperators
• Videos from the 2006 Illinois Crop Protection Technology Conference Now Viewable from Our Web Site
• The Plant Management Network Is Worth Checking Out
• Controlling Corn Soil Insect Pests
• Time for Alfalfa Weevils Is Drawing Near
• Do Aphids in Wheat Pose a Threat?
• It's Really a Matter of Time
• Wheat Conditions Improve
• Time to Plant Corn?

(9 Apr)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Soybean rust fact sheet insert
• Penn State model updated for Fusarium head scab of wheat
• Soybean aphid chemical control: foliar sprays
• Soybean aphid chemical control: seed treatments
• Updated spreadsheet shows hauling manure farther can pay off

(6 Apr)

Are Weeds Tougher to Kill with Glyphosate?

Chris Boerboom, Univ. of Wisconsin

(6 Apr)

Where Are the Herbicide Companies?

Chris Boerboom, Univ. of Wisconsin

(6 Apr)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Wheat Disease Update
• Soybean Rust Update
• High Potential for Flea Beetle Problems in Field Corn?
• Complementary equipment yields ultimate control and improved efficiency
• Influence of Fall and Spring Herbicide Applications on Soil Temperature and Moisture in No-Till Soybean: 1st Year Results
• Alfalfa Weevil Problems Common in Alfalfa Fields in Southern Missouri

(4 Apr)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Changes in Cruiser Label
• What Should Be Planted First – Corn or Soybeans?
• Spring Residual and Burndown Treatments in No-Till Soybeans
• Tips for Planter Maintenance to Improve Stand Establishment in Corn
• The Organic Certification Process for Crops

(3 Apr)

Planting Intentions Provide Market Surprise

Darrel Good, Univ. of Illinois

(2 Apr)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• UNL releases new nitrogen needs calculator for corn
• Spring nitrogen management for winter wheat
• Slow release nitrogen fertilizers may increase N efficiency
• Using starter fertilizers for corn, grain sorghum, and soybeans
• Applying manure before seeding alfalfa
• Key Extension resource: Nutrient Management for Agronomic Crops in Nebraska
• New version of Hybrid-Maize simulation software released
• Recommended seeding rate for irrigated corn
• Seeding rates for skip-row rainfed corn
• Recommended seeding rates for dryland corn
• Recommended soybean seeding rate
• Adjusting soybean rate for possible iron chlorosis
• Recommended soybean seeding date
• New herbicides and formulations for 2006
• Downy mildew of alfalfa: Watch for it in early spring
• Salvaging poor wheat stands
• Getting the most value from grazing CRP

(2 Apr)

Enzymes, Microbes, and Other Good Things

George Rehm, Univ. of Minnesota

(2 Apr)

Help Wanted

George Rehm, Univ. of Minnesota

(2 Apr)

The Test Plot or The Testimonial

George Rehm, Univ. of Minnesota

(2 Apr)

Kentucky Pest News

Univ. of Kentucky.

• True Armyworm Flight: What's Going On?

(2 Apr)

Now's the time to control biennials

Bob Hartzler, Iowa State Univ.

(2 Apr)

Biennial thistles of Iowa

Bob Hartzler, Iowa State Univ.

(2 Apr)

Get ready for weeds in early Roundup Ready corn

Purdue/Ohio State AgAnswers

(2 Apr)

Weed guide bursting with advice for popcorn growers

Purdue/Ohio State AgAnswers