April 2005

(29 Apr)

Cool temperatures send shivers up grower's backs

Purdue/Ohio State AgAnswers

(29 Apr)

Stress Continues for Corn Growing Under Refrigerated Conditions

Bob Nielsen, Purdue Univ.

(29 Apr)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Corn Flea Beetle or Frost Damage?
• Black Cutworm Moth Flight Has Been Low This Spring
• Bean Leaf Beetle Waking Up from Winter’s Nap
• Cold Weather and Postemergence, Spike Stage Herbicide Applications in Corn
• Did We Dodge a Frozen Corn Bullet?

(29 Apr)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Updated budgets reinforce benefits of rotations
• How chloride can influence soybean yield response to irrigation
• 2004 results from long-term tillage comparison
• Narrow rows reduce velvetleaf competitiveness
• Alfalfa weevils visible in southern Nebraska; start scouting
• Rains may lead to increasing wheat diseases
• Herbicide options for sunflower

(29 Apr)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Hand Lenses to Aid in Diagnosing Soybean Rust
• Applying Preemergence Herbicides to Emerged Corn
• Microscopes for Diagnosing Soybean Rust
• Alfalfa Weevil NumbersDecrease due to Fungal Pathogen
• Cutworms Causing Significant Damage to Seedling Corn
• Fall-applied N may be lost

(29 Apr)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Time for Early-Season Corn Insect Pests
• Quick Status of Soybean Aphids
• Corn Seed and Seedling Diseases
• Factors That Increase the Likelihood of Corn Injury
• Horseweed Control Issues with Glyphosate
• Horseweed (Marestail) Identification and Biology
• Interactive Web Page for Glyphosate Formulation Comparisons
• Return to "Normal"

(28 Apr)

Soybean rust found on volunteer soybeans in SW Georgia

Marilyn Cummins, Editor, StopSoybeanRust.com

(28 Apr)

Kentucky Pest News

Univ. of Kentucky.

• New imidacloprid hopperbox treatments available for corn
• Do soybean production practices need to change due to soybean rust?
• Folicur: A new tool for managing Fusarium head blight in wheat

(28 Apr)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Bean leaf beetles: Numbers low but survival high

(28 Apr)

Burndown programs turn heat up on maverick marestail

Purdue/Ohio State AgAnswers

(25 Apr)

Cold Weather and Postemergence, Spike Stage Herbicide Applications in Corn

Bill Johnson, Purdue Univ.

(25 Apr)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• What to do When You’re Between Preemergence and Postemergence
• Causes of Underground Leafout and Emergence Problems in Corn
• Effect of Saturated Cold Soil on Crop Emergence
• Impact of Freezing Temperatures and Snow on Corn Survival
• Nitrogen Rates and Nitrogen Prices - Deciding What to Do
• Marestail (Horseweed) Has Bolted – What are the Options?
• Cold and Snow Has Not Hurt Wheat

(25 Apr)

Underground crops could be future of 'pharming'

Purdue News Service

(24 Apr)

Did We Dodge a Frozen Corn Bullet?

Bob Nielsen, Purdue Univ.

(22 Apr)

Kudzu turning over new leaves in Indiana counties

Purdue/Ohio State AgAnswers

(22 Apr)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Early soybean planting crucial to optimizing nodes
• Low soybean pod heights increase harvest losses
• With all the news about rust, don’t forget about seedling diseases
• Check emerging soybeans for bean leaf beetle damage
• Late aphids can cause up to 20% yield loss
• Alfalfa weevil egg hatch begins
• Choosing a pre-emergence herbicide for soybeans
• Control winter annuals to conserve moisture
• Tips for successful sunflower planting

(22 Apr)Purdue Pest & Crop Newsletter

Purdue Univ.

• Grub Problems: Wait and See
• What Should We Expect from Nematodes This Spring
• Black Cutworm Adult Pheromone Trap Report
• Black Light Trap Catch Report
• Poison Hemlock – The Toxic Parsnip
• A Risk Model for Fusarium Head Blight of Wheat is Up and Running
• Leaf and Head Blight of Wheat

(22 Apr)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Value-added Opportunities
• Seed Decay and Seedling Blights of Corn
• Alfalfa Weevil Update
• Cutting of Corn Plants by Dingy Cutworm

(22 Apr)

Winterkill in Winter Wheat

Jochum Wiersma, Univ. of Minnesota

(22 Apr)

Soil Compaction: What Can You Do?

Jodi DeJong-Hughes, Univ. of Minnesota

(22 Apr)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Recently planted fields at risk for insect damage later
• Soybean aphid eggs hatch in central Michigan
• Soybean aphids and virus transmission
• General information on soybean rust
• Cool weather and corn emergence
• Loss of N from Urea
• Weed management in wheat
• Effectiveness of burndown herbicides for winter annual and perennial weed control in corn and soybeans
• Weed control in non-GMO soybean
• New options for weed control in soybean
• Major weather changes in progress

(22 Apr)

Kentucky Pest News

Univ. of Kentucky.

• Dandelion in grain crops
• Storcide™ II replaces Storcide™ for control of stored grain insect pests
• Human health hazards of inspecting stored grain

(22 Apr)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Insect Management Research Under Way
• First Intense Capture of Black Cutworm Moths
• Corn Flea Beetles Feeding on Seedling Corn
• Soybean Aphids: Impact of Soil Potassium and Overwintering Temperatures on Population Dynamics
• European Researchers Investigate the Influence of Maize Roots and Subsequent Infection Rates of Western Corn Rootworm Larvae by Nematodes
• Weed Species of Interest
• Planting Progress and Issues
• Challenges for Alfalfa Growers

(20 Apr)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Early Plantings and Corn Emergence
• Dry Weather and Preemergence Herbicide Activity
• Rust Update for Mid-April Alfalfa Weevil and Warmer Weather
• Slugs
• Is Aerial Application as Effective on Soybean Rust as Ground Applications?

(19 Apr)

Corn Gives Up Price Gains, Soybeans Retain Some

Darrell Good, Univ. of Illinois

(17 Apr)

Fungicides don't always do well in 'mixed' company

Purdue/Ohio State AgAnswers

(17 Apr)

Slime and again, slugs return to pester farmers

Purdue/Ohio State AgAnswers

(17 Apr)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Don’t Forget the Alfalfa
• Soybean Aphid Waking from Winter’s Nap
• Black Cutworm Adult Pheromone Trap Report
• Star-Of-Bethlehem

(17 Apr)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Soybean aphid seed treatments not recommended
• Customize soybean inoculants, treatments to specific needs
• List of soybean seed treatments
• When should inoculants be applied?
• Studies show value of SCN-resistant varieties
• When's the "right time" for irrigating winter wheat?
• Roundup Ready alfalfa offers flexible weed control
• Rhizobium inoculants for clovers, alfalfa
• Use care when burning grasslands
• Strategies for early season weed control in soybeans
• Battling winter annuals: Plan now to attack them in fall

(17 Apr)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Marketing of Grain from Corn Hybrids with the "NK603" Biotech Event
• Alfalfa Weevil Problem in 2005
• Herbicide Options for Bermudagrass Establishment
• Foliage Diseases of Winter Wheat and Their Management
• Black Cutworm Moth Catch Moderate, but Increasing
• Sprayer Workout: Will your pump put out?
• Foliar Fungicides Labeled for Use on Winter Wheat Updated April 2005

(17 Apr)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Evaluating soil moisture before field preparation and planting
• Alfalfa weevil: Scouting and economic thresholds
• Corn flea beetles and Stewart's disease risk for 2005
• The importance of an even start
• Iowa Soybean Rust Fast Track System to be tested spring 2005
• Be prepared for Asian soybean rust this growing season

(17 Apr)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Gather Information from Multiple Sources
• Information on Three New Agricultural Pests Enhances Web Tool for Farmers
• Moth Captures Indicate That Some Pests of Concern Are Arriving in Illinois
• A Little Clarification About Practicing Safe S.E.X. in 2005
• Scouting for Alfalfa Weevils
• Soybean Aphids and Rust: Looking at the Glass Half Full
• Outlook for Soybean Rust in Illinois
• Update on Management of Soybean Rust with Fungicides in Illinois
• Considerations for Controlling Existing Vegetation Before Planting
• Predicting Weed Emergence
• Crop Conditions and Soybean Seeding Rates

(13 Apr)

Third Florida County Reports Rust

DTN Soybean Rust Information Center

(13 Apr)

The importance of an even start

Bob Hartzler, Iowa State Univ.

(13 Apr)

Weed control strategies click with computer program

Purdue/Ohio State AgAnswers

(11 Apr)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Proven Practices for Getting Your Corn Crop off to a Good Start
• Weed Management Issues for Early-Planted Corn
• Stage Wheat to Avoid Injury from Dicamba
• Alfalfa Weevil in Alfalfa
• Pelletized Lime, Can I Get Away with Lower Rates?
• Check Wheat Growth Stage Before Applying Herbicides
• Delayed Application of Anhydrous Ammonia
• Early Planting and Poorly Drained Fields – Seed treatments Are Needed
• Seedcorn Maggot in Field Crops Monitoring for Corn Insects in Ohio

(11 Apr)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Do kernel size and shape really matter?
• Corn kernel size depends on order of pollination
• Staging corn correctly aids with management decisions
• A bit of corn history -- ear nubbers
• In no-till start with a well-adjusted planter
• Tips for conducting a preseason planter check
• Maximizing western Nebraska dryland corn yields with no-till skip-row planting
• KSU research supports benefits of skip-row planting
• UNL releases free fertilizer selection software
• Computer tool helps with crop production under limited irrigation
• Panhandle winter wheat shows signs of a tough winter

(11 Apr)

Kentucky Pest News

Univ. of Kentucky.

• Atrazine - Supplemental labeling for water quality protection
• Wheat: Armyworm flight has begun

(11 Apr)

Surplus Of Soybeans Declining, Corn Surplus Increasing

Darrell Good, Univ. of Illinois

(8 Apr)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Winter Temperatures, Corn Flea Beetle Survival, and Potential for Stewart’s Wilt
• Pheromone Trap Cooperators Have Detected Black Cutworm Arrival
• SWCB Spring Survey Update
• Black Cutworm Adult Pheromone Trap Report
• Spring Weed Control in Winter Wheat
• Yellowing of Wheat
• Spring Wheat Injury and Shallow Planting

(7 Apr)

Planter Clean-out Recommendations for Enhancing Corn Grain Purity

Steve Butzen, Pioneer Hi-Bred Int'l

NOTE: Registration (free) on Pioneer's Growing Point Web site is required before this article can be accessed.

(7 Apr)

Diagnosing Chilling and Flooding Injury to Corn Prior to Emergence

Imad Saab and Steve Butzen, Pioneer Hi-Bred Int'l

NOTE: Registration (free) on Pioneer's Growing Point Web site is required before this article can be accessed.

(7 Apr)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Have you tested your soil? It’s not too late.
• Two beneficial weevils active on musk thistles
• Alfalfa weevil problems reported for Southwest Missouri
• Pesticide use limitation areas
• High potential for flea beetle problems in field corn
• Update on soybean rust
• First capture of black cutworm moths
• Fungicides labeled for use in managing Asian soybean rust
• Be watching for wheat diseases

(7 Apr)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Soybean rust: An aphid’s worst nightmare?
• Management considerations for Asian soybean rust
• Host plants of Asian soybean rust found in Michigan
• Looking for effective nitrogen use: Consider PSNT
• How much fertilizer to use
• Potash management strategies
• New herbicide labels and label changes in sugar beets
• Herbicide-resistant horseweed in Michigan

(7 Apr)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Proceedings of the 1999-2005 Crop Protection Technology Conference Available Online
• Protecting Corn from Soil Insect Injury
• Cruiser Registered for Use on Soybeans
• Spring Moth Flights Have Begun
• Getting Ready for Alfalfa Weevils
• Proliferation of Premix Products
• What Weed Is That?
• Does Corn Seed Size Really Matter?

(7 Apr)

Spring Weed Control in Winter Wheat

Bill Johnson, Glenn Nice; Purdue Univ.

(6 Apr)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Sentinel plots for controlling soybean rust
• Scout fields for weevil larvae.
• ISU welcomes new corn extension specialist in July
• Transitioning to Organic Workshop to be held April 16 in Kalona

(6 Apr)

Soybean Rust Economic Considerations

Gary Schnitkey, Univ. of Illinois

(6 Apr)

U of I Agronomy Handbook Available on CD-ROM

Univ. of Illinois ACES News

(5 Apr)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Fungicide Timing is Key to Manage Soybean Rust
• Synchrony XP Receives Federal and Ohio Registration
• Spring Has Sprung - Current Weed Growth Status!
• Reminders on Spring Dandelion Control
• Planting Rates for Optimal Yield in Corn
• Achieving Targeted Plant Populations in Corn
• Soybean Aphids in OhioNow
• Spring Soil Testing for the 2005
• Growing Season Tips to Improve Sprayer Performance

(5 Apr)

Soybean Rust? We can handle it!

Char Hollingsworth, Univ. of Minnesota

(5 Apr)

Questionable Claims

Bob Hartzler, Iowa State Univ.

NOTE: Revisions have been made to this article since it was originally published 4/1.

(4 Apr)

What Was Learned From USDA Reports?

Darrell Good, Univ. of Illinois

(3 Apr)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• First Black Cutworm of the Season Caught
• Iowa State University Entomologists Publish Survey Results on "Practices and Perceptions" of Farmers Regarding Transgenic Corn
• Weed Control in Winter Wheat
• Gearing Up for Wheat and Corn in 2005

(3 Apr)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Give proper credit for legumes and cut nitrogen inputs for corn
• Techniques for early season weed control in corn
• Table of early season herbicides for corn
• Controlling summer annual broadleaves in wheat
• New herbicides may have familiar ingredients
• Avoid planting time treatments for cutworms -- 'insurance' often unnecessary
• Nebraska survey indicates few changed planting plans due to soybean rust
• Consider starter fertilizer for no-till corn
• Assessing alfalfa stands for winter injury
• Seeding no-till alfalfa