June 2005

(30 June)

Purdue Pest & Crop Newsletter

Purdue Univ.

• European Corn Borer Damage Showing Up
• Leafhopper Populations Booming
• Japanese and Rootworm Beetles Emerging
• Red Mites in Soybean Fields
• Soybean Aphid Update
• Jumping on to the Drought Bandwagon

(30 June)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Insect update: Aphids and borers
• Asian soybean rust sentinel plot update
• Soil fertility tidbits
• Register for the MSU Crop Management and Field Diagnostic School
• Excessively dry conditions persist in the west

(30 June)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Now's the time to scout for soybean cyst nematode
• Aphid numbers up, but less than during 2003
• Nematodes damage corn
• Survey: Are insecticide/herbicide tank mixes commonly used?

(30 June)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Rootworms South of I-70, and Assessing Rootworm Larval Injury
• Rootworm Adults and Silk Clipping
• Japanese Beetle Invasion
• Twospotted Spider Mite Infestations in Soybeans Intensify as Drought Conditions Persist
• Update--Soybean Aphids
• Still Waiting for Rain

(27 June)

Jumping On To The Drought Bandwagon

Bob Nielsen, Purdue Univ.

(27 June)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Soybean Aphid Threshold and Treatment Recommendations
• Two-spotted Spider Mites Diagnosis and Control
• What If The Field Has Both Soybean Aphids And Twospotted Spider Mites?
• Don’t Worry About Soybean Rust For The Short-Term
• Lambsquarters, Lambsquarters, And More Lambsquarters
• \Management Of Postemergence Herbicides Under Dry Conditions
• Drought and Heat Stress Effects on Corn Yield Potential
• How Long Can Corn “Hang On”?

(24 June)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Diseases prominent in western NE wheat, likely to reduce yields
• Tips for sampling for corn nematodes
• University launches on-line Nebraska Crop Surveillance Network for soybean
• Wheat yields likely to vary due to drought, disease and late freeze
• Is your pumping plant doing all it can?
• Controlling late season weeds in corn
• Mix methods to tackle buckbrush in range
• Integrated management of Eastern redcedar in grasslands
• Emergency forages offer replant recovery option
• Hay and silage options to plant after wheat

(24 June)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Bugs and blooms
• Western bean cutworm: Pheromone trapping program
• Foliar fertilization of soybean: Is it useful to supplement primary fertilization?
• Soybean aphid counts highest in northeastern Iowa
• Potassium deficiency symptoms in corn and soybean: What can we do about them?
• Update on soybean rust and sentinel plots
• Thistle caterpillars -- mostly minor pests of soybeans

(24 June)

Cease and resist: Soybean lines appear to slow rust

Purdue/Ohio State AgAnswers

(23 June)

Diagnostic workshops check pulse of ailing crops

Purdue/Ohio State AgAnswers

(23 June)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Spider Mites Responding to Dry Conditions
• Soybean Aphid Update
• Rootworm Larval Damage Being Reported, Could Get Worse
• Corn Earworm Activity
• Indiana’s Top Ten Most Problematic Weeds
• What's Wrong with my Soybean Leaves?

(23 June)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Soybean aphid scouting and control
• European corn borer update
• Storms increase chances of disease outbreak
• Time travel and soil quality
• Enhancing beneficial insects with native plants

(23 June)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Corn Rootworm Larvae Abundant
• Don't Wait to Begin Examining Soybean Fields for Spider Mites
• The Soybean Aphid Watch Continues
• We Probably Are in for Tough Times with Corn Rootworms
• Corn Leaf Aphids
• European Corn Borer Larvae Found in Whorls
• Grasshopper Nymphs Moving into Field Edges
• Burrower Bugs Make an Appearance in Several Fields
• Rust Is Common on Many Crops, but Not Yet on Soybeans in Illinois
• New Herbicide Injury on Soybean FactSheet
• Hanging On

(23 June)

Kentucky Pest News

Univ. of Kentucky.

• Soybean Rust Callin-In Line Established

(21 June)

Musk Thistle and Its Control

Glenn Nice, Bill Johnson. Purdue Univ.

(21 June)

Pokeweed Control

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

(21 June)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Soybean Aphid and Twospotted Spider Mite Will Need to be Watched
• Ohio's Corn Replant Problem Revisited
• Wheat Head Scab Levels Very Low In Ohio
• Mealybugs Found on Soybean-Do Not Confuse with Aphids
• Leave The Fungicide In The Jug
• Will Dry Weather Conditions Impact Corn Ear Formation?

(20 June)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Corn nematodes tied to disease, crop losses
• Asian soybean rust threatens common beans
• Soybean rust treatments may damage nearby apple trees
• Potato leafhoppers have arrived; scout alfalfa
• Using available water efficiently with furrow irrigation
• Research examines efficacy of glyphosate tank mixes
• Rank weed species competitiveness in soybean

(20 June)

How Big Are The Corn And Soybean Crops Now?

Darrell Good, Univ. of Illinois

(16 June)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Insect update: Soybean aphids and alfalfa weevils
• Soybean rust fact sheets provide information for growers
• Four fundamental stages of corn grain yield determination
• PSNT summary – N credits

(16 June)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Soybean Scouting School
• Weed Science Field Day
• First Reports of Significant Rootworm Larval Feeding This Year
• Keeping Eyes on Soybean Aphids Throughout the Midwest
• Twospotted Spider Mites: Quick Update
• Caterpillars in Soybeans Insect
• Trapping Results from Ron Hines
• Heading into the Main Event

(16 June)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Iowa State forms the aphid team and shares research results
• Alfalfa weevil reported on alfalfa regrowth
• 2005 Weed Science Field Day

(15 June)

Twisted corn and other "opportunities"

Micheal Owen, Iowa State Univ.

(15 June)

Status of Soybean Aphid: June 10, 2005

Ken Ostlie, Univ. of Minnesota

(15 June)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Soybean Rust and Tropical Storm Arlene
• Aphids on Early Soybean
• Risk to Delayed Weed Control in Small Soybeans
• Tips for When to Begin Wheat Harvest
• Mealybugs Found on Soybean-Do Not Confuse with Aphids
• Twospotted Spider Mites on Soybeans
• Impact Of Hot Weather On Wheat Yields
• Wheat Disease Levels Remain Low
• Prepare Grain Storage Facilities for Wheat
• Soybean Population Determinations

(14 June)

Nitrogen Status of Corn Fields

George Rehm, Univ. of Minnesota

(14 June)

Soybean Market Building In A Smaller Crop

Darrell Good, Univ. of Illinois

(10 June)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Nematode Updates
• Diagnosing a “Short Corn, Tall Corn” Field
• European Corn Borer Moths Flying
• Japanese Beetle Expected Soon
• Yellow Tops and Twisted Whorls
• Pokeweed Control

(10 June)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• When to take action for soybean rust
• New publication for Asian soybean rust
• Update on wheat scab and using prediction models
• Tips for maximizing glyphosate activity in Roundup Ready soybean
• Alfalfa fertilization after first cutting

(10 June)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Soybean aphids detected in Iowa
• Economic impact of soybean aphid
• Pesticide Education Drift issues, late application considerations, and soybean fungicides

(10 June)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Follow-Up on Reports of Soybean Aphids
• More About Twospotted Spider Mites
• Identify Insects in Soybeans Accurately
• Corn Rootworm Reports Trickling In
• Arrival of Japanese Beetles
• Subterranean Insects Still Causing Headaches in Cornfields
• Broadleaf Signalgrass Control in Corn
• Field Horsetail Biology and Control

(8 June)

Purdue booklet speaks volumes about soybean rust

Purdue/Ohio State AgAnswers

(8 June)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Wheat Head Scab Risk Remains Generally Low
• Development of Powdery Mildew and Leaf Blotch Slowed by Weather
• A New Kind of Rust That’s Not Soybean Rust- Wheat Stripe Rust
• Soybean Aphid Update
• Soybean Rust Not Moving and Fungicide Clarification
• Conditions Favorable For "Rootless Corn Syndrome"
• South Central Ohio Soybean Rust and Field Crops Pest Management Field Day June 16
• Wheat Production Field Day in Northwest Ohio June 21
• Let’s Get Ready” Scouting and Sprayer Clinic June 21

(8 June)

Kentucky Pest News

Univ. of Kentucky.

• Armyworms in corn
• Soybean rust fungicide update
• Getting ready to store wheat

(8 June)

Crop Concerns Continue

Darrell Good, Univ. of Illinois

(5 June)

Yellow Tops and Twisted Whorls

Bob Nielsen, Purdue Univ.

(3 June)

Canola, Without a Passport

Glenn Nice, Purdue Univ.

(3 June)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Watch 'em grow
• Stalk borer migration set to begin
• Checking corn nitrogen status
• Asian soybean rust: Focus of Certified Crop Adviser training
• Clip tall fescue seedhead in early June

(2 June)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Rootworm Hatch Detected in West Central Indiana
• Soybean Aphid Found in Soybean
• Prepare Grain Bins for Wheat Harvest
• Harvest Aid Herbicides for Winter Wheat
• Postemergence Control of Grass Weeds in Field Corn
• Soybean Rust Update
• Wheat Stripe Rust
• A Tale of Two Plants

(2 June)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Training Session to Focus on Midsummer Insect Issues
• The Soybean Aphid Season Has Begun
• Twospotted Spider Mites in Soybeans Add Another Level of Concern
• Corn Rootworm Larval Hatch Confirmed
• Fall Armyworm Moths . . . Already?
• Arrival of Potato Leafhoppers
• Watch for Soybean Seed and Seedling Diseases
• Dry Weather Concerns with Postemergence Herbicides
• Preharvest Herbicides for Wheat
• Is It Drought Yet?

(2 June)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Soybean aphids are early in Michigan and surrounding states
• Update on soybean rust
• Web site compiles our soybean aphid and rust articles
• Identification and postemergence control of crabgrass in corn
• Purple corn likely from cool weather this spring
• Soil nitrate test for corn guidelines
• Plant tissue analysis
• Wheat diseases and their management
• Folicur Section 18 approved

(2 June)

Kentucky Pest News

Univ. of Kentucky.

• Bt trait can reduce mycotoxin levels
• Timing of postemergence herbicides relative to corn growth stage
• Soybean rust continues to be elusive in deep South
• Watching and waiting for soybean aphid