June 2006

(30 June)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Western Corn Rootworm Beetles Emerging
• Corn Borer Populations Are Generally Low, Treatment Window Closing

(30 June)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Soybean aphids found in northeast Nebraska
• Soybean aphid management
• Identifying beneficial predators of soybean aphid
• Western bean cutworm moths trapped
• Rootworm beetles emerging in south central Nebraska
• Timely weed control essential after winter wheat harvest
• Using available irrigation water strategically
• Improving surface irrigation efficiency; surge valves available
• How much will diesel price increases affect irrigation costs
• Maximizing drought-impacted alfalfa yield
• Chemical control of eastern redcedar
• Following wheat with forage

(30 June)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Soybean Diseases
• CAFO Regulations Revisited by USEPA
• Corn Foliage Diseases
• Potato Leafhopper in Alfalfa
• Japanese Beetle in Corn

(30 June)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Making the best out of a bad situation: Using that ugly looking crop to assess field spatial variability
• Soybean rust sentinel plot scouting report
• Enhancing beneficial insects with native plants – August field day

(30 June)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Still Too Early to Assess Western Corn Rootworm Impact
• Numbers of Japanese Beetles Are Enormous in Some Areas
• Keep Watching Closely for Soybean Aphids
• White Mold of Soybean
• Brown-Speckled Yellow Soybeans
• A Growing Interest in (and Prevalence of) Copperleaf

(30 June)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Late-summer seeding of forage crops
• Western bean cutworm flight starts--early!
• Fungicides: Plant health fungicide applications
• Seed quality and conditioning workshops offered at the Iowa State University Seed Science Center

(27 June)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Flooding Injury to Soybeans
• Late Replanting Decisions in Soybeans
• Soybean Rust and Plant Health
• Sampling Wheat for Deoxynivalenol (DON)
• How Late Can Roundup Ready Soybeans be Treated With Glyphosate?
• European Corn Borer Update
• Sampling for Corn Rootworm Larvae
• Potato Leafhopper and Resistant Alfalfa
• Prospects for "Muddied Corn"

(26 June)

Anticipating The June Report Of Grain Stocks

Darrel Good, Univ. of Illinois

(23 June)

Purdue Pest & Crop Newsletter

Purdue Univ.

• You Can Dig It, Rootworms and Damage
• Soybean Aphid Update
• Prepare Grain Bins for Wheat Harvest
• Glyphosate Rate for the Second Postemergence Application
• It’s Postemergence Season - Do You Know How Big Your Weeds Are?
• Strip Tillage Corn Impressive Thus Far in 2006
• Weeds the Center of Attention at Annual Field Event
• OSU Weed Science Field Day

(23 June)

Musings On Iron Deficiency Chlorosis

George Rehm, Univ. of Minnesota

(23 June)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Western Corn Rootworm Adult Emergence Has Begun
• Get Ready for . . . Japanese Beetles
• Low Numbers of Soybean Aphids
• What We Can Learn from Plant Stands

(22 June)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Is it spider mite? NO!
• Is it ice or insects?
• New pocket-sized bulletin on beneficial insects
• Tips to avoid weed control antagonism when applying Mn fertilizer with glyphosate
• Fomesafen carryover to corn
• Avoid herbicide spray tank contamination

(19 June)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Is Soybean Aphid in Ohio?
• First Instar European Corn Borer (ECB) Can Be Found
• Sweep for Potato Leafhopper in Alfalfa
• Late Increase of Stagonospora Blotch and Wheat Leaf Rust
• As Predicted, Moderate to Low Levels of Wheat Head Scab in Ohio
• It’s Postemergence Season – Do You Know How Big Your Weeds Are?
• OSU Weed Science Field Day
• Uneven Plant Height in Corn: Effects on Yield
• Do I Need More Nitrogen this Year Because of Denitrification/Leaching?

(19 June)

Focus On Acreage

Darrel Good, Univ. of Illinois

(19 June)

Kentucky Pest News

Univ. of Kentucky.

• Soybean aphid or thrips?
• "Plant Health" fungicide applications to soybean

(15 June)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Sweep Net Time for Potato Leafhopper
• Slug Damage Continues, Controls Limited
• Japanese Beetles Emerging
• Wheat Head Scab
• Corn Grain Yield Trends: Eyes of the Beholder

(15 June)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Be alert for armyworms
• Soybean rust update
• 2006 soil N credit – Test results

(15 June)

Make sure you know what you are spraying!

Micheal D.K. Owen, Iowa State Univ.

(15 June)

Large common lambsquarters is a problem for glyphosate

Micheal D.K. Owen, Iowa State Univ.

(15 June)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Corn Rootworm Injury Becoming Noticeable
• Soybean Aphids in Soybean Fields in Illinois
• Corn Borers Deserve Attention in Some Areas of Illinois
• Some Dry-Environment Insect Problems--Grape Colaspis and False Chinch Bugs
• More Insect Events of Note
• More Soybean Seedling Blight Concerns
• Amended Section 18 for Headline SBR Fungicide
• WeedSOFT Yield Loss and Tank Mix Calculators Now Available on the Web
• It’s All About Leaves and Roots

(15 June)

Corn Grain Yield Trends: Eyes of the Beholder

Bob Nielsen, Purdue Univ.

(15 June)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Corn blotch leafminers in central Nebraska
• Corn rootworm egg hatch underway
• Potato leafhoppers damaging alfalfa
• Prepare bins, equipment for wheat harvest
• Low rainfall means poor pasture growth, limited grazing
• Using soil tests to determine manure availability
• Timing weed control in corn to get the most effect for your dollar
• Timing soybean weed management for greatest control
• Controlling problem weeds in RR soybean with glyphosate tank mixes
• Research results: Using only glyphosate to control problem weeds in
• RR soybean Controlling ragweed in pastures

(15 June)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• European Corn Borer (ECB) in Corn
• Control of Common Pokeweed in Corn and Soybeans
• Continued Soybean Stand Loss in Some Areas
• Soybean Rust

(12 June)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Soybean aphid look-alikes; don't be confused by alternatives
• Corn rootworm larvae are actively feeding on your corn
• Fungicides: Fungicide resistance and the FRAC code
• What's the yield effect of uneven corn heights?
• Grape colaspis damage occurring in central Iowa

(12 June)

Crop Price Roller Coaster To Continue

Darrel Good, Univ. of Illinois

(9 June)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Winter wheat survey in western Nebraska and southeastern Wyoming
• Wheat rust update: stripe rust found in Nebraska
• What does soybean rust in Mexico mean to Nebraska soybean producers?
• Controlling weeds in proso millet
• Comparing glyphosate-based herbicides in Nebraska
• Controlling buckbrush in pasture
• Controlling hoary vervain in pasture
• Controlling volunteer corn in soybean
• Alfalfa weevil adults hinder regrowth
• Start scouting for potato leafhoppers in alfalfa
• Early drought forces hard questions for cattle producers
• Watch for nitrates in hay from small grains

(9 June)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Conditions are Right for European Corn Borer in Tall, Non-GMO Corn
• Pest and Crop Development are Delayed
• Replanting Roundup Ready Corn – How to Kill the First Planting
• Herbicide Resistance Screening Available at Michigan State University Diagnostic Services
• Free Yield Loss and Tank Mix Calculators Available Online – Courtesy of the WeedSOFT Development Team
• Recovery From Hail Damage to Young Corn

(8 June)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Bean Leaf Beetle Problems Build in Slow-growing Soybean
• WeedSOFT Yield Loss and Tank Mix CalculatorsNow Available on the Web
• Corn Color Predicts Nitrogen Needs

(8 June)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Soybean aphid suction trap network
• Soybean aphid found on beans in Minnesota
• Soybean rust update
• Wheat streak mosaic virus
• Return of the Dust Bowl?

(8 June)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Late spring fescue management considerations
• First soybean aphids found in May
• Fungicides: Others
• Crop Diagnostic Clinics: New choices and format

(8 June)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Upcoming GPS Conference Takes Producers to Infinity and Beyond
• An Inventory of Field Crop Insect Issues in the Midwest
• Soybean Aphids Already Found in Soybean Fields in Northern States
• Western Corn Rootworm Feeding Behavior on a Transgenic Hybrid Described in Detail
• Insect Events of Note: More to Follow in the Near Future
• Adjusted Preharvest Interval for Warrior Insecticide

(7 June)

Recovery From Hail Damage to Young Corn

Bob Nielsen, Purdue Univ.

(6 Jun)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Replanting Roundup Ready Corn – How to Kill the First Planting
• A Diversity of Insects Being Found
• What Soybean Maturity Should I Plant in June?
• Corn Growth Stage and Postemergence Herbicides
• "Patching In" Poor Corn Stands

(6 Jun)

Corn And Soybean Prices: Strong Futures, Weak Basis

Darrel Good, Univ. of Illinois

(4 Jun)

Kentucky Pest News

Univ. of Kentucky.

• Stink bug damage apparent in some corn fields
• Some armyworms are around in forages
• Spring black stem activity in alfalfa
• Alfalfa weevil on regrowth
• Soybean rust surveillance and status report

(4 Jun)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Horsetail, scouring rush, skeletonweed, etc., etc., etc.
• Stalk borers--on the edge, in your corn
• Mid-April soil temperature swings result in poor corn stands and replanting
• Soybean rust update and outlook
• Fungicides: Triazoles
• To be determined: Ear row numbers and kernels per row in corn
• Early-season soybean insects, plus others

(1 Jun)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Still Moving: Armyworm Larvae Going Strong
• Corn Rootworm Hatch is Underway
• Soybean Aphid Without a Home?
• Harvest Aid Herbicides For Winter Wheat
• Fusarium Head Blight of Wheat

(1 Jun)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Corn Replanting Considerations
• Using Bt Corn Borer Protection in Late Planting
• Armyworm in Corn
• Leaf Rust on Wheat
• Potato Leafhopper on Alfalfa
• Pythium on Corn and Soybeans
• Raising Corn or Weeds?
• Soybean Aphid Update
• Warrior on Soybean: Change in Preharvest Interval
• Soybean Rust
• Modified Relay Intercropping

(1 Jun)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Drought continues to plague Nebraska
• Leaving wheat residue provides longer term cropping benefits
• 2006 Nebraska winter wheat field days
• Managing pesticide applications to avoid drift
• Dissatisfied with your pre-emergence herbicides?
• Recommendations for rinsing pesticide containers
• Avoid planting summer annuals in pastures too early

(1 Jun)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Soybean Rust Update
• Missouri Cotton Growers - Beware of Root-Knot Nematodes

(1 Jun)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• MSU Crop Diagnostic School - July 21
• Timely postemergence herbicide applications can increase profits
• Wheat scab update
• Wheat leaf rust found in several fields

(1 Jun)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Fungicides: QoI fungicides
• Recognizing bean leaf beetle injury
• Corn seedling health and stand establishment
• Check root development in corn fields
• What's there to lose...with replanted corn?
• First-cutting alfalfa insects
• Warrior PHI reduced to 30 days

(1 Jun)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Corn Rootworm Larval Hatch Confirmed
• Elevated Carbon Dioxide and Ozone in the Atmosphere Influence Egg Laying by Variant Western Corn Rootworms
• Stunted Corn Plants? Check for Grape Colaspis Larvae
• One for the Record: Springtails and Crickets Ravage Soybean Field?
• How Much Product to Add in Handheld Sprayers?
• Crops Moving into June