July 2005

(30 July)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• 2nd generation ECBs in flight
• Watch for spider mites in corn
• Greenbugs present in many sorghum fields
• Scout sunflower for insects
• When pastures dry up, graze or chop dryland corn
• Getting started with hard white wheat
• Long-term effects of heat wave still to be seen
• Roundup Ready alfalfa approved
• Managing dryland pastures

(29 July)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Soybean Aphid Threshold Clarification
• Mexican Bean Beetle Appearing in Southern County Soybean Fields
• Downy Mildew on Soybean
• Frogeye Leaf Spot
• Grain Fill Stages in Corn

(29 July)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Asian soybean rust sentinel plot scouting report for July 20-27
• Breaking insect updates: soybean aphid, armyworm and corn rootworm
• Aphid sucker part 2: Aphid counts
• You might have mites
• Orthene 2ee label for soybean aphid
• Management of annual weeds following wheat harvest

(29 July)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• All Soybean Producers in Northern and Central Illinois Should Be Alert for Soybean Aphids
• Corn Rootworm "Digs" Completed in DeKalb and Monmouth
• Looking at Corn and Soybean as Seed Filling Gets Under Way

(28 July)

Impact of late-season glyphosate treatments on weed seed production

Bob Hartzler, Iowa State Univ.

(27 July)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Rootworms and YieldGard RW hybrids
• SCN could be responsible for yellow soybean fields

(26 July)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Soybean Aphid Update
• Corn Silk Feeding Insects
• Soybean Rust Update July 25
• Phytophthora Root and Stem Rot
• Staging Kernel Development in Corn
• Plant Tissue Analysis and the Weather
• Controlling Weeds in Wheat Stubble

(21 July)

Nitrate Toxicosis

Univ. of Illinois ACES News

(21 July)

Using Drought-Stressed Corn

Univ. of Illinois ACES News

(21 July)

Drought cuts corn yields, Missouri researchers report; blooming soybean plants can recover - with rains

Univ. of Missouri CAFNR News

(21 July)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Soybean Aphid Numbers Continue to Rise
• Chewing Insects and Soybean Yield
• Nematode Update
• Soybean Sudden Death Syndrome
• Yield Loss Potential During Grain Fill
• Behind the Proverbial Eight Ball

(21 July)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• That soybean pest mite not be an aphid: Spider mites infest dry Iowa
• Hot, dry weather mite be a problem: Two-spotted spider mites infesting soybeans
• Soybean rust outlook--July 18, 2005
• Western bean cutworm: Is it time to scout?

(20 July)

Behind the Proverbial Eight Ball

Bob Nielsen, Purdue Univ.

(19 July)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Soybean Aphid Update July 18
• Twospotted Spider Mites
• Western Corn Rootworm Adults in Corn
• Assessing the Impact of Hot, Dry Weather on Pollination in Corn
• Potassium Deficient Corn and Soybeans Due to Dry Soils
• Manganese Deficient Soybeans
• Late Summer Seeding of Forage Crops
• Time to Set Traps for Western Corn Rootworm Activity in Soybeans
• Soybean Rust Update – July 18th
• Northwest Agriculture Research Station Field Crops Day
• Nitrogen Management for Corn Production Field Day

(19 July)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Second Season Sprayer Shuffle
• Spider Mites Problems in Dry Areas of State
• Update on Soybean Diseases
• Condensed Guide for Cleaning and Storing Field Sprayers
• Consider Sampling for Soybean Cyst Nematode

(18 July)

Corn Market Builds In Yield Loss

Darrell Good, Univ. of Illinois

(16 July)

Potassium Deficiency a Problem in Crops

Univ. of Kentucky News & Information

(16 July)

Drought-Stressed Forages

Univ. of Illinois ACES News

(16 July)

First soybean aphids found in Missouri fields;
migration expected to increase third week of July

Univ. of Missouri CAFNR News

(16 July)

That Soybean Pest "Mite" Not Be An Aphid

Iowa State Univ. Extension News

(15 July)

Yield Loss Potential During Grain Fill

Bob Nielsen, Purdue Univ.

Published last year, but good for a refresher.

(15 July)

Grain Fill Stages in Corn

Bob Nielsen, Purdue Univ.

Published last year, but good for a refresher.

(15 July)

Plant pathologist: Rust epidemic unlikely this year

Purdue/Ohio State AgAnswers

(15 July)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Controlling weeds in wheat post-harvest
• Wheat and oat yields up
• How high temperatures, stress affect corn pollination
• Corn enters final yield-determining stages
• Resources on plant reproduction
• National soybean rust update & links to Nebraska sources
• Eastern Nebraska dry with little rain forecast
• Let 2005 corn rootworm numbers guide 2006 management
• Timing irrigation of sunflowers to get the most benefit
• Small irrigation pipe leaks add up to big losses

(14 July)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Sticky Traps for Monitoring Western Corn Rootworm Beetles in Soybean
• Root Damage Ratings Can Now Be Conducted
• Soybean Aphid Update
• Root Rot Problems in Soybeans
• Common Rust of Corn
• Soybean Rust Update
• Exercise Caution When Using Fungicides Near Water

(14 July)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Soybean aphid update
• Aphid sucker is in business
• Predators suppress soybean aphid in some Michigan fields
• Asian soybean rust sentinel plot scouting report for July 7 to July 13
• Fungicide precautions during stress periods

(14 July)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Western Bean Cutworm Adults Found in Northwestern Illinois Counties
• Corn Rootworm Larval Injury Nearing Completion in Urbana
• Soybean Aphid Densities Are Increasing
• Preliminary Results from a Spider Mite Control Experiment
• Crop Recovery After Rain

(13 July)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Elmore now on the job at Iowa State University
• Western bean cutworms -- trap catches and scouting
• Soybean aphids -- next two weeks critical

(12 July)

Purdue field events update farmers on soybean rust

Purdue/Ohio State AgAnswers

(12 July)

Exercise caution when using fungicides near water

Purdue/Ohio State AgAnswers

(12 July)

OSU, Purdue Web sites offer drought information

Purdue/Ohio State AgAnswers

(12 July)

USDA Sees Tighter Corn And Soybean Stocks, More Abundant Wheat

Darrell Good, Univ. of Illinois

(11 July)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Ten Spores is Not Enough
• Understanding Corn Crop Water Needs: Available Soil Moisture
• Tassels Emerging in Many Corn Fields
• Soybean Defoliators
• Potato Leafhopper in Alfalfa
• Wheat Harvest Report: Good Yields, Excellent Quality, and Little Head Scab

(9 July)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Spider Mites, Rain, and Control
• Corn Lodging Being Reported
• Stressed Corn, Pollination, and Rootworm Beetles
• What’s Happening with Soybean Aphid?
• A Fast & Accurate Pregnancy Test for Corn
• Tassel Emergence & Pollen Shed
• Silk Emergence

(9 July)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Rootworm Adults Clipping Silks in Fields with Uneven Silk Emergence
• When to Scout for Western Corn Rootworm Adults in Soybeans in 2005
• Keep Scouting for Soybean Aphids
• Reports of Spider Mite Infestations Are Still Occurring
• Corn Enters Critical Stages

(8 July)

Kentucky Pest News

Univ. of Kentucky.

• Fungicide use in soybean for "plant health" and soybean rust "control"
• Burrower bugs - They can be anywhere

(7 July)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Glyphosate and Fungicides. Can We Do It? Should We?
• Update on Soybean Rust and Other Soybean Diseases
• Grasshopper Nymphs Numerous Throughout Missouri

(7 July)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Management options for soybean aphids
• Can we spray Section 18 fungicides in Iowa?
• Soybean rust outlook - June 30
• Manure Management Clinic offered for livestock and crop professionals
• Not too bad, not too bad

(6 July)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Drought of 2005
• Follow Up to Aphids and Mites
• Lodged Corn
• Rootworm Larval Feeding Evident
• European Corn Borer (ECB) Larval Feeding in Some Fields

(6 July)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Corn blotch leafminers in central Nebraska
• Rootworm beetles merging in south central area
• Scouting for and managing soybean aphids
• Light traps signal needs for scouting western bean cutworm
• Timing, conditions are right for sunflower insects
• Eyespot identified in Nebraska corn fields
• Identifying and managing corn nematodes common to Nebraska
• Fine-tuning furrow irrigation
• Compare costs for irrigation energy sources
• Assessing hail damage and replant options
• Corn growth stages to watch in assessing plant stress
• Assess sunflower replanting options

(6 July)

Crop Acreage Declines, Stocks Smaller Than Expected

Darrell Good, Univ. of Illinois

(5 July)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Glyphosate and Fungicides. Can We Do It?
• Should We? Update on Soybean Rust and Other Soybean Diseases
• Grasshopper Nymphs Numerous Throughout Missouri

(4 July)

A Fast & Accurate Pregnancy Test for Corn

Bob Nielsen, Purdue Univ.

(4 July)

Tassel Emergence & Pollen Shed

Bob Nielsen, Purdue Univ.

(4 July)

Silk Emergence

Bob Nielsen, Purdue Univ.