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July 2004

(29 July)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Western Corn Rootworm Beetles Have "Hopped" the I-70 "Fence" into Soybeans
• Mexican Bean Beetle Appearing in Southern County Soybean Fields
• Soybean Cyst Nematode Update
• Root Knot Nematodes in Soybean - How Widespread is the Problem?
• Winter Annual Weeds Emerging in Mid- Summer?
• Soybean Sudden Death Syndrome
• Mark Your Calendars for the Purdue Agronomy Field Day

(29 July)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Time to clean bins to store clean grain: "keep" lungs clean
• Illinois bundleflower
• New Plant Diagnostic Clinic Coordinator
• Corn growers beware of aflatoxin in 2004

(29 July)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Training Session to Focus on Late-Season Agronomic Topics
• Despite the Relative Lack of Economic Infestations, Soybean Aphids Still Deserve Attention
• Northern Corn Leaf Blight: Why Are We Seeing This Disease?
• SCN May Be Causing Damage Greater than Expected in Southern Illinois
• Questions Raised Regarding Downy Mildew on Soybeans in Illinois
• It May Be a Year for White Mold in Parts of Illinois
• Guessing at Yields

(29 July)

Corn Comments: Uneven Plant Height

Dale Hicks, Univ. of Minnesota

(27 July)

Mark Your Calendars for the Purdue Agronomy Field Day

Bob Nielsen, Purdue Univ.

(27 July)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Soybean Production Issues Highlighted at Research Station Field Day
• Two-spotted Spider Mites and Soybean Aphids
• Phytophthora sojae Is Impacting Stands
• Soil pH and Nutrient Availability

(23 July)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Soybean Insects and Defoliation
• CornBlotch Leafminer, Again
• Resistant Weeds
• Estimating Corn Grain Yield Prior to Harvest

(22 July)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Late Summer Seeding of Forage Crops
• Identifying Nutrient Deficiencies
• Nitrogen Deficiency, What is Going On?
• Did Recent Dry Weather Impact Pollination?
• Scout Now For Corn Leaf Diseases
• Regional Crop and Livestock Conference Brings Technology To A New Level Western
• Ohio Agronomy Field Day

(22 July)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Are soybean aphids regulated by weather, natural enemies or both?
• Manure on wheat stubble
• News update from Pesticide Education

(22 July)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Speed sampling for soybean aphids
• Soybean Cercospora diseases show up

(22 July)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Reports of Rootworm Larval Injury in First-Year Corn in Western and Northwestern Illinois Continue
• Insects Infesting Soybean? Or Not?
• Sudden Death Syndrome of Soybean Appearing in Illinois
• Don't Just Wonder--TEST!

(19 July)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• In corn and soybeans: Bacterial diseases widespread
• Use corn rootworm scouting numbers to plan for 2005
• Use SCN numbers to guide variety choice, rotation
• Field days explore three top soybean pests
• Soybean aphid numbers building
• Integrate red cedar control measures
• Nebraska wheat crop down 31% from 2003
• Water opened to irrigation canals in the North Platte Valley
• Maximizing conditioner effectiveness for hay dry-down
• Planting late-season forages
• Grazing sudangrass, pearl millet, and sorghum hybrids

(19 July)

Soybean Prices Collapse: What Next?

Darrell Good, Univ. of Illinois

(18 July)

Estimating Corn Grain Yield Prior to Harvest

Bob Nielsen, Purdue Univ.

(17 July)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Goldenrods becoming evident in pastures
• Corn foliage diseases
• New herbicides registered for use in pastures

(17 July)

USDA to Raise Soybean Rust Awareness During Seven-City Tour

USDA-APHIS News Release

Meeting Dates & Locations

(16 July)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Monitoring for Western Corn Rootworm Beetles in Soybean
• Soybean Aphid Update
• Soybean Aphid Look Alike
• Tassel-Ears in Corn

(16 July)

Corn Comments

Dale Hicks, Univ. of Minnesota

(16 July)

Kentucky Pest News

Univ. of Kentucky.

• Dry soils could spell trouble in corn fields with root rots
• Could soybean rust be imported into the United States with seed, bulk grain, or meal?

(16 July)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Western bean cutworms: status and scouting
• Soybean aphids still rare in Iowa
• New soybean publication available

(16 July)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Time to Begin Scouting for Corn Rootworm Adults in Soybean and Corn
• Gray Leaf Spot of Corn Causing Concern in Illinois
• Pesticide Residue Testing Labs
• A Few Bumps in a Smooth Road

(13 July)

Tassel-Ears in Corn

Bob Nielsen, Purdue Univ.

(12 July)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Wheat Grain Quality and Vomitoxin Issues
• Natural Gas Prices and Nitrogen Fertilizer
• Bean Leaf Beetles and other Soybean Defoliators
• Soybean Aphid Update
• Precautions on Late Season Application of Soybean Herbicides
• Leaf Cupping and Wrinkling in Soybeans
• Timing of Herbicide Applications in Double Crop Soybeans
• Controlling Weeds in Wheat Stubble and Preventative Planted Acres
• Kernel Development Starting in Early Corn

(11 July)

Early Detection of Ovule Fertilization Progress in Corn

Bob Nielsen, Purdue Univ.

(8 July)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Soybean Aphid, Abbreviated Management Guidelines
• Soybean Foliar Insecticides, Perhaps a Big Mistake
• Weeds to Lookout For
• The Infamous Giant Hogweed
• Rust on Corn
• Yield Loss Potential During Grain Fill
• Grain Fill Stages in Corn

(8 July)

Lessons Learned Thus Far in 2004

George Rehm, Univ. of Minnesota

(8 July)

Michigan Field Crop Team Advisory Alert

Michigan State Univ.

• Scouting cyst nematodes
• Twenty-fifth Ag Expo just around the corner

(8 July)

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Soybean diseases to scout in July
• Soybean aphids found in southwestern Iowa
• Soybean aphid reproduction at summer temperatures
• Don't confuse thrips with aphids
• Soybean cupping prevalent in Iowa
• Mesotrione carryover to soybeans
• Predicting first-generation bean leaf beetles

(8 July)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• The "Buzz" About Corn Rootworm Damage Continues
• White Corn Leaves? Consider the Corn Blotch Leafminer
• Corn Leaf Aphids--An Occasional Pest of Corn

(6 July)

Corn And Soybean Production And Price Prospects

Darrell Good, Univ. of Illinois.

(6 July )

Iowa Integrated Crop Management Newsletter

Iowa State Univ.

• Holcus leaf spot being found on corn
• Soldier beetles are not crop pests
• Soybean aphids mostly quiet in late June
• New soybean aphid publication available
• Soybean aphid insecticide and herbicide tank mixing

(6 July)

Ohio C.O.R.N. Newsletter

The Ohio State Univ.

• Wheat Harvest Update: Grain Quality And Scab Levels
• Wheat Variety Resistance To Fusarium Head Scab
• Pollination Well Ahead of Normal in Many Corn Fields
• Pop-up Fertilizers
• Gearing Up for Wheat This Fall

(5 July)

Yield Loss Potential During Grain Fill

Bob Nielsen, Purdue Univ.

(5 July)

Grain Fill Stages in Corn

Bob Nielsen, Purdue Univ.

(2 July)

Nebraska Crop Watch Newsletter

Univ. of Nebraska.

• Preharvest wheat sprouting affecting elevator prices
• Ammoniate wheat straw for extra feed
• Harvest aid treatments in wheat
• Start scouting for western bean cutworm eggs
• Soybean aphids found at two sites
• Corn blotch leafminers in central Nebraska
• Rootworm beetles emerging in central Nebraska
• Potential profit from foliar fertilizers in soybean examined
• Purple loosestrife -- controlling the newest noxious weed
• Drought continues; forecasts uncertain
• How increased fuel prices affect irrigation costs
• Reducing energy use for irrigation
• CRP acres released for grazing
• Expect alfalfa prices to spread; harvest for quality
• Maximizing recent rain
• Controlling bluegrass in irrigated alfalfa
• Forage options following wheat harvest

(2 July)

Purdue Pest & Crop Newsletter

Purdue Univ.

• Silk and Pollen Snackers
• First Spider Mite Report Received
• Soybean Aphid Update FREE: Soybean Sweep Net Sampling!
• Weed Control Timing Issues in Roundup Ready Soybeans
• Soybean Sudden Death Syndrome

(2 July)

Missouri Integrated Pest & Crop Management Newsletter

Univ. of Missouri

• Summer winterization for field sprayers
• Field crop disease observations for June 28, 2004
• Insect update

(2 July)

Impact of Potash Use for Corn in Southeast Minnesota

Tim Wagar & George Rehm, Univ. of Minnesota

(2 July)

Kentucky Pest News

Univ. of Kentucky.

• Japanese Beetles Attacking Corn
• Soybean Fungicide Update
• Soybean Rust Update

(2 July)

Soybean cupping prevalent in Iowa

Micheal D. K. Owen, Iowa State Univ.

(2 July)

Mesotrione carryover in soybeans

Micheal D. K. Owen , Iowa State Univ.

(2 July)

the Bulletin:
Pest mgmt & crop developmt information for Illinois

Univ. of Illinois

• Training Session to Focus on Managing Summer Insects
• Corn Rootworms Are Causing Serious Damage in Some Areas
• More on Japanese Beetles
• European Corn Borer in Northern Illinois
• Diligent Scouting for Soybean Aphids Keeps Us Apprised of Developments Throughout the Midwest
• Wheat Scab and Testing for Mycotoxins
• Disease Update for Field Crops in Illinois
• Soybean Leaf Cupping
• Flowering Fields