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RL (Bob) Nielsen
Agronomy Department
Purdue University
rnielsen@purdue.edu
765.494.4802

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Current News

(15 May)
Prevalent Purple Plants Perennially Puzzle Producers
RL (Bob) Nielsen, Purdue Univ.

(15 May)
Penn State Field Crop News
Penn. State Univ.
Wheat Crop Update Corn Crop Developing Nicely Scout for Slug and Black Cutworm Damage Keep Resistance to Bt Hybrids by Western Corn Rootworm in Mind This Season Roughstalk Bluegrass Running Rampant This Year Multiflora Rose Control in Pastures and Herbicide Label Updates

(15 May)
Soybean Emergence and Germination Common Issues
Shawn Conley, Univ of Wisconsin

(15 May)
Ohio C.O.R.N. Newsletter
The Ohio State Univ.
Slugs Causing Concern Earlier Than Normal Evaluate Alfalfa Stands Scab is at Low Risk for the Week of May 14 – What to do with the Fungicide Other Field Crop Insect Concerns Misc. Emergence Problems in Corn

(14 May)
Corn Market Direction Unfolding, Magnitude Still Uncertain
Darrel Good, Univ. of Illinois

(11 May)
Corkscrewed Mesocotyls & Failed Corn Emergence
RL (Bob) Nielsen, Purdue Univ.

(11 May)
Purdue Pest & Crop Newsletter
Purdue Univ.
Rootworm Hatch Underway...It's Early! What An Incredible Black Cutworm Catching Season Nematode Updates - Corn Nematodes Timing Of Post-emergence Corn Herbicide Applications Effects Of Flooding Or Ponding On Young Corn Sulfur Deficiency In Corn

(11 May)
Kansas Agronomy E-update
Kansas State Univ.
Causes of wheat stress in western and central Kansas Evaluating corn early-season growth Sorghum planting management

(11 May)
Iowa Integrated Crop Management Newsletter
Iowa State Univ.
Emerged Corn, Herbicides and Nitrogen Start Scouting for Stalk Borer Imbibitional Chilling and Variable Emergence

(11 May)
the Bulletin: Pest mgmt & crop developmt information for Illinois
Univ. of Illinois
Entomological Musings This Spring Corn Growth Stages and Postemergence Herbicides: Size Is Important Update on Multiple Herbicide Resistance in Illinois Waterhemp Populations Does Early-Stage Corn Need a Fungicide Application? Corn Off to a Good Start

(11 May)
Growers should focus on soybean seeding rate and depth
Purdue/Ohio State AgAnswers

(9 May)
Sulfur deficiency in corn
Jim Camberato, Stephen Maloney, Shaun Casteel; Purdue Univ.

(8 May)
Effects of Flooding or Ponding on Young Corn
RL (Bob) Nielsen, Purdue Univ.
Cafe proprietor's note: Previously published article; still good information.

(8 May)
Penn State Field Crop News
Penn. State Univ.
Thin Alfalfa Plantings: Deciding When to Give Up Maturity and Diseases on Winter Grains Preemergence Soil Residual Herbicides for Soybean Two Caterpillars to Consider: Black Cutworm and Armyworm Residual Corn Herbicides in Post Applications Slug Populations are Ramping Up, Alfalfa Weevil Ramping Down Lots of Mustard Family Weeds Bringing Color to the Landscape

(8 May)
Ohio C.O.R.N. Newsletter
The Ohio State Univ.
Powdery Mildew and Septoria leaf blotch: This Year the Story is Different Ponding Effects on Corn and Soybeans Soybean Seedling Diseases – What to Look for in 2012 POST Corn Treatments with Residual Activity Now is the Time to Calibrate Your Sprayer Protecting Honey Bees From Pesticides

(8 May)
Iowa Integrated Crop Management Newsletter
Iowa State Univ.
Emerged Corn, Herbicides and Nitrogen Start Scouting for Stalk Borer

(8 May)
Growers have options for freeze-damaged wheat
Purdue/Ohio State AgAnswers

(8 May)
Black cutworm flocks to Indiana; scouting proves critical
Purdue/Ohio State AgAnswers

(7 May)
Corn Prices in Three Parts
Darrel Good, Univ. of Illinois

(4 May)
Purdue Pest & Crop Newsletter
Purdue Univ.
Critical Time For Black Cutworm Scouting Asiatic Garden Beetle Grub Is Back Be On The Lookout For A New Wheat Disease Early-Planted Corn Developing Slowly Winter Wheat As A Forage More Frozen Wheat: To Keep It or Not?

(4 May)
Nebraska Crop Watch Newsletter
Univ. of Nebraska.
Risk of Fusarium Head Blight in Wheat Nebraska Corn at Elevated Risk for Stewart's Wilt and Flea Beetle Damage Scout Emerged Corn for Early Season Insects Kill Cereal Rye Early to Avoid Problems from Its Alleopathic Effect Expect Potato/Tomato Psyllids Earlier Than Normal Delay Planting Summer Annuals Until Warmer Temperatures are the Norm Corn Planting Midway; Soybean Planting Started WIth Prices Like This, Who Needs to Know the Cost of Production?

(4 May)
the Bulletin: Pest mgmt & crop developmt information for Illinois
Univ. of Illinois
University of Illinois Weed Science Field Research Tours Scouting for Black Cutworm Larvae Should Be Underway Removing Weeds from Corn: The Smaller, the Better Sizing Up the Wheat Crop Boron Deficiency in Alfalfa

(1 May)
Penn State Field Crop News
Penn. State Univ.
Be Careful Planting Soybeans in Cold Soil Drill and Planter Calibration for Soybeans Insect Pests to Keep in Mind: Black Cutworm, Alfalfa Weevil, and Cereal Leaf Beetle Weed Control Options When Replanting New Alfalfa Seedings Prepare for Earlier Hay Harvest This Year Corn Emergence, Development and Soil Temperatures Continue to Monitor Barley and Wheat for Freeze Damage Using the Head Scab Prediction Tool for Wheat

(1 May)
Ohio C.O.R.N. Newsletter
The Ohio State Univ.
Ohio Wheat Crop is Ahead of Schedule. Is that Good or Bad? Wheat Head Scab Forecasting and Alert Systems 2012 New Wheat Disease found in Kentucky - Could it be in Ohio? Corn Emergence and Heat Unit Accumulation Corn Replanting Considerations Some Weed Management Odds and Ends

(1 May)
Michigan Extension Field Crops News
Michigan State Univ.
Multiple Pythium species associated with soybean and corn seedling disease in Michigan

(1 May)
Kentucky Pest News
Univ. of Kentucky.
Barley Yellow Dwarf Evident in Some Wheat Fields Barley Yellow Dwarf: A Product of Warm Winter? Leaf Rust Brewing in Some Wheat Fields

(1 May)
Iowa Integrated Crop Management Newsletter
Iowa State Univ.
Progress of Corn Planting and Corn Emergence Nineteen Species of Pythium Associated with Damped-off Soybean Seedlings in Iowa Reduce Potential Soil Erosion Early in the Spring

(29 Apr)
Early-Planted Corn Developing Slowly
RL (Bob) Nielsen, Purdue Univ.

(27 Apr)
Purdue Pest & Crop Newsletter
Purdue Univ.
Armyworm Moths Aplenty, Implications for High-Risk Fields Wheat Disease Update

(27 Apr)
Nebraska Crop Watch Newsletter
Univ. of Nebraska.
Timely Fungicide Application May be Warranted in Wheat Research: Planting Soybeans Early Results in Increased Yield Scout Early Emerging Soybeans for Bean Leaf Beetles AgNews: Cattle Producers Urged to Prepare for Potential Drought Farmers, Ranchers, Water System Managers Urged to Consider Dry Conditions

(27 Apr)
Michigan Extension Field Crops News
Michigan State Univ.
Should producers consider an early first cutting harvest on alfalfa fields being rotated to corn? 2012 MSU corn nitrogen recommendations Riparian management near farm fields Wheat diseases are slow to develop so far this season

(27 Apr)
Wheat Freeze Damage more Apparent, so are Viruses
Chad Lee, Grain Crops Update, Univ of Kentucky

(27 Apr)
Kansas Agronomy E-update
Kansas State Univ.
Effect of freeze on wheat in boot and heading stages Estimating wheat yields after heading Chinch bugs on wheat Wheat streak mosaic causing problems in central Kansas

(27 Apr)
Iowa Integrated Crop Management Newsletter
Iowa State Univ.
Moths Abundant Around Iowa Black Cutworm Scouting Advisory Subsoil Moisture Levels are Still a Concern for 2012 Crops Corn Nitrogen Rate Calculator Update

(27 Apr)
the Bulletin: Pest mgmt & crop developmt information for Illinois
Univ. of Illinois
2012 Field Days Scheduled Around the State World's Worst Agricultural Pests? Some Familiar, Others Not, to Midwest Producers Stripe Rust of Wheat Update Consider Risk of Sudden Death Syndrome When Planting Soybeans Early Is It Time to Plant Soybeans? Soybean Row Spacing: Wide or Narrow? Nutrient Status of the Soil

(26 Apr)
Annual ryegrass has potential to go from cover crop to weed
Purdue/Ohio State AgAnswers

(24 Apr)
Ohio C.O.R.N. Newsletter
The Ohio State Univ.
Giant ragweed management: It's a long until crop canopy

(24 Apr)
Kentucky Pest News
Univ. of Kentucky.
Sampling for Corn Nematodes

(23 Apr)
Nebraska Crop Watch Newsletter
Univ. of Nebraska.
Stripe Rust Widespread in Southeast and South Central Nebraska Timing Critical to Treating Stripe Rust in Wheat Winter Wheat Developing Early, Vulnerable to Late Freeze Springtime Cereal Aphids Arrive Early in Winter Wheat Dry Weather and Brown Wheat Mites Go Hand-In-Hand With Limited Moisture, Adjust Dryland Corn Seeding Rates Drop Soybean Seeding Rate and Save $10-$18 per Acre Base Insect Decisions on Scouting, not the Calendar Millers Pesky, but Cause Little Damage Alfalfa: Early Spring, Early Cutting?

(23 Apr)
Expectations for the 2012-13 Corn Marketing Year
Darrel Good, Univ. of Illinois

(20 Apr)
Purdue Pest & Crop Newsletter
Purdue Univ.
Possibility for Black Cutworm Cutting in Southern Indiana...Already! Annual Ryegrass: Hard to Control Cover Crop or Weed? Freeze Injury in Wheat Corrected Webinar Link Protecting Honey Bees During Field Crop Planting

(20 Apr)
Missouri Integrated Pest & Crop Management Newsletter
Univ. of Missouri
The First 40 Days Are Critical For Grain Sorghum Health and Yield Black Cutworm Moth Numbers Low Except for SE Missouri Forage of the Month: Smooth bromegrass

(20 Apr)
Kansas Agronomy E-update
Kansas State Univ.
Management of grain sorghum before wheat Barley yellow dwarf symptoms, yield losses, and control Preliminary wheat variety reactions to stripe rust and leaf rust Are fungicides helping slow and stop the development of stripe rust? Webinar: Early season stand issue

(20 Apr)
Iowa Integrated Crop Management Newsletter
Iowa State Univ.
How Much Crop Residue to Remove Pay Attention to Soil Crusting After Heavy Rain Events How Long Will it Take Corn to Emerge?

(20 Apr)
the Bulletin: Pest mgmt & crop developmt information for Illinois
Univ. of Illinois
Stripe Rust of Wheat Update Black Cutworm Moth Flights Remain Intense--Freezing Temperatures Have Minimal Effect on Potential Cutting Threat Honey Bees and Neonicotinoids Addressed in Purdue University Webinar Options to Control Corn Plants from the Initial Planting Soil-Residual Herbicides: Factors Influencing Performance Weed Science Odds and Ends Yes, It's Time Again to Control Biennial Weeds in Pastures Fusarium Head Blight (Scab) of Wheat--Risk Assessment and Management Symptoms of Wheat Viruses Present in Illinois Wheat Fields Will Frosted Corn Recover?

(17 Apr)
Penn State Field Crop News
Penn. State Univ.
What’s Wrong With My New Forage Seeding? Seedcorn Maggots to Blame? Natural Enemies Dry Weather and Salt Injury Scouting Emergence Problems in Corn Forage Sorghum: Opportunity for Low Cost Forage

(17 Apr)
Kentucky Pest News
Univ. of Kentucky.
Armyworms active in corn and wheat Watch for Cereal Leaf Beetle in Wheat

(17 Apr)
Ohio C.O.R.N. Newsletter
The Ohio State Univ.
Impact of Low Temperatures on Corn Survival Wheat Growth Stage and Cold Temperature Injury Wheat Growth Stage and Foliar Fungicide Applications Alfalfa Freeze Damage Assessment and Management Hazardous Algae Blooms – What Are They, Why The Public Concern and What Is Their Relationship to Ohio Agriculture?

(17 Apr)
For This, Variety Selection is Not the Answer
George Rehm, Univ of Minnesota

(16 Apr)
Has the 2011 Corn Crop Been Rationed?
Darrel Good, Univ. of Illinois

End of document

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RL (Bob) Nielsen Agronomy Department Purdue University rnielsen@purdue.edu 765.494.4802

RL (Bob) Nielsen
Agronomy Department
Purdue University
rnielsen@purdue.edu
765.494.4802