C.O.R.N. Newsletter 2005 Archive

  • July 11, 2005 - July 19, 2005
    Editor:
    Jim Skeeles

    In This Issue:

    • 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
  • July 5, 2005 - July 12, 2005
    Editor:
    Jim Skeeles

    In This Issue:

    • Drought of 2005
    • Follow Up to Aphids and Mites
    • Lodged Corn
    • Rootworm Larval Feeding Evident
    • European Corn Borer (ECB) Larval Feeding in Some Fields
    • Rust Update for July 3
  • June 28, 2005 - July 6, 2005
    Editor:
    Greg La Barge

    In This Issue:

    • 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”?
    • Farm Focus Field Day July 12
    • OSU Weed Science Field Day – July 6
  • June 22, 2005 - June 28, 2005
    Editor:
    Greg La Barge

    In This Issue:

    • 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?
    • Nitrogen Sidedressing for Corn
    • Foliar Fertilizers for Soybeans
    • Identifying Nutrient Problems, Tissue Testing Takes the Out the Guess Work
  • June 14, 2005 - June 21, 2005
    Editor:
    Greg La Barge

    In This Issue:

    • 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
    • Wheat Production Field Day in Northwest Ohio June 21
    • “Let’s Get Ready” Scouting and Sprayer Clinic June 21
  • June 7, 2005 - June 14, 2005
    Editor:
    Greg La Barge

    In This Issue

    • 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
  • May 31, 2005 - June 7, 2005
    Editor:
    Tammy Dobbels

    In This Issue:

    • Wheat Head Scab Risk Prediction For Wheat
    • Staging Early Season Growth In Corn
    • A Few Things to Think About With Regard to Postemergence Herbicide Applications in Corn and Soybeans
    • Applying Nitrogen to Young Corn
    • Scout for Armyworm Now
    • Slug Update
    • Glyphosate Formulations
    • Ammonium Sulfate with Glyphosate – Why and How Much?
    • Soybean Rust Update
    • Insect Update in Corn
    • Potato Leafhopper on Alfalfa
    • Let’s Get Ready Sprayer Clinic & Wheat Production Field Day
  • May 23, 2005 - June 1, 2005
    Editor:
    Tammy Dobbels

    In This Issue:

    • Corn Replant Decisions Update and Review - (Adapted from Singin’ From The Same Sheet of Replant Music, 5-22-2005)
    • Weed Escapes in Corn and Postemergence Options
    • Postemergence Control of Dandelion
    • Assessing the Current Level Of Wheat Leaf Diseases In Ohio and Making Fungicide Applications
    • Slugs Beginning to Feed
    • Time to Scout for Cutworm
    • Status of Soybean Rust
    • Wheat Production Field Day June 21, 2005
    • Forecasting Wheat Fusarium Head Blight or Head Scab in Ohio
  • May 16, 2005 - May 24, 2005
    Editor:
    Tammy Dobbels

    In This Issue:

    • Corn Emergence Problems and Replant Decisions
    • “Patching in” Corn and Uneven Emergence
    • Replant Considerations: Hybrid Selection Issues
    • Seeding Rates & Replanting Corn
    • Weed Management in Replanted Corn Fields
    • Corn Replanting and Fertilizer Issues
    • Seed Treatments are Especially Important for Phytophthora sojae Now!
    • Wheat Powdery Mildew Now And Head Scab Risk Evaluation Soon
    • Insect Update
    • Strategies to Reduced Spray Drift
  • May 9, 2005 - May 17, 2005
    Editor:
    Tammy Dobbels

    In This Issue:

    • Check Corn Fields for Emergence Problems
    • Assessing Corn Seedling Emergence and Seedling Diseases
    • Wheat Yellowing, Is It Nitrogen Deficiency?
    • What Is The Risk Of Head Scab On Wheat This Year?
    • Rotary Hoe for Weed Control
    • Controlling Emerged Grasses with Atrazine
    • Soybean Rust Update
    • Bean Leaf Beetle in Soybean
    • How to Kill Roundup Ready Corn – Part II

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About the C.O.R.N. Newsletter

C.O.R.N. Newsletter is a summary of crop observations, related information, and appropriate recommendations for Ohio crop producers and industry. C.O.R.N. Newsletter is produced by the Ohio State University Extension Agronomy Team, state specialists at The Ohio State University and the Ohio Agricultural Research and Development Center (OARDC). C.O.R.N. Newsletter questions are directed to Extension and OARDC state specialists and associates at Ohio State.