Agronomic Information:

• Lewis Corn Seed Treatment - 1/3/2012
• Lewis Soybean Seed Treatment - 1/3/2012
• Soybean Best Management Practices - 12/2/2011
• Roundup Ready Plus - Weed Management Systems in Soybeans - updated 12/2/2011
• Roundup Ready Plus - Weed Management Systems in Soybeans Quick Comparison guide - updated 12/2/2011
• Roundup Ready Plus - Soybean Recommendations and Incentives Guide - updated 12/2/2011
• Roundup Ready Plus - Corn Recommendations and Incentives Guide - updated 12/2/2011
• Impact Herbicide - Application Guide - updated 12/2/2011

• Agronomic ALERT - High Temperature and Humidity Effects on Kernel Development 2011 - MO - 8/1/2011
• Agronomic ALERT - Spider Mites in Corn - 7/20/2011
• Agronomic ALERT - Spider Mites in Soybeans - 7/20/2011
• Agronomic ALERT - Japanese Beetle in Corn and Soybean Fields - 7/19/2011
• Agronomic ALERT - Greensnap and Corn Lodging - 7/15/2011
• Agronomic ALERT - Greensnap Injury in Corn - 7/15/2011
• Roundup Ready Plus - Postemergence Herbicide Applications in Soybeans - 7/15/2011
• Roundup Ready Plus - Roundup Brand Agricultural Herbicide Application Reminders - 7/15/2011
• Agronomic ALERT - Corn Earworm (Helicoverpa zea) Management and Monitoring SS,DP,TP - 7/5/2011
• Agronomic ALERT - Assessing Nitrogen Loss after Soil Saturation - 5/18/2011
• Agronomic ALERT - 2011 Black Cutworm Cutting Dates- MO - 5/16/2011

Corn Diagnostic Guide - 5/10/2011

Intro/TOC

Diagnosing Field Problems in Corn: Examining a Field

Stage I: Scouting from Emergence to Knee-High

Stage II: Scouting from Knee-High to Tasseling

Stage III: Scouting from Tasseling to Maturity

Disease Symptoms

Insect Identification, Injury Symptoms, & Management Recommendations

Herbicide Injury Symptoms

Nutrient Deficiency Symptoms

Download entire Corn Diagnostic Guide

 

• The Science of Roundup Ready Technology, Glyphosate & Micronutrients - 3/3/2011
• Soybean Best Management Practices - 2/18/2011
• Waterhemp Wins Again! - Iowa State University - 2/9/2011
• Sudden Death Syndrome in Soybeans Northern - 9/13/10
• Frogeye Leaf Spot in Soybeans - 9/13/10
• Spider Mites in Soybeans - 7/17/10
• Drought Stress in Corn for Grain & Silage - 7/11/10
• Japanese Beetles in Corn & Soybean Fields - 6/28/10
  
• Greenspan and Corn Lodging - 6/23/10
  
• Early Corn Insects & Seedling Diseases - 6/16/10
  
• Rootless Corn Syndrome - 6/14/10
  
• Iron Deficiency Chlorosis (IDC) in Soybean - 6/10/10
  
• Hail Damaged Corn - Recovery & Damage Assessment - 6/7/10
  
• Hail Damaged Soybeans - Recovery & Damage Assessment - 6/7/10
  
• Seedling Diseases in Corn - 6/1/10
  
• BCW Cutting Dates (IN) - 5/29/10
  
• Corn Management in Flooded Fields - 5/18/10
  
• Soybean Replanting Decisions - 5/17/10
  
• Cold Temperatures on Small Corn - 5/13/10
  
• Cold Temperatures on Small Soybeans - 5/12/10
  
• Corn Replanting Decisions - 5/11/10
  
• Cold Saturated Soil Effects On Corn Germination and Emergence - 4/14/10

AGRONOMIC TECHNICAL HANDOUTS

AUGUST:

• High Night Time Temperatures & Cannibalization in Corn - 8/31/10
• Diplodia Rot in Corn - Stalk, Ear and Kernel - 8/23/10
• Corn Ear Rots & Kernel Sprouting & 1111VT2P vs. 1010RR IN-FIELD Comparison - 8/18/10
• Brown Stem Rot & SDS Identification Update - 8/9/10
• Purdue University SDS Report link (or click here for the pdf file)
• MU Aflatoxin Report - 8/5/10 (& 1109VT2P vs. 914VT3 Comparison)
• Webworms in Soybeans & Green Cloverworms in Soybeans - 8/3/10
• Corn Earworm Update & 910VT3 vs. 1108SS IN-FIELD Comparison - 8/2/10

JULY:

• Foliar Fungicide Applications & Soybean Rust - 7/29/10
• Soybean Plant Health & Foliar Fungicides - 7/28/10
• Goss's Wilt Update, U of I - 7/26/10
• Drought Stress in Shallow Rooted Corn - 7/13/10
• A Closer Look at Corn Pollination- 7/8/10
• Common Rust in Corn Update - 7/7/10
• Foliar Fungicide in Corn Update - 7/6/10

JUNE:

• Fall Armyworm Update - 6/30/10
• Western Bean Cutworm Update - 6/29/10
• Southwest Corn Borer Update - 6/27/10
• European Corn Borer Update - 6/24/10
• Postemergence Herbicide Applications in Soybeans - 6/21/10
• Dealing with Delayed Burndown and Soybean Planting - 6/21/10
• Nematode Management in Corn - 6/13/10
• Controlling Weeds Injured by Tillage - 6/3/10
• Assessing N Loss after Soil Saturation - 6/2/10
• Deciding When to Change to Earlier RM Corn Products - 5/21/10
• Corn Disease, Weed & Insect Calendars - 5/20/10
• Soybean Disease, Weed & Insect Calendars - 5/20/10
• Volunteer Corn Control: Pre-plant, Replant and In-crop and Select Max Replant Supplemental Label - 5/7/10
• Agronomic Alert - Sidedressing Corn - 5/4/10

Lewis Hybrids Agronomic Newsletters:

• Volume 1, Issue 6 - April 2010 (Lew U in Review-Soybeans)
• Volume 1, Issue 5 - Feb/March 2010 (Twin Row Study Summary)
  • Lewis Twin Row Study Summary
  • Monsanto Tech. Development Twin Row Study Summary
• Volume 1, Issue 4 - January 2010 (Increasing Soybean Yields)

APRIL:

• Crop Protection Update - Residual Herbicides in Corn Applied PRE and POST - 4/27/10
• Plant Corn and Soybean By Soil Temperature and Conditions Not According To The Calendar (for IA) - 4/15/10
• U of IL IPM - the Bulletin: Corn Herbicide and Insecticide Precautions - 4/14/10
• Managing Pigweed in Soybeans - 4/1/10
• Managing Waterhemp - 4/1/10

MARCH:

• Assessing N Loss After Soil Saturation - 3/22/10
• Soybean Seedling Diseases - 3/20/10
• University of IL IPM - the Bulletin: Top 15 Concerns of Handling Untilled Fields of Cornstalks
• Minimizing Potential Herbicide Injury - 3/17/10
• Corn Ear Rots & Kernel Sprouting - 3/16/10
• Soybean Yield and Planting Date - 3/13/10
• Managing Biotech Traits - 3/12/10
• ISU - Glyphosate-Manganese Interactions in Roundup Ready Soybean - 3/8/10
• Converting Wheat Acres to Corn - 3/5/10
• Spring Fertilizer and High Residue - 3/1/10

Jan - FEB:

• Considerations for planting large soybean seed - 2/17/10
• Managing White Mold - 1/13/2010