Dr. X.B. Yang

• Home
  • XB Yang
  • Lab
    • Shrishail S Navi
    • Xun Li
  • Students & Researchers
• Research Areas
  • Climate change & Agriculture
  • Risk Assessment
  • Soybean Diseases
    • Foliar Diseases
    • Stem/Root Diseases
    • Extension Studies
  • Soybean Rust Epidemiology
  • Biofuel & Diseases
• Publications
  • Selected Publications
  • Extension Articles
  • Soybean Rust
  • 2005-2008
  • 2000-2004
  • 1990-1999
• Picture Gallery
• Contacts
  • Office
  • Lab
• CURRENT MANAGEMENT ISSUES
  • Fungicide Application Summary
  • Seed Treatment Summary
  • Foliar Diseases Forecast (active during season)

 

Frogeye leaf spot Frogeye leaf spot caused by Cercospora sojina. This image appears in the following article: Seed quality-realted soybean diseases (September, 2002)

Frogeye Leaf Spot

Frogeye Leaf Spot.

This image appears in the following article:

Fall soybean disease scouting (September, 1999)

All images on this web are copyrighted. All rights reserved. Please see our usage page policy for usage information. Use of any image on which the phrase "Copyright followed by name" or "© name" appears is prohibited without prior permission from the owner. XB Yang, Iowa State University, Ames, Iowa 50011