Skip to content
Field Crop News logo
  • News
    • All News
    • Ag Business Minutes
    • Crop Reports
    • Field Crop Q&A
    • Baute Bug Blog
    • Crop Chats
  • Topics
    • Corn
    • Soybeans
    • Forages
    • Cereals
    • Dry Beans
    • Canola
    • Other Crops
    • Soil Health
    • Soil Fertility
    • Weed Control
    • Insect & Pest Management
    • Disease Management
    • Field Scouting
    • Decision Tools
  • Ask a Specialist
  • Events
  • Video

Tag: sudangrass

Frost Injury in Sorghum Species

sorghum-sudangrass after a frost
Posted on September 16, 2025 (September 16, 2025) by Christine O'Reilly

Caution! Members of the sorghum family – sorghum, sudangrass, and hybrid sorghum-sudangrass – contain dhurrin, a glucoside that breaks down to release hydrocyanic acid, also known as prussic acid (hydrogen cyanide, HCN). A sudden disruption of growth such as frost, drought or cutting, causes prussic acid to be released inside the plant at a more […]

Read More…

Forage Options for Unseeded Fields

Posted on July 12, 2019 (December 22, 2021) by OMAFA Field Crop Team

Unseeded fields provide an opportunity to boost forage inventories with annual crops. These forage crops have a bonus of suppressing weeds and protecting the soil from erosion. When selecting a forage crop consider the livestock’s dietary needs, the type and quality of forage in inventory, herbicide or fertilizer previously applied, and resources that are readily […]

Read More…

About

  • About
  • Field Crop Q&A
  • Tips
  • Crop Chats

Tools

  • Apps
  • Presentations and Videos
  • Great Lakes and Maritimes Pest Monitoring Network
  • Regional Corn Rootworm Trap Network
  • Mapping Tools
  • Tools for Corn Growers

Variety Selection

  • Canola
  • Cereals
  • Corn
  • Edible Beans
  • Forages
  • Soybeans

Publications

  • Agronomy Guide
  • Crop Protection Guide
  • Guide to Weed Control
  • Soil Fertility Handbook
  • Problem Weed Guide
  • Weed ID Guide

Subscribe

Subscribe to the Field Crop News mailing list.

Thank you!

You have successfully joined our subscriber list.

Supported by

© 2025 Ontario Ministry of Agriculture, Food and Rural Affairs, All Rights Reserved. Contributor login.