Anthracnose Leaf BlightCORN036.JPG

Anthracnose leaf blight

Area of impact: Leaves

Description: Oval watery lesions appear first, enlarging up to 15 mm long. Lesions are tan with reddish-brown borders, and they appear on lower leaves early in the season and upper leaves late in the season.

Pathogen involved: Colletotrichum graminicola (a fungus)

Timing/Conditions: Occurs at seedling phase and at full maturity—but not usually in the middle of summer—after high temperatures and long periods of wet weather.

Contributing factors: The fungus overwinters on corn debris.

Management practices: Use resistant hybrids, tillage (where appropriate) and crop rotation.

Ask an Agronomist

The material and content contained in the Greenbook label database is for general use information only. Agworld and Greenbook do not provide any guarantee or assurance that the information obtained through this service is accurate, current or correct, and are therefore not liable for any loss resulting, directly or indirectly, from reliance upon this service. This label database does not replace the official manufacture issued label. Users of this database must read and follow the actual product label affixed to the container before use of the product.