spot blotch-5372279-PPT.jpg

Spot blotch

Area of impact: Leaf

Description: Infection begins on the lower leaves and appears as dark flecks. Later the lesions mature into oval-shaped black blotches usually no more than 1 cm in diameter.

Pathogen involved: Cochliobolus sativus (a fungus)

Timing/Conditions: Late season in moderate to warm wet weather.

Contributing factors: Plants stressed by frost or Hessian fly are at increased risk of infection.

Management practices: Rotate with corn and soybeans, bury wheat stubble and use fungicides and seed treatments.

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.