Phil Krieg

Agronomic Service Representative, Syngenta

CLASSROOM #12: Tar Spot and Target Spot: New Corn and Soybean Diseases to Look Out For in 2020

ybean Diseases to Look Out For in 2020.” An increase in the incidence of tar spot in corn and target spot in soybeans — along with several leaf blights in both crops — continues to cause concern for no-tillers trying to optimize their crop production, says Phil Krieg.

The agronomic service representative for Syngenta outlines the causal pathogens, spread and management of these diseases, and why cultural practices and fungicide applications are important management tools in battling these yield robbers. Control measures are discussed, addressing the need for more aggressive scouting and management to protect the yield potential of notilled crops.