Agronomy eUpdate July 15th, 2021

Issue 864

Palmer amaranth control in grain sorghum

Pre-emergence herbicides are critical for successful weed management in grain sorghum, especially for difficult to control species like Palmer amaranth. When pre-emergence control efforts fail, learn the best options for Palmer amaranth in sorghum fields later in the growing season.

grain sorghum palmer amaranth post-emergence herbicide resistance 

Southern rust has been reported in additional counties in Kansas

Southern rust has been reported in two additional counties in Kansas since the last update on July 8. While levels are low, recent weather in some areas has been favorable for disease development. Early detection is crucial for successful management of this corn disease.

corn disease leaf diseases southern rust 

Germination testing of wheat seed

Fusarium head blight can result in reduced germination for wheat seeds and make reading a germination test much more difficult. Having your seed professionally tested for germination is always a good practice and highly recommended when Fusarium head blight was prevalent.

wheat germination testing wheat seed 

World of Weeds - Johnsongrass

Johnsongrass is a warm-season, perennial plant that is not native to Kansas. Since being introduced as a forage crop in south during the 1880s, it has spread throughout the U.S. It is considered a noxious weed in Kansas. Learn more about this weed and how to control it in this article.

World of Weeds johnsongrass 

K-State North Central Experiment Field Fall Field Day, August 17

The North Central Kansas Fall Field Day is scheduled for Tuesday, August 17, at the headquarters near Scandia. This free event will be held in-person and is open to everyone. A meal will be provided at the end of the program. Details on topics and speakers are included in this article.

fall Field Day North Central