Extension Agronomy eUpdate-Issue 1114: July 30, 2026

	Wheat Streak Mosaic Complex: The Role of Variety Resistance Not all wheat varieties respond the same under wheat streak mosaic pressure. This article reviews the latest information on virus resistance, wheat curl mite resistance, and how variety selection fits into an integrated management program.
	Using Drones for In-Season Corn Crop Scouting Drones are becoming valuable tools for in-season crop monitoring. Discover how RGB and multispectral imagery can reveal nutrient deficiencies, water stress, disease, and other issues before they become widespread.
	2026 National and Kansas Corn Yield Contests – Registration Closes August 12 The countdown is on for this year's National and Kansas Corn Yield Contests. Registration closes August 12, and participating growers have the chance to earn statewide recognition, national awards, and cash prizes while showcasing their crop management success.
	Corn Leafhopper Confirmed in Kansas, but No Corn Stunt Spiroplasma Detected to Date Corn leafhoppers have been confirmed in Kansas, but testing has not detected corn stunt spiroplasma to date. Learn the latest scouting recommendations, identification tips, and how to take advantage of K-State's free testing program.
	Southern Rust Continues to be Detected at Low Levels Across Kansas Southern rust continues to spread in Kansas, although disease levels remain lower than normal for this time of year. Scouting is still encouraged, particularly for later-planted corn fields. This update reviews current disease activity and management recommendations.
	Kansas River Valley Experiment Field Fall Field Day, August 11 Join K-State Extension on August 11 for the Kansas River Valley Experiment Field Day near Rossville. Hear the latest on precision agriculture, row crop diseases, and herbicide application research.
	East Central Experiment Field Fall Field Day, August 19 The East Central Experiment Field Fall Field Day returns August 19 with timely presentations on precision agriculture, disease management, and herbicide applications. Learn more about this free educational event.
	Targeted Herbicide Application Solutions Clinic Scheduled for August 20 See the latest targeted herbicide application technology in action during the Targeted Herbicide Application Solutions Clinic on August 20. This hands-on event features equipment demonstrations, field data presentations, and discussions on volunteer corn management led by industry experts and K-State Agronomy.
	2026 Sorghum Connection Field Days: August 26-28 Make plans to attend one of three Sorghum Connection Field Days this August and explore nearly 1,000 research plots featuring the latest in hybrid performance, fertility, cropping systems, and precision agriculture. Register now to reserve your spot.