Agronomy eUpdate June 12th, 2020

Issue 805

Registered dealers in Kansas can sell over-the-top dicamba product to end users

On Wednesday, June 10, the Kansas Department of Agriculture provided clarification of the impact of the EPA cancellation order for Engenia, FeXapan, and XtendiMax product labels.

soybeans dicamba cotton EPA 

Green snap in corn

Some recent storms and high winds this spring have caused significant stalk breakage in corn fields. With these storms, it is not unusual to have up to 40% of stalks in some fields broken off at ground level. This is usually referred to as green snap, brittle corn, or brittle snap.

corn green snap high winds stalk breakage 

Corn leaf diseases in Kansas

There are several leaf diseases that can infect corn in Kansas in any given year. They can all be controlled with some combination of hybrid selection, tillage management, crop rotation, planting dates, or foliar fungicides.

corn leaf diseases southern rust leaf blight Goss's wilt gray leaf spot common rust 

Wheat harvest: Identifying disease problems and setting harvest priorities

As we begin harvest across the state, we wanted to provide some reminders about diseases that may affect either grain quality or the viability of grain that is destined to be saved for seed.

wheat harvest loose smut fusarium head blight seed quality 

Early summer control of sericea lespedeza using herbicides

Sericea lespedeza is a major invasive species of concern on rangeland, pasture, and some CRP acres in Kansas. This state-wide noxious weed infests over 600,000 acres in Kansas. June is a good time for control of sericea lespedeza using herbicides.

pastures sericea lespedeza invasive species noxious weed 

World of Weeds: Yellow nutsedge

Yellow nutsedge (Cyperus esculentus) is the feature of this month’s World of Weeds article. Several questions have come in recently regarding identification and control of yellow nutsedge. Learn more about this weed species in this article from Sarah Lancaster.

World of Weeds yellow nutsedge 

Kansas weed survey: Producers/ag professionals input requested

To help develop innovative, cost-effective, and integrated weed management practices for controlling herbicide-resistant weeds, we invite you to please complete a brief survey related to weed management practices and herbicide-resistant weed problems. Details can be found in this article.

Western Kansas remains very dry with significant impacts on agriculture

Extreme drought can be found in southwest Kansas with significant impacts on agriculture. Learn more about the Drought Monitor and find out what to expect over the rest of June in terms of rainfall and heat. (Cracked soil photo credit: Josh Coltrain)

Drought SW Kansas drought monitor 

Ag-Climate Update for May 2020

The Ag-Climate Update is a joint effort between our climate and extension specialists. Every month the update includes a brief summary of that month, agronomic impacts, relevant maps and graphs, 1-month temperature and precipitation outlooks, monthly extremes, and notable highlights.

weather Climate