eUpdate Articles Tagged: weeds


Consider fall treatments for control of marestail in soybeans

weeds fall-applied weed control herbicide marestail soybeans 

Controlling annual weeds with fall-applied herbicides ahead of corn and sorghum

weeds fall-applied kochia herbicide weed control corn sorghum 

New K-State 2019 Chemical Weed Control Guide now available online

weeds weed control publication 

Marestail in soybeans: Strategies for the best control

weeds weed control soybeans 

Late-winter preplant applications for kochia control

weeds winter weed control kochia herbicide 

Weed control strategies for grain sorghum

weeds grain sorghum weed control sorghum 

Control strategies for sericea lespedeza

weeds weed control 

Control annual weeds with fall-applied herbicides ahead of corn and sorghum

Now that row crop harvest is underway and fall moisture has been received, it is time to start planning fall herbicide applications to control winter annual broadleaf weeds and grasses ahead of grain sorghum or corn.

weeds fall-applied 

Kansas weeds: Know your mustard species

Several mustard species are found in Kansas fields, including tansy mustard, flixweed, bushy wallflower, field pennycress, and blue mustard. Can you ID these different species in the field? Learn about the identifying features of each one in this article.

weeds mustards 

Cover crop termination considerations

Now is the time to begin considering how to terminate winter cover crops in preparation for summer crops. Some cover crop species, such as oilseed radish or fall-planted oats, are likely to be killed by freezing over the winter. But, many cover crops will need to be terminated by mechanical or chemical methods in the spring.

weeds cover crops herbicide 

Control options for buckbrush, roughleaf dogwood, and smooth sumac

Three common brush species native to Kansas are buckbrush, roughleaf dogwood, and smooth sumac. What are the best options for control of the brush species?

weeds brush control 

Kansas weed survey - Reminder to participate before August 31

Herbicide-resistant weeds are threatening the profitability and long-term sustainability of Kansas cropping systems. We are seeking input on this issue from Kansas farmers and agriculture professionals.

weeds survey herbicide resistance 

Kansas weed survey - Reminder to participate before August 31

Please consider completing a short survey on herbicide resistant weed control. The survey will close at the end of August. Information collected will help develop innovative, cost-effective and integrated weed management practices for Kansas farmers.

weeds survey herbicide resistance 

Weed management practices: Fall scouting for weeds

Weeds that escape control by in-season management practices can cause several problems at harvest and in future growing seasons.

weeds scouting herbicide resistance seedbank weed management 

Cover crop termination considerations

Now is the time to begin considering how to terminate winter cover crops in preparation for summer crops. While some species will be killed due to freezing over the winter, others will need to be terminated by mechanical or chemical methods.

weeds cover crops herbicide termination 

Weed management practices: Fall scouting for weeds

Weeds that escape control by in-season management practices can cause several problems, including the possibility of reduced harvest efficiency and crop yield. Scouting for weeds at harvest is an important practice for planning future weed management.

weeds scouting crop scouting 

K-State 2022 Chemical Weed Control Guide now available

One of the most popular K-State Extension publications is here! The 2022 Chemical Weed Control Guide is now available. This publication provides suggestions for chemical weed control in several major crops.

weeds publication Weed Control Guide  

Cover crop termination considerations

Now is the time to begin considering how to terminate winter cover crops in preparation for summer crops. Some cover crop species are likely to be killed by freezing over the winter. But, many cover crops will need to be terminated by mechanical or chemical methods in the spring. Learn more in this article!

weeds herbicide termination Cover Crops 

Musk thistle control in the fall

Musk thistle is one of 12 noxious weeds in Kansas infesting nearly 500,000 acres. Control efforts should be aimed at reducing or eliminating new populations and established stands should be managed with any accepted control method. Fall is an excellent time to treat musk thistle since they are in the rosette stage of growth.

weeds weed control musk thistle noxious weed 

Early-season weed control in cotton

Early-season weed control is especially important in cotton because can be slow to canopy relative to other crops grown in Kansas, and therefore less competitive early in the growing season. Tillage is often used for early-season weed control; however, most Kansas cotton acreage is in conservation tillage systems, so effective herbicides are needed before planting.

weeds weed control cotton residual herbicides burndown herbicides 

Frontier District to host meeting on increasing row crop yields with weed and fungus control

The Frontier Extension District will host a meeting on increasing row crop yields with weed and fungus control at 6:00 p.m. on Feb. 22 in Overbrook. Learn about corn and soybean weed management, tar spot of corn, and Sudden Death Syndrome in soybeans.

weeds row crops fungus 

Management options for control of field bindweed

Last week's eUpdate featured an article on field bindweed focusing on its ecology, growth characteristics, and identification methods. This week, the focus is on developing effective long-term control strategies for this troublesome weed that impacts Kansas farmers. A good control program will include cultivation, herbicide use, and competitive crops.

weeds weed control bindweed field bindweed 

Controlling weeds after wheat harvest

The 2024 wheat harvest is well underway, so it is time to think about weed control in wheat stubble. Delaying control can result in lost soil moisture that could be used for crop production and weed seed production, which will cause difficulties in the future. There are two priorities: controlling already emerged weeds and preventing later flushes.

wheat weeds weed control wheat harvest 

Palmer amaranth control in grain sorghum

When the aggressive nature of Palmer amaranth is combined with the limited post-emergence herbicide options in grain sorghum, problems often arise even when an adequate preemergence herbicide program is used. This article covers post-emergence herbicide options for Palmer amaranth control in grain sorghum.

weeds grain sorghum weed control palmer amaranth 

World of Weeds - Purple threeawn

Purple threeawn is a warm-season perennial grass native to Kansas and the Great Plains that can be a challenging weed in fields under long-term no-till management. This species may be found invading fields along with tumble windmillgrass and tumblegrass - other problematic native perennial grasses. It is rarely consumed by animals and is an indicator of overgrazing on rangelands.

weeds World of Weeds perennial grass purple threeawn 

World of Weeds: Snow-on-the-mountain

It may still be summer in Kansas, but the newest World of Weeds feature is all about snow-on-the-mountain. This plant's showy, white foliage is very noticeable in late summer, and you may see it right now on roadsides and in pastures. Learn more about this weed, which can be toxic to humans and cattle.

weeds weed control World of Weeds snow on the mountain 


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