eUpdate Articles Tagged: disease


Diagnosing rootless corn syndrome

disease corn 

Kansas crop disease summary for 2019 - Corn, soybeans, and sorghum

What were the most prevalent diseases affecting corn, soybeans, and grain sorghum in Kansas during the 2019 growing season? This article recaps the most active diseases affecting summer row crops and discusses the growing conditions that played the biggest role in their development.

disease summary 

What are the causes of yellow wheat?

A common question around this time of year deals with yellow discoloration in wheat. Learn about the different causes for yellow wheat in the spring.

wheat disease yellow wheat nutrient deficiency freeze injury 

Time to start scouting wheat for stripe and leaf rust

With more reports of stripe rust appearing in Oklahoma and a recent report of disease in southeast KS, the time to start scouting wheat fields is now. Photos and scouting tips are featured in this article from K-State Plant Pathologist Dr. Erick DeWolf.

wheat disease stripe rust leaf rust 

Evaluating the need for foliar fungicides on wheat

Leaf diseases in wheat are often managed by a combination of genetic resistance and crop rotation. However, foliar fungicides may be needed when these practices fail to suppress disease levels. What should producers consider before any treatment application?

wheat disease stripe rust foliar fungicides 

Updated wheat fungicide publication for 2020

The KSRE publication "Foliar Fungicide Efficacy for Wheat Disease Management" has been updated for 2020. Check out this valuable resource when deciding on a fungicide application to wheat.

wheat disease fungicide efficacy 

Wheat disease update for Kansas - May 15, 2020

Stripe rust has been reported in multiple locations across Kansas in recent weeks. More recently, it has been seen in the upper canopy. For a complete wheat disease update, see this article from Extension Plant Pathology.

wheat disease stripe rust loose smut wheat streak mosaic 

Wheat disease update and fungicide considerations

Stripe rust continues to be the top disease story for Kansas wheat in 2020. Leaf rust has also made an appearance. What other diseases should you be looking for and are fungicides still an option? Find out more in this article.

wheat disease fungicide stripe rust leaf rust fusarium head blight 

Late-season wheat diseases: Be on the lookout for Fusarium head blight

Be on the lookout for some late-season diseases in wheat across Kansas. Get the latest wheat disease update from K-State Plant Pathology in this article.

wheat disease fusarium head blight head scab 

Fungicide considerations for corn diseases: Scouting is key

Corn producers should be scouting fields and assessing the need for a foliar fungicide application. Learn about the different disease risks factors for corn and when treatment is recommended for susceptible and intermediate hybrids.

corn disease foliar fungicides gray leaf spot bacterial leaf streak 

Updated 2020 Wheat Variety Disease and Insect Rating publication

Variety selection is one of the most important decisions that a grower can make to ensure success on their farm. The Wheat Variety Disease and Insect Ratings 2020 publication, from K-State Research and Extension, has now been released for this year. Keep this resource handy when making planting decisions.

wheat insects disease variety selection 

Status of disease pressure in corn and soybeans

What diseases are cropping up in corn and soybean fields this summer? For corn, most fungicide applications have been made, except for late-planted fields. Soybeans are generally looking good. Read more about what diseases have been found in soybean fields.

soybeans corn disease southern rust gray leaf spot foliar diseases 

Management options for Sudden Death Syndrome in soybeans

Within the last two weeks, Sudden Death Syndrome has been reported in portions of northeast KS. Yield loss depends on the soybean variety and crop stage when symptoms appear. Management of this disease requires an integrated approach.

disease soybeans Sudden Death Syndrome 

Kansas winter wheat disease summary for 2020

Disease pressure on the winter wheat crop in 2020 was lower than average. Read this summary article from K-State Wheat Pathologist Kelsey Andersen Onofre and learn more on the most prevalent wheat diseases last year in Kansas.

wheat disease summary  

Outlook for stripe rust in the 2021 Kansas wheat crop

With the onset of spring weather, it is time to look at factors that could influence the yield potential of the Kansas wheat crop. Producers may be starting to consider disease management plans. Read about the outlook for stripe rust in Kansas for 2021.

wheat disease stripe rust 

What are the causes of yellow wheat?

During this time of the year, it is normal to see some wheat fields turn yellow. The pattern may vary from field to field, sometimes as large areas, small patches, or streaks of yellowish wheat. What are some of the main causes of yellow wheat in the spring?

wheat disease yellow wheat nutrient deficiency 

Time to start scouting wheat for stripe rust: First reports in southeast Kansas

The first reports of stripe rust in Kansas have come in this last week. These reports have been only in the southeastern corner. Growers in south central and southeast Kansas should be scouting their fields in the coming days and weeks.

wheat disease stripe rust scouting 

Soybean seed treatments: Avoiding seedling diseases

As farmers start planting soybeans in Kansas, it is important to consider common causes of seedling damping off and potential management strategies. Learn about the main soybean seedling diseases and what seed treatments are effective in this article.

soybeans disease seed treatment seedling diseases 

Wheat disease update - May 6, 2021

This article summarizes the various wheat disease reports from across Kansas this past week. Several diseases are showing up in different locations, so now is the time to be actively scouting wheat fields.

wheat disease stripe rust leaf rust wheat streak mosaic 

Evaluating corn fields for nematode damage

There are many disease organisms that can result in the reduction of corn yields in Kansas. The root-lesion nematode operates below ground on the roots and often has no identifiable symptoms other than yield loss.

corn disease root-lesion nematode 

2021 Wheat Variety Disease and Insect Rating publication

Wheat Variety Disease and Insect Ratings 2021, from K-State Research and Extension, has now been released for this year. Agronomic characteristics, disease, and pest resistance information is included, as well as profiles that highlight some common or new varieties for Kansas.

wheat insects publication disease variety selection  

Check for stalk rots prior to grain sorghum harvest

It is important to check sorghum fields for stalk rot diseases prior to harvest. The two most common types of stalk rot in sorghum are charcoal rot and Fusarium stalk rot. Even in fields where lodging is has not yet occurred, producers should be prepared to deal with stalk rot issues.

disease stalk rot grain sorghum lodging fusarium stalk rot charcoal rot 


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