Wednesday, February 18, 2026
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Be on guard for older soil-borne and look-alike soybean diseases

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Farmers often struggled during the drought of 2023 to identify what was happening in their soybean as plants showed similar symptoms with different causes.

University of Missouri Extension plant pathologist Mandy Bish calls some of these causes doppelgangers, look-alikes that mimic other diseases with confusing similarities and perplexing differences. In addition, old soybean foes and emerging threats combined to create challenges, she says.

Sudden death syndrome, as its name implies, strikes quickly as plants begin to flower. However, initial infection is in the roots. Symptoms include yellowing and browning of the leaves between leaf veins, followed by tissue death. Bluish fungal growth may appear on the roots. Roots show signs of rot, and severely infected leaves eventually fall off.

The fungus can survive in the soil and on soybean residue for several years. It favors cool and wet soils at planting time, so wait to plant when soil is warm. Aim to plant fields with SDS or SDS-like symptoms last. Plant an SDS-resistant variety into well-drained soil, and always rotate crops. Seed treatments can help to reduce early-season infections.

Red crown rot has symptoms that mimic sudden death syndrome. This disease has not been confirmed in Missouri, but losses up to 30 bushels per acre have been reported in western Illinois.

The fungus that causes red crown rot can survive winter and infect soybean roots shortly after planting. Symptoms include reddish discoloration in the root area near the soil line. Tiny, red ball-like structures called perithecia may grow on the crown and root. Wilting and death may not appear until late in the season. Leaves usually remain on the plant, unlike cases of sudden death syndrome. Co-infection can occur with plants having symptoms of both red crown rot and sudden death syndrome.

Later planting dates, rotation and avoiding poor drainage areas can help with managing the disease. Seed treatments may be helpful. Bish says that the disease can be spread through equipment.

Foliar injury due to fungicide applications was also observed in 2023. Symptoms on the leaves resembled SDS and red crown rot injury. This injury is typically due to triazole fungicides and more likely to occur in hot and dry conditions, such as those seen in 2023.

Charcoal rot favors dry, warm soils and is the disease to watch when drought conditions persist. Charcoal rot’s fungus grows inside the roots and stem. Symptoms most often occur late in the season but, as was the case in 2023, can appear early. The fungus disrupts water and nutrient uptake, which can result in yellowing leaves, wilting and premature leaf death. Early-season symptoms may be mistaken for Phytophthora or Pythium rots, but drought conditions favor charcoal rot. Tin black fungal structures called microsclerotia fall from mature plants at harvest and return to the soil, where they can infect future crops. Disease symptoms typically appear first in the driest regions of the field, such as edges, hillsides and areas with compacted soils. Bish received reports of charcoal rot the week of June 5, which is very early for Missouri. Most samples submitted to the MU Plant Diagnostic Clinic in June came from central and west0central Missouri, and many samples throughout the season tested positive for both charcoal rot and SDS.

Phytophthora root and stem rot was substantial in areas along U.S. Highway 36 and north in 2023. Phytophthora generally favors warm and wet condition, so its appearance during a droughty season initially seemed unusual, Bish says. But it appeared in irrigated fields where moisture created favorable conditions.

This disease can infect soybean at any stage and cause 100% yield losses. The fungus survives on crop residue and in the soil. The pathogen is becoming more complex, says Bish. The best management tool for this disease has been planting resistant varieties. However, the same soybean genetics have been in use since 1985, and the pathogen continues to adapt. The most commonly used resistance genes, Rps1c and Rps1k, are rapidly losing their resistance in the United States and some other countries. Other strategies to help with disease management include good drainage and seed treatments with active ingredients mefenoxam, metalaxyl and ethaboxam for early-season protection. To minimize spread, work suspect fields last and clean soil from equipment before moving to other fields or storage.

Soybean cyst nematode remains a top yield killer in Missouri, especially during drought. Since 1968, most growers have relied on varieties that contain P188788 or Peking resistances, with 95% of available seed containing P188788. Bish says Peking is an option, but not a “silver bullet,” when used in rotation, and seed is sometimes hard to find.

Test your soil to know your nematode numbers. Bish is director of the SCN Diagnostics clinic, will provide free SCN egg counts to farmers with support from Missouri Soybean Merchandising Council and farmers can contact the clinic by calling 573-884-9118 to learn more. Management of SCN includes rotation to non-host crops such as wheat or corn and rotation of SCN resistant varieties. For more information, see http://www.thescncoalition.com.

The 2024 Harvey County Home and Garden Show is March 23 and 24 at the Dyck Arboretum in Hesston.

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KSU horticulture

The 2024 Harvey County Home and Garden Show is March 23 and 24 at the Dyck Arboretum in Hesston. On the schedule are many lawn and garden educational seminars, a trade show in two buildings, door prizes and more!

 

Educational lawn and garden speaker topics include: pruning fruit trees, planting ornamental trees, flowers and much more! The K-State Research and Extension office in Harvey County is putting on the show and our Master Gardener volunteers assist with conducting this event.

 

At the trade show you can purchase plants, garden décor, garden tools, home décor, artwork, outdoor furniture and much more! To be a vendor you can pick up or request an application or visit our website here:

 

https://www.harvey.k-state.edu/lawn-garden/homegardenshow/index.html

 

Admission is $1 for adults and kids under 12 are free. This admission fee has not changed since we began the show in 2005!

Hort Newsletter 2024 No. 4

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KSU horticulture

https://hnr.k-state.edu/extension/info-center/newsletters/index.html

 

Blog Post: http://www.ksuhortnewsletter.org

 

Video of the Week: Video of the Week: Flower Bed Design

 

ANNOUNCEMENTS

Survey SAYS…

Results from the 2023 Hort Newsletter Needs Assessment are rolling in and we are learning a lot from you. We have heard that you want more content about growing fruits, vegetables and turf but also you’d like to learn from other gardeners in Kansas. Today we are responding to that request with our first Garden Spotlight.

For those of you who haven’t had a chance to tell us what you want from YOUR 2024 Hort Newsletter please take a few minutes to follow this link and tell us all about it. Horticulture Newsletter Needs Assessment

 

Tech Complications

As you know, K-State has experienced campus-wide IT complications. While some of the problems have been resolved, we are continuing to have issues with certain online resources. This is impacting some of the links shared through the newsletter. We apologize for this inconvenience and hope it will be repaired soon.

 

K-State Garden Hour: Gardening for a Changing Climate

Wednesday, February 7th 12:00PM – 1:00PM CST

Gardening in Kansas doesn’t come easy as we often face weather extremes and drought conditions. With projected changes in our climate, gardening will be more challenging. Extreme events will require adaptation with plant selection, irrigation, and soil health. Join Dr. Charles Rice, Nobel Peace Prize winner and Kansas State University Distinguished Professor of Soil Microbiology, to learn how to overcome the challenges of gardening in a changing climate.

 

LANDSCAPE

Increasing Winter Interest in the Landscape

The garden chore list is minimal at this time of year though many gardeners are deep into the planning phase for the upcoming growing season. Now is the perfect time to evaluate your landscape for winter interest and identify areas for improvement. Looking for dull areas now will help you determine the shape and size of plants needed to fill the space. Here are a few ideas to get your started.

Allegheny serviceberry (Amelanchier laevis) is a native tree/shrub that provides year-round interest. Even after the leaves drop the form of the branches is appealing.

Blue rug juniper (Juniperus horizontalis ‘Wiltonii’) is a low-growing evergreen that is silvery-blue in color. It offers dense coverage and is resistant to deer. As long as the soil isn’t constantly saturated, this is a great option for bringing low maintenance, year-round interest to the landscape.

The Coral Bark Maple (Acer palmatum ‘Sango Kaku’) is a 20-25-foot-tall tree with beautiful foliage that gives way to coral-colored bark in the winter. It makes a lovely focal point with its attractive leaves, fruit and branches.

These plants along with many others are detailed in the Kansas Roots resource online: www.ksroots.org.

 

TREES

Winter Care for Trees

If your trees have suffered damage from the recent ice and snow it is recommended to prune the branches as soon as possible to avoid further damage to the tree. Branches left to hang from the tree are more likely to tear the bark and expose the tree to an increased risk of disease and stress.

 

MISCELLANEOUS

Planting Calendar

The Kansas Garden Guide has the “Average Expected Planting Calendar” to help gardeners decide when to plant. The dates are estimates and should be altered based on the weather conditions for the current year, the varieties selected and regional considerations.

Use these dates as a guideline for your seed-starting calendar. Identify when you intend to transplant seedlings into the garden and count back to determine how many weeks earlier you need to start the seeds.

Crops such as Brussels sprouts, cauliflower and broccoli do best as transplants so they reach maturity before the heat arrives. Leeks are typically established as transplants rather than direct-seeded and seeds should be started 10-12 weeks before the transplant date. They can be difficult to find at garden centers so growing your own is typically necessary. It’s time to get a plan together to make sure you’ll have veggie starts this spring.

 

SCHOOL GARDENS

Thinking of Starting a School Garden?

Research has shown gardens can be used to extend the learning across the curriculum from math and science to language arts, history and more. Managing the school garden is often a barrier to starting and maintaining a program. If you’re an educator or know an educator who would like to incorporate gardening into the classroom, we have resources to help.

 

School Garden Planning

Finances play a role in any gardening venture, but for school gardens this barrier can prevent a program from getting in the ground. Sometimes the costs fall on the educator who is managing the program. There are ways to supplement garden programs to reduce costs, but this requires planning.

Now is a great time to start collecting and asking students to bring in recycled containers for seed starting. Single-serving yogurt containers, pudding cups, lunchable trays and “to-go” containers from restaurants are a few possibilities to use for growing seeds. Students can even save their milk cartons from the lunchroom.­­­

There are plenty of options for recycling containers for this purpose. Egg cartons are commonly recommended and can be used, but the ones made of cardboard tend to dry out very quickly and may require watering multiple times each day. Styrofoam cartons will dry out slower but because the container size is so small will still require daily watering. K-cups are another creative option for small seed-starting containers. Drainage holes will have to be added to the containers before adding soil.

Some considerations to make before asking students to bring in containers:

How many containers do you need? Make this clear so you don’t end up with an excess of materials taking up classroom space.
Ask students to clean the containers before bringing them in. This will reduce the odor and mess in their backpacks and classroom and distribute the work of cleaning among everyone.
Specify the type/size/material of the containers.
Specify the end date for bringing in containers unless you want students to bring them in year-round.
Other tasks to consider for the school garden:
It’s time to formalize a donation request letter to allow local businesses to partner with your garden program. Some materials to request include seed-starting mix, seeds, hand tools, hoses/watering cans and heat mats for seed starting.

Here is a link to an easy DIY for making a grow light for the classroom from Kansas Healthy Yards. If you plan to do this, you may also request donations for the supplies including PVC pipe and a shop light. Check with your administrator for approval prior to installing this set-up.

Get to know your Master Gardeners. The local Master Gardener program is a tremendous resource for garden knowledge and potential volunteers.

Get students started building a compost system. Research the three-bin compost system and help students discover the benefits of compost.

It’s time to get buy-in for new school garden programs. Generating the excitement now will help you establish a volunteer base to keep the garden growing year-round. Don’t forget to share your progress with us!

 

GARDEN SPOTLIGHT

Welcome to our first Garden Spotlight. This monthly feature is intended to connect gardeners across the state as we highlight garden programs, community gardens and residential gardens. It’s time to learn and grow together!

Grandma’s House

When Lori bought her house in Osawatomie, KS she knew she had a lot of work ahead of her, but the opportunity to live near her grandchildren was persuasive. Initially the work kept her inside, making the home livable. However, as the indoor projects became tiresome Lori made her way outdoors and began transforming the landscape into a space she could enjoy with her grandchildren.

With any project there will come challenges and Lori had her share with this new yard. The slope of the backyard directed draining water from the neighborhood straight to her back door. Additionally, this space, which formerly served as a play yard for an in-home daycare, was a giant sandbox. Though this sandy, sloped backyard was a new challenge for Lori, as an experienced gardener she was ready to get creative.

Lori hired a skid steer operator to adjust the slope of the backyard. Though he struggled to see her vision, Lori directed him to create upper and lower, more level, garden areas. She knew retaining walls were essential to keep the garden in place, but struggled to decide what material to use to create them. To buy herself some time she used recycled materials, such as pallets, spindles from an old stairway and scrap lumber, to build temporary support.

Compaction from the skid steer and all that sand meant Lori had to amend the soil prior to planting. As a soil lover Lori recognized the value of compost. She maintains a large pile of compost and did some deep-digging to integrate it into the landscape. Lori continues to add compost to the gardens annually and calls it “a layer of icing on the cake.”

Selecting plants has also been a challenge due to the remaining slopes but after two years of renovations Lori hosted her first garden party at “Grandma’s House”. She invited friends as well as locals she barely knew to enjoy a garden tour and pie. Lori took pleasure seeing others enjoy this space she created and affectionately refers to this as her “victory lap”.

Taking full advantage of this opportunity, Lori involved her grandchildren in the learning. Lessons such as “measure once and cut twice” (this is not a typo!) and “eyeballing” gave the children freedom to take risks and learn from mistakes. It also gave them ownership of the space. Lori has observed how the gardens have allowed everyone to slow down and watch for changes as well as find beauty in the small things.

Some of Lori’s takeaways from this garden makeover:

Once a gardener always a gardener.
Break big projects up into smaller ones.
Keep your vision even if others can’t see it.
Things don’t have to be perfect to be perfectly wonderful.
Compost is king.
Family is priceless.
Thank you, Lori, for sharing your story.

GARDEN SPOTLIGHT Request: Let us share your garden story so we can all grow together. Email Cynthia at [email protected] to tell your story.

 

QUESTION OF THE WEEK

The Rapid Response Center is a service provided by K-State’s Horticulture and Natural Resources Department. Specialists respond to thousands of questions each year on a wide range of garden-related topics. Sometimes the questions we get prompt more questions before we find a solution. Read on to learn how we work towards solving plant problems from a distance.

 

“What could be wrong with my Peace Lily? I’ve had it for multiple years and over the past month it has started drooping.”

 

Is the Peace Lily receiving the right amount of water? Be sure you only water when the soil starts to feel dry. Does the container have drainage holes? The plant should not be in standing water. If the soil dried out previously (you would see it shrinking away from the container) you will need to soak it in water for a few minutes so it can absorb water again.

 

Is the window drafty? Is there a heat source nearby? Sharp temperature fluctuations in either direction could cause stress to the plant.

 

How much light is the plant receiving? Too much light can cause these symptoms in Peace Lilies.

 

Have you checked for pests? Look closely on the undersides of the leaves and in the soil for tiny pests. Also notice if there is any sticky sap.

 

How humid is this site? Humidity levels are much lower this time of year and that can take a toll on tropical houseplants. If nothing above checks out, consider moving the plant to a more humid location such as a bathroom and see if the situation improves at all.

 

Contributors:

Cynthia Domenghini, Instructor & Horticulture Extension Specialist

Kansas Garden Guide

 

Department of Horticulture and Natural Resources

1712 Claflin, 2021 Throckmorton

Manhattan, KS 66506

(785) 532-6173

 

For questions or further information, contact: [email protected] OR [email protected]

This newsletter is also available on the World Wide Web at:

http://hnr.k-state.edu/extension/info-center/newsletters/index.html

 

The web version includes color images that illustrate subjects discussed. To subscribe to this newsletter electronically, send an e-mail message to [email protected] or [email protected] listing your e-mail address in the message.

 

Brand names appearing in this newsletter are for product identification purposes only. No endorsement is intended, nor is criticism implied of similar products not mentioned.

 

K-State Research and Extension is committed to making its services, activities and programs accessible to all participants. If you have special requirements due to a physical, vision or hearing disability, or a dietary restriction please contact Extension Horticulture at (785) 532-6173.

Kansas State University Agricultural Experiment Station and Cooperative Extension Service K-State Research and Extension is an equal opportunity employer. Issued in furtherance of Cooperative Extension Work, Acts of May 8 and June 30, 1914, as amended. Kansas State University, County Extension Councils, and United States Department of Agriculture Cooperating, Ernie Minton, Dean.

“Why Routine Dental Visits Matter”

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Routine visits to the dentist are key to maintaining overall health.

Preventive dental care starts at home. We advise patients to brush twice a day, usually in the morning and before bed, for two minutes followed by flossing. Eating healthy is also crucial to maintaining oral health. Sugary foods and beverages are key factors in tooth decay. Acid is produced when the bacteria in your mouth break down sugar. That acid dissolves the tooth surface leading to tooth decay.

Preventive dental care continues by visiting the dentist regularly, ideally every six months. Those with a high risk of tooth decay, periodontal disease, and bone loss may need to visit more often. This high-risk group includes smokers, diabetics, pregnant women, or individuals with diagnosed periodontal disease. Children should have their first visit to the dentist when the first tooth erupts or by their first birthday, whichever comes first.

Routine dental cleanings and exams allow dental professionals to catch potential tooth-related problems early before they become major issues. For example, if a tooth has a small amount of decay, that tooth may be easily saved with a filling. If the tooth decay or fracture goes undetected for months or years, that decay can continue to break down the tooth which could lead to even bigger problems. Untreated cavities can also lead to infections under the gums. These infections can result in more serious systemic infections in the body. In rare cases, these infections can be fatal.

Routine dental visits can also be key to detecting certain health issues early on like oral & skin cancer and gum disease. Gum disease has connections to heart disease, diabetes, stroke, and high blood pressure. Dental x-rays can also detect problems below the surface of the tooth or gums before they become bigger issues.

Oral issues can develop and progress quickly. It is never too late to begin healthy dental habits. Regular, preventive dental checkups help you avoid the pain, time, and expenses that dental problems can bring with them.

John Bisson, DDS is a dentist and owns Bisson Dental in Brookings, SD. Dr. Bisson is originally from Sturgis, SD but moved to Brookings in 2015 and opened Bisson Dental in 2018. For more information about Bisson Dental head here, https://www.bisson-dental.com/. Follow The Prairie Doc® at www.prairiedoc.org and Facebook featuring On Call with the Prairie Doc a medical Q&A show providing healath information based on science, built on trusst, streaming live on Facebook most Thursdays at 7 pm central.

Wheat Scoop: Applications Open for Kansas Wheat Scholarships Honoring Industry Leaders

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Kansas Wheat

Contact: Marsha Boswell, [email protected]

For audio version, visit kswheat.com.

High school seniors and current Kansas college students have until Friday, March 15, 2024, to apply for one of two $1,000 scholarships from Kansas Wheat honoring industry leaders Herb Clutter and David Radenberg. The scholarships — each worth $1,000 — continue a proud tradition of supporting the future of the Kansas wheat industry.

 

“Inspired by the enduring legacies of Herb Clutter and David Radenberg, Kansas Wheat is proud to help empower the next generation of the Kansas wheat industry,” said Justin Gilpin, CEO of Kansas Wheat. “Through these scholarships, we honor the passion of these industry leaders and help to provide opportunities for future leaders in agriculture.”

Herb Clutter Memorial Scholarship

Administered by the Kansas Association of Wheat Growers (KAWG), the Herb Clutter Memorial Scholarship will award one $1,000 scholarship per year to a college or university-bound incoming freshman from Kansas pursuing a career in the field of agriculture. To be eligible for the scholarship, applicants must plan to be a full-time student at any two or four-year Kansas college or university.

 

Recipients will be selected based on academic achievement, leadership qualities and career objectives focused around the field of agriculture. The scholarship will be toward tuition for the student’s college or university education. The scholarship is non-renewable.

 

The Herb Clutter Memorial Scholarship was established in 2009 to honor Herb Clutter’s influential role in organizing leadership groups on behalf of Kansas wheat producers, and is supported by the generosity of the Herb Clutter family. Herbert W. Clutter was a farmer from Holcomb and the first president of the National Association of Wheat Growers, which was established in 1948. Clutter encouraged Kansas wheat farmers to organize as a strong, unified voice, which led to the formation of the Kansas Association of Wheat Growers in 1952. He encouraged research in education and industrial uses of wheat, improved variety development and methods to produce the best product at the lowest cost. Clutter’s efforts led to the formation of the Kansas Wheat Commission by the Kansas legislature in 1957.

 

Apply for the Herb Clutter Memorial Scholarship by completing the scholarship application at kswheat.com/clutter. The application includes a 400-500 word essay discussing why the applicant has chosen to pursue a career in agriculture. The selection committee will use this essay, along with the student’s application, in determining the scholarship winner.

David Radenberg Memorial Scholarship

The David Radenberg Memorial Scholarship will award one $1,000 scholarship to a current undergraduate or graduate student from Kansas who is pursuing a career in the field of agriculture. Preference will be given to students pursuing a career related to the improvement of wheat, including but not limited to wheat genetics, wheat agronomics, wheat breeding, plant pathology, Extension and bioinformatics.

 

To be eligible for the scholarship, applicants must be enrolled as a full-time student at any two- or four-year college or university in Kansas. Incoming freshmen or transfers are not eligible.

 

David Radenberg was a lifelong wheat farmer in Claflin, Kansas, where his family has farmed for more than 100 years. He represented central Kansas on the Kansas Wheat Commission from April 2011 to March 2020, including serving as chairman from August 2018 to May 2019. Radenberg was also a founding board member of the Kansas Wheat Commission Research Foundation.

 

During his tenure as a commissioner, he supported wheat research and international marketing efforts, including attending the 31st annual Latin American Millers Conference in Lima, Peru, in 2013. At the time, he expressed how he enjoyed sharing with millers, bakers and merchandisers about the research investments Kansas farmers are making to provide a better-quality product.

 

In 2013, Radenberg also visited multiple Pacific Rim countries to promote U.S. wheat. The contrast between third-world poverty he saw in thriving modern cities left an impression on him and reinforced his support of wheat research to help feed a hungry world.

 

Apply for the David Radenberg Memorial Scholarship by completing the scholarship application at kswheat.com/radenberg. The application includes a 400-500 word essay discussing why the applicant has chosen to pursue a career in agriculture. The selection committee will use this essay, along with the student’s application and a statement of financial need, in determining the scholarship winner.

 

For both scholarships, the application and associated documents must be submitted to Kansas Wheat at 1990 Kimball Ave, Manhattan, KS 66502, by Friday, March 15, 2024. Learn more or download the scholarship applications at https://kswheat.com/growers/outreach/. More information is also available by contacting 785-539-0255 or [email protected].

 

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Written by Julia Debes for Kansas Wheat