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Horticulture diseases and pests : article

'Bee' mindful of pollinators when spraying fruit crops

COLUMBIA, Mo. – Bees are a fruit tree owner’s friend and need special protection from pesticides, says University of Missouri Extension horticulturist Michele Warmund. Bees are essential to pollinate many fruit crops, including apple, pear, Japanese plums, sweet cherries, blueberry and elderberry…

A time of transition

COLUMBIA, Mo. – Despite suspending all face-to-face programming due to COVID-19, University of Missouri Extension recognizes the continued need to provide university research and knowledge to help farmers and consumers alike.

Ask a Master Gardener: Options for small trees and shrubs, recommendations on hand tools

Readers can pose questions or get more information by calling 417-874-2963 and talking to one of the trained volunteers staffing the Master Gardener Hotline at the University of Missouri Extension Center in Greene County located inside the Botanical Center, 2400 S. Scenic Ave., Springfield, MO…

Be vigilant for spotted lanternfly in Missouri

COLUMBIA, Mo. – Missouri residents are urged to be on the lookout for spotted lanternfly (SLF), an insect that could have devastating effects on the state’s $4.2 billion wine and grape industry. SLF can damage fruits including grapes, as well as ornamentals and urban landscapes.

Big changes for private pesticide applicators coming in 2025

New 2025 rules require private pesticide applicators to complete training and licensing for safe RUP use.

Conditions are right now for cracking, splitting tomatoes

Tomatoes may crack or split after dry periods followed by rain; consistent watering, mulching, and timely harvest can help prevent damage.

Don't plant seeds you didn't order

Do not plant unsolicited seeds. They may carry pests, diseases, or invasive species. Report or safely return unknown seeds.

Grant aims to share pest management information with more diverse audience

The University of Missouri’s Integrated Pest Management (IPM) program has received a grant from the U.S. Department of Agriculture to strengthen its reach to diverse clientele with sustainable pest management practices.

Helping growers make lavender thrive in muggy Missouri

Learn how growers can successfully cultivate lavender in Missouri’s humid summers with research-based guidance and tips.

High tunnel workshop offered in St. Peters

ST. PETERS, Mo. – A high tunnel workshop will be held 9 a.m. to 4:30 p.m. Saturday, Feb. 24, at the University of Missouri Extension Center in St. Charles County, 260 Brown Road, St. Peters.

Hitchhiking hammerhead worm kills native earthworms

COLUMBIA, Mo. – Some Missouri gardeners are finding a new type of flatworm in landscape soils.The hammerhead worm is a “voracious, top-level predator,” says University of Missouri Extension horticulturist Kelly McGowan. “It will eat anything in its path,” she says. It primarily feeds on native…

Hitchhiking spotted lanternfly threatens state's wine industry

The spotted lanternfly is a threat to Missouri’s wine industry, hitchhiking on vehicles and posing risks to grape production and tourism.

Master Gardener training begins Feb. 26 in Hillsboro

HILLSBORO, Mo. – University of Missouri Extension in Jefferson County will hold Master Gardener classes Monday evenings at Jefferson College’s Hillsboro campus. Weekly classes will be 6:30-9:30 p.m., Feb. 26 to May 7, said MU Extension horticulturist Debi Kelly.

MU Extension launches Crop & Pest text alert system

COLUMBIA, Mo. – Missouri farmers have a new tool to alert them to insects, crop diseases and other important information from University of Missouri Extension specialists.

MU Extension offers Wednesday town hall meetings online for farmers, gardeners

COLUMBIA, Mo. – University of Missouri Extension is offering online town hall meetings led by agronomy, livestock and horticulture specialists.

MU Extension: Do not plant seeds you did not order

Warns people not to plant unsolicited seeds from abroad to avoid invasive pests, diseases, or viruses.

MU pesticide safety program vital to state's ag economy

Offers training and tools so pesticide applicators safeguard people, land, and Missouri’s agricultural economy.

MU plant diagnostic clinic helps Amish producers in Clark

On-site crop health clinic at Clark Produce Auction offering Amish growers insect, disease diagnosis and tailored guidance.

MU Plant Diagnostic Clinic is now open

COLUMBIA, Mo. – Like humans, plants can get sick and need someone to diagnose their illnesses, says Peng Tian, the new lab director of the University of Missouri Plant Diagnostic Clinic.

New MU entomologist tells farmers about pests to watch for

PALMYRA, Mo. – “The genie’s out of the bottle” on the spotted lanternfly, University of Missouri Extension entomologist Kevin Rice told farmers Feb. 8 at the second annual NEMO Soils and Crop Conference in Palmyra.

Nostoc, wicked witch of wet lawns

Nostoc, or witch’s butter, appears in wet, bare lawn spots. It’s harmless but unsightly; remove with rakes, shovels, or improve drainage.

On patrol for critter control

COLUMBIA, Mo. – Pest control in the garden might conjure images of a season-long battle with bugs, weeds and diseases. But sometimes four-legged “friends” such as deer, rabbits and squirrels can inflict far more damage, says University of Missouri Extension horticulturist David Trinklein.

Prune fruit trees in midwinter

COLUMBIA, Mo. – The best time to prune fruit trees in Missouri is midwinter, according to University of Missouri Extension horticulture specialist Debi Kelly.

Report mystery seeds to the Missouri Department of Agriculture

Report unsolicited seed packages to Missouri officials. Do not plant or open seeds and follow MDA guidance.

Safe storage of farm chemicals protects people and animals

Ensure farm chemicals are stored safely: keep accurate inventory, follow label instructions, control temperature, secure storage, rotate products.

Say bah 'hum-bug' to uninvited tree pests

Holiday greenery may carry harmless insects from nature indoors—learn how tree farms, vacuuming, or removal can keep unwanted pests out.

Scout crops early and often for best results

Scout crops regularly to detect pests early, protect yields, and make informed pest management decisions.

Spotted lanternfly knocking at Missouri's door

Spotted lanternfly may arrive in Missouri this summer, threatening grapes and vineyards—early detection and control are vital to protect industry.

Too much moisture can hinder root development

Heavy or prolonged wet soil can drown deep roots and weaken plants, leaving them vulnerable when dry spells follow.

Tuesday Tip videos bring gardening tips alive

Get expert gardening tips in short, engaging videos covering topics like plant care, pest control, and seasonal advice for gardeners at every level

Virtual town halls meet producers where they are

LAMAR, Mo. – When COVID-19 paused face-to-face programming, University of Missouri Extension agronomy specialist Jill Scheidt knew producers would still need assistance with the growing season. Living by MU Extension’s mission of taking university research and knowledge to the people, Scheidt began…

Warm, wet weather helps 'dog vomit slime mold' thrive

Warm, wet weather helps dog vomit slime mold grow on mulch, harmless but curious in appearance.

Wet weather triggers mole activity

Rain boosts mole activity as they tunnel for earthworms, leaving damage in lawns. Learn effective methods to manage and control them.

When your garden becomes a drive-thru for wildlife

Most gardeners know the frustration of having a beautiful garden decimated by wildlife. Just like people, deer and other critters are drawn to food that is tasty and convenient. A garden is wildlife’s equivalent of a fast food drive-thru.
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