Horticulture diseases and pests

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Events

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Private Pesticide Applicator Training - Buchanan County

Event date: Dec. 1, 2023

Event time: | 1:00 pm - 3:00 pm

St Joseph, MO

The private pesticide applicator license issued by the Missouri Dept of Agriculture is required for producers wanting to purchase and apply restricted use pesticides. Application by unlicensed workers under the supervision of licensed applicators ...

2023 Crop Management Conference

Event date: Dec. 6, 2023 - Dec. 7, 2023

Columbia, MO

Farmers and crop specialists are invited to attend a special in-person annual conference for industry updates from leading agriculture researchers at the University of Missouri and other institutions across the US.A registration fee will apply and ...

2024 St. Charles Master Gardener Program Core Training

Event date: Jan. 18, 2024 - April 25, 2024

St. Peters, MO

Provides in depth horticulture training for Missourians who wish to spread their knowledge of gardening. Prepares volunteers for horticulture questions frequently asked by citizens around the state, based on unbiased research based gardening ...

2024 Master Gardener Program -Jefferson County

Event date: Feb. 8, 2024 - April 11, 2024

High Ridge, MO

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Choose the right pest control provider before the bedbugs bite

Published: Tuesday, Oct. 3, 2023

COLUMBIA, Mo. – To some, “Don’t let the bedbugs bite” isn’t just a quaint good-night wish. Bedbugs are a nightmare for people in the hospitality and housing industries, says Sam Polly, coordinator of University of Missouri Extension’s ...

Rotten tomatoes star in garden horror show

Published: Thursday, July 13, 2023

COLUMBIA, Mo. – Your beautiful tomato plant is setting fruit and soon has nice green tomatoes. Then, to your horror, a dark sunken spot shows up at the bottom of the fruit.You might think an insect or disease has attacked your plant, but such is ...

MU Extension launches Crop & Pest text alert system

Published: Thursday, June 8, 2023

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 specialists launched the Mizzou Crop & Pest Text Alert system in ...

Gardens: Fast food for hungry critters

Published: Thursday, June 8, 2023

COLUMBIA, Mo. – Cute critters by day, gardeners’ worst enemies by night.Most gardeners know the frustration of having a beautiful garden decimated by wildlife, said University of Missouri Extension horticulturist David Trinklein.“Our ...

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Publications

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Elderberry Insect and Disease Management

Publication date: June 1, 2023

Michele WarmundState Fruit Specialist, Division of Plant SciencesThis guide is the first known spray schedule to be developed for insect and disease control for field-grown elderberry in Missouri. Pesticide products labeled for greenhouse or ...

Restricted-Use Pesticide Record-Keeping Form

Publication date: April 1, 2023

This Restricted-Use Pesticide Record-Keeping Form is for use with MP692, USDA Pesticide Record-Keeping Requirements for Certified Private Applicators of Federally Restricted-Use Pesticides. The revised form includes places to note information ...

Asian Chestnut Gall Wasp

Publication date: Jan. 9, 2023

Adult Asian chestnut gall wasp.Photo: Gyorgy Csoka, Hungary Forest Research Institute, Bugwood.org Distribution and hostsThe gall wasp, Dryocosumus kuriphilus Yasumatsu, was introduced into North America in 1974 on imported chestnut cuttings. A ...

Disease Prevention in Home Vegetable Gardens

Publication date: Dec. 14, 2022

Reviewed by David H. TrinkleinHorticulture State SpecialistDivision of Plant Sciences & Technology Vegetable gardening is the number one hobby in the United States. Additionally, it is an ideal way to save on the family food budget while producing ...

Identification and Management of Turfgrass Diseases

Publication date: Oct. 26, 2022

Reviewed by Peng TianAssistant Professor, Plant SciencesReviewed by Manoj ChhetriDepartment of HorticultureBarb CorwinTurfgrass Diagnostics L.L.C.Ned TisseratColorado State UniversityBrad FresenburgDivision of Plant SciencesUnless otherwise ...

Common Weed Seedlings of the North Central States

Publication date: Oct. 26, 2022

Reviewed by Kevin BradleyDivision of Plant SciencesAndrew J. Chomas, James J. Kells, J. Boyd CareyDepartment of Crop and Soil SciencesMichigan State UniversityAccurate weed identification is the first step in a successful weed management program. ...

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Resources

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Don't Move Firewood website

Find out how far is too far to move firewood to avoid transporting invasive pests and diseases to new areas.

Emerald Ash Borer University

Emerald Ash Borer University is the collaborative effort of the USDA Forest Service, Michigan State University, Purdue University, and Ohio State University. EAB University serves as the nation's clearinghouse on all aspects of this destructive ...

How to Diagnose Black Walnut Damage

Learn how to diagnose damage to black walnut trees in this technical report from the U.S. Department of Agriculture, Forest Service.

Asian Longhorned Beetle (USDA APHIS)

Find out more about the Asian longhorned beetle on the U.S. Department of Agriculture's Animal and Plant Health Inspection Service website.

Homeowner Treatments for Emerald Ash Borer

This video from Purdue University Extension describes how homeowners can use certain pesticide products for protecting ash trees against emerald ash borer.

Professional Applicator Treatments for Emerald Ash Borer

This video by Purdue University Extension demonstrates what homeowners can expect when a tree-care professional uses a trunk injection system to treat their trees for emerald ash borer.

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Featured programs

Plant Diagnostic Clinic

Identifies and provides management solutions for insects, diseases and weeds.

Tree Pests

A collaborative effort of state and federal agencies to keep citizens informed of the latest invasive insect and disease threats to Missouri's trees.

Weed Science Extension

Allowing turf professionals, farmers and homeowners to search for and identify common weeds from alligatorweed to yucca.

Nuisance Wildlife

In the wrong circumstances, almost any species of wildlife can become a nuisance. Learn how to prevent and solve wildlife damage problems.

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Horticulture diseases and pests

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