Pests and Plant Diseases | Extension | University of Nevada, Reno

Practical pests and plant diseases advice you can trust

Providing information programs and training to help you identify and control insect, disease and weed problems; learn how to apply pesticides safely; and more.

Latest Publications

Creeping thyme groundcover makes a good lawn alternative.

Lawn Alternatives for Northern Nevada

Northern Nevada is a high desert climate, so traditional lawns require a lot of water and maintenance here. If you're looking for a more water-efficient and low-maintenance option for your yard, here are a few ideas to get you started.

Reducing Lawn with Buffer Strips

If you’d love to keep your lawn but are tired of some of their maintenance headaches and are looking for an eco-friendlier option that will conserve water and prevent water pollution, we have the perfect solution for you – buffer strips!

People shopping for pesticide products in a hardware store.

Pesticide Labels Explained

Tips for considering when to use a pesticide and the basics of reading pesticide labels.

Featured Programs

Food Business Center

Pesticide Safety Education Program

Beginning Farmer and Rancher - Herds & Harvest Program

All Pests & Plant Diseases Programs

Beginning Farmer and Rancher - Herds & Harvest Program

Developing educational courses, workshops, technical assistance, business advice and mentoring support network for Nevada agricultural producers who are beginning or diversify a farm or ranch operation.

Commercial Landscape Horticulture

Classes offer training for green industry workers, including some bilingual classes, on how to landscape in the Nevada desert

Food Business Center

Providing training and technical assistance to help Nevada producers diversify and expand their product portfolio, optimize operational processes and ensure that those entering food processing are compliant with US requirements.

Green Industry Training

A workforce development program to train green industry professionals, who receive continuing education units for pesticide applicator, ISA-certified arborist and Qualified Water Efficient Landscaper

Grow Your Own, Nevada!

Learn the secrets of high desert gardening

ladybug larva eating aphids on a pepper plant

Integrated Pest Management

Integrated Pest Management program is a long-term management strategy that uses a combination of tactics to reduce pests to tolerable levels with potentially lower costs for the pest manager and minimal effect on the environment.

Master Gardener Native Plants Demonstration Garden

Members of the Master Gardeners of Washoe County's Native Plants Committee maintain a small demonstration garden on the west side of Extension, Washoe County Office.

Nevada Desert Bioscape

Extension’s Desert Bioscape program takes a holistic approach to conserving natural resources in an urban setting. This program targets adult learners in the green industry of southern Nevada. The program uses the successful Correctional Horticultural program as a model for development. Implementation of the curriculum meets the needs of people already working in the industry. In addition to these goals, training will be translated into money savings for the

Pesticide Safety Education Program

Extension’s Pesticide Safety Education Program provides web-based training for pesticide applicators seeking to apply restricted and general use pesticides safely, properly and according to the law. Pesticide licensure and certification is administered by the Nevada Department of Agriculture.

Weed Prevention & Management

Integrated weed management is based on economically viable and environmentally friendly weed management tactics that combine use of herbicides with other control tactics, such as mowing, burning, tillage, grazing and re-vegetation. By taking steps to prevent weed invasion, land owners/managers and other stakeholders can avoid the economic and environmental impacts of noxious and invasive weeds.

Weed Warriors Invasive Weed Training

The Weed Warriors program tackles the growing problem of weeds on public and private land.

Pest & Disease Related News Articles, Fact Sheets, Reports...


"The Good Weed Series: Purslane (Portulaca oleraceav), Desert Gardening in Southern Nevada, Blog Posts 21-01 The Master Gardener Volunteers of Southern Nevada provides horticultural information on gardens, landscapes, plants and other related topics. This blog post is one of many resources of information available to the public to help accomplish this mission. Deever, D. 2021, Extension, University of Nevada, Reno
"The Good Weed Series: Purslane (Portulaca oleraceav), Desert Gardening in Southern Nevada, Blog Posts 21-01 Purslane is one of the most ubiquitous weeds that pop up in vegetable gardens in Southern Nevada, and therefore it’s also one of the most maligned, despite its great qualities. Deever, D. 2021, Extension, University of Nevada, Reno
2023 Nevada Small Agriculture Conference Tentative Agenda The Nevada Small Agriculture Conference is being coordinated by Nevada Farm Bureau members with the assistance of the University of Nevada, Reno Extension and Western Sustainable Agriculture Research and Education (WSARE). It will be held on August 25-26, 2023 at the Santa Fe Station in Las Vegas, NV. Chapin, K. 2023, University of Nevada, Reno Extension
A Guide to Desert Bioscape This publication will help the reader understand how to garden more efficiently in the Mojave Desert and in other dry areas. Beautiful yards and landscapes can be created while applying environmentally friendly principles. Putting these principles into use will help conserve water in one of the driest spots on earth. Robinson, M.L., Johnson, W.S., Post, R.L., and Carlos, W.J. 2004, Extension, University of Nevada, Reno, SP-04-12
A Homeowner’s Guide to Cheatgrass Cheatgrass, also known as downy brome and bronco grass, is an annual plant native to Europe and Asia. Cheatgrass has a serious environmental impact on Nevada. It dries out very quickly, becoming extremely flammable. This increases the occurrence and intensity of fires in sagebrush areas. Davison, J. and Smith, E. 2006, Extension \| University of Nevada, Reno, FS-05-29
A Northern Nevada Homeowner's Guide to Identifying and Managing Cabbage Caterpillars This fact sheet describes the identifying features, life cycle, plant damage, and control methods for managing common caterpillar pests on various crops in the cabbage family. K. Burls, W. Hanson Mazet, H. Kratsch 2021, Extension, University of Nevada, Reno
A Northern Nevada Homeowner's Guide to Identifying and Managing Cabbage Caterpillars This fact sheet describes the identifying features, life cycle, plant damage, and control methods for managing common caterpillar pests on various crops in the cabbage family. K. Burls, W. Hanson Mazet, H. Kratsch 2021, Extension, University of Nevada, Reno, FS-21-109
A Northern Nevada Homeowner's Guide to Identifying and Managing Earwigs This fact sheet describes the identifying features, life cycle, plant damage, and control methods for managing earwigs in Nevada. K. Burls, W.Hanson Mazet, H. Kratsch 2021, Extension, University of Nevada, Reno, FS-21-108
A Northern Nevada Homeowner's Guide to Identifying and Managing Earwigs This fact sheet describes the identifying features, life cycle, plant damage, and control methods for managing earwigs in Nevada. K. Burls, W. Hanson Mazet, H. Kratsch 2021, Extension, University of Nevada, Reno
A Northern Nevada Homeowner's Guide to Identifying and Managing Prickly Lettuce This fact sheet provides identification and management methods for the nuisance weed prickly lettuce. Donaldson, S. and Hanson Mazet, W. 2010, Extension, University of Nevada, Reno, FS-10-28
A Northern Nevada Homeowner's Guide to Identifying and Managing Shield Bugs This fact sheet describes the identifying features, life cycle, plant damage, and control methods for managing Shield Bugs in Nevada. K. Burls, W. Hanson Mazet, H. Kratsch 2021, Extension, University of Nevada, Reno, FS-21-110
A Northern Nevada Homeowner's Guide to Identifying and Managing Shield Bugs This fact sheet describes the identifying features, life cycle, plant damage, and control methods for managing Shield Bugs in Nevada. K. Burls, W. Hanson Mazet, H. Kratsch 2021, Extension, University of Nevada, Reno

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