University of Maryland Extension

Tree Fruit Pest Management

  • 2019 Spray Bulletin for Commercial Tree Fruit Growers (456-419) (pdf)     
    This publication is available in two formats. A hard copy can be purchased at (shipping charges will be applied to your order). or PDF files which are available are located on the right side of web page.

  • 2020 Spray Program for Multi-Tree Fruit Orchards
    Multi-Tree Fruit Orchard Spray Program for the control of major tree fruit (Pomes: apples, pears; Stones: peaches, plums, nectarines and cherries) pest and diseases. R. David Myers, University of Maryland Extension

  • A Return of a Scale
    Educational Article on San Jose Scale. Stanton Gill, Extension Specialist in Nursery and Greenhouse IPM, Central Maryland Research and Education Center, University of Maryland Extension, and professor with the the Landscape Technology Program, Montgomery College

  • Spray Record-Keeping Spreadsheet
    It's easy to keep accurate pesticide records on your farm - This spreadsheet (Microsoft Excel file) will help you document chemical applications in apple, peach, cherry, and pear orchards. Most commonly-available tree fruit pesticides registered in PA are listed, along with EPA registration numbers, re-entry intervals, and pre-harvest intervals. This years changes to the spreadsheet are: updated introductory sheet, extended the pivot table to include farm costs, added over double the amount of pages,  removed outdated products (including Belt, Calypso, Carzol, Clutch, Thionex, Tourismo, Adamant, and Serenade Max),  added 17 products (Rescue Wasp Trapstick, Suppress, Matratec, Ultor, Previsto, Actgard, Aprovia, Luna Sensation, and Rhyme to name a few). Developed Matt Harsh, updated 2012-2018 by Sladjana Prozo; Contributors: Warren Aukett, Mark Shannon, Melissa Carbaugh, Scott McQuiston, Mark Boyer, PivotTable by Pete at

  • A Pocket Guide for IPM Scouting in Michigan Apples - E2720
    Plastic-coated scouting guide with its 3.25" by 5.0" pages fits in your pocket for easy use in the orchard. Its pictures and descriptions will help you identify pests, beneficial organisms, and pest damage. It also offers guidelines for monitoring and thresholds. List Price: $14.00. By David Epstien and Larry Gut

  • A Pocket Guide for IPM Scouting in Stone Fruits- E2840
    Plastic-coated scouting guide with its 3.25" by 5.0" pages fits in your pocket for easy use in the orchard. Its pictures and descriptions will help you identify pests, beneficial organisms, and pest damage. It also offers guidelines for monitoring and thresholds. List Price: $12.00. By David Epstien and Larry Gut

  • Effective Insecticides for Brown Marmorated Stink Bugs
    Based on laboratory bioassay results and field screening trials as of February 7, 2011.
    By Kent Smith, USDA-ARS

  • Fungicide Resistance Management Guidelines for Apple Scab, Powdery Mildew, Brown Rot, and Peach Scab Control in the Mid-Atlantic United States
    Alan R. Biggs, West Virginia University and Kari Peter, Penn State University

  • Growing Season updates
    Provides growing season information - to access information, click on links below. 
    Penn State Fruit Research & Extension Center, Biglerville, PA

    Weekly Insect Bytes

    Insect Pests (Insect Trap Count Data, Percent Hatch or Emergence Data)
    Apple Diseases (Scab, Rust, Fire Blight, Sooty Blotch and Flyspeck of Apple, Cherry Leaf Spot) 

  • Identifying Natural Enemies in Crops and Landscapes (E2949)
    By Joy Landis, Michigan State University Extension.  List Price $10.00

  • Mid-Atlantic Orchard Monitoring Guide: Pest Insect and Disease Biology and Monitoring
    Douglas G. Pfeiffer, Virginia Tech

  • Intergrated Pest Management (IPM) in Apple Orchards (Video)
    Producers: Dr. Kari Peter, Tree Fruit Plant Pathologist, Dr. David Biddinger, Tree Fruit Entomologist, Dr. Tara Baugher, Tree Fruit Extension Educator, Penn State Extension. Regular field scouting and weather monitoring are key to achieving the production goals of conserving soil and water, reducing pesticide use, and being good, responsible employers. In this short video, you will learn some basic orchard scouting principles for a common disease – apple scab – and also mite pests and beneficials.

  • IPM Weed Pocket Guide for Weed Indentification in Field Crops (Pocket Guide)            
    Growers of row crops produce their crops in the presence of a multitude of pest and plant health problems.To order go to: Michigan State University Book Store - List price $16.00. Michigan State University Extension, Compiled and edited by: Wesley Everman, Joy Landis

  • Mid-Atlantic Fruit Loop
    Disease Information content of the "Loop" at Virginia Tech is focused on entomology, with an extension collection of color photographs and fact sheets on fruit pests. The Virginia Tech
    site also has an extensive collection of links to fruit professionals and the agricultural industry, as well as frequently updated weather information of importance to fruit producers.

  • Plant & Pest Advisory (Website)
    The Plant & Pest Advisory provides seasonal updates to NJ commercial growers. Rutgers Cooperative Extension.

  • Spotted Wing Drosophila Monitoring and Management (Fact Sheet 1023)
    By Kelly Hamby, Bryan Butler, Kathleen Demchak, and Neelendra Joshi, University of Maryland Extension and the University of Maryland Department of Entomology. Published November 2015

  • Spotted Wing Drosophila
    Penn State Extension Pest Alert, Authors: K. Demchak, D. Biddinger and A. Surcică; Pictures: A. Surcică;Reviewers: B. Butler, E. Rajotte, S. Spichiger, L. Donovall, and K. Bernhard;Horticulture Program November 2011

    Part 1: Overview and Indentification
    Part 2: Natural History
    Part 3: Monitoring
    Part 4: Management

  • Stop BMSB
    Stop BMSB Web Site is bringing its latest findings to growers in North America. A group of 50 researchers from 10 institutions across the United States are solving the mysteries of this pest that damages a huge range of fruit, vegetable, and ornamental crops. You will find a photo indentification guide and recommendations for how to control it. Collaborators: USDA/NIFA - Specialty Crop Research Initiative, USDA -Ag Research Services, Rutgers, Penn State, Virginia Tech, University of Delaware, University of Maryland, Northeastern IPM Center, Washington State University, Cornell University, Organ State University, and North Carolina State University

  • Stone Fruit Diseases
    Includes peaches, nectarines, cherries, apricots, and Plums. Penn State Extension

  • Summary of Brown Marmorated Stink Bug Infestations in Maryland Crops 
    Galen Dively, Cerruti Hooks, and Terry Patton, University of Maryland

  • Tree Fruit Diseases Update (Blog)
    Disease management information directed mostly to the Frederick County Virginia tree fruit industry, updated as needed though out the growing season.
    Keith Yoder, Tree Fruit Pathologist, Virginia Tech Ag. Research and Extension Center, Winchester, VA

  • Tree Fruit Field Guide to Insect, Mite, and Disease Pests and Natural Enemies of North American (NRAES-169)
    500 color photos, actual size drawings of pests, over 20 pages of diagnostic keys, glossary, index. List Price: $38.00. Authors: A. Agnello, G. Chouinard, A. Firlej, W. Turechek, F. Vanoosthuyse, C. Vincent

  • WVU TTFREC Current Conditions
    Disease management information directed mostly to the eastern counties of West Virginia and the tree fruit industry there. The blog is updated as needed throughout the growing season. Alan R. Biggs, Professor of Plant Pathology and Extension Specialist, West Virginia University, Kearneysville Tree Fruit Research and Education Center, Kearneysville, WV.


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