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Cornell Cooperative Extension

Suffolk County

  • Agriculture
  • Community Education
  • Gardening
  • Horticulture Labs
  • Marine
  • Suffolk County Farm
  • 4-H
  • Peconic Dunes Camp
  • Recursos en Español
apple scab
Image by Clemson University, USDA Cooperative Extension Slide Series www.bugwood.org

Later stage symptoms of apple scab on a maturing apple.

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  • Tree Fruit Diseases
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Tree Fruit Diseases

2021 Home Garden Fruit fungicide table

Apple Scab

Bacterial Spot of Peach

Black Knot

Brown Rot of Stone Fruits (peach, plum, etc.)

Cytospora Canker of Fruits

Peach Leaf Curl

Contact

Alice Raimondo
Horticulture Consultant
aw242@cornell.edu
631-727-4126

Last updated March 9, 2023

Horticulture Factsheets

  • General Gardening Information
  • Sustainable Gardening
  • Vegetable Gardening
  • Vegetable Diseases
  • Vegetable Insects
  • Lawn Care
  • Lawn Pest Control
  • Tree / Shrub / Groundcover / Vine
  • Tree and Shrub Maintenance
  • Tree and Shrub Insect Pests
  • Tree and Shrub Disease
  • Flowers, Bulbs, and Ornamental Grasses
  • Small Fruit
  • Small Fruit Pests
  • Tree Fruit Growing
  • Tree Fruit Insect Pests
  • Tree Fruit Diseases
  • Indoor / Outdoor Insect Pests
  • Tick Biology and Control
  • Wildlife
  • Indoor Plant Care
  • Christmas Trees
  • Integrated Pest Management
  • Poisonous Plants
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Cornell Cooperative Extension
Suffolk County

Extension Education Center
423 Griffing Avenue, Suite 100
Riverhead, New York 11901-3071
TEL: 631-727-7850
suffolk@cornell.edu
Hours: 8:30am-4:30pm

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