Knowledgebase
Apple tree spraying #749443
Asked May 12, 2021, 10:38 AM EDT
Oakland County Michigan
Expert Response
Hello Diane,
Apple Sprays for non-commercial growers/gardeners Michigan State University Extension at this link: https://williamshane.weebly.com/uploads/2/7/0/7/27077603/apple_spray_for_non-commercial_growers.pdf
Please check out the Apple Spray Guide on Page 27 of Managing Pests in Home Fruit Plantings (SAVE THIS PUBLICATION) at this link: https://www.extension.purdue.edu/extmedia/id/id-146-w.pdf
Another good publication is the Controlling Diseases and Insects in Home Fruit Plantings - Ohio State University - Apple Spray Schedule starts on Page 13 at this link: https://cuyahoga.osu.edu/sites/cuyahoga/files/imce/Program_Pages/ANR/DigIn/Controlling%20Diseases%20and%20Insects%20in%20Home%20Fruit%20Plantings%2C%20Bulletin%20780%20%28whole%29.pdf
Here are two publications you should have for managing the fruit trees you have -
Your leaf image - looks like apple scab
Apple and Pear Diseases and Insects on Pages 87-101) Midwest Home Fruit Production Guide - Ohio State University (A PDF file - 151 Pages) at this link: https://plantpathology.ca.uky.edu/files/mw_home_fruit_productn_b591.pdf
If you want to purchase a spiral-bound hard copy Midwest Home Fruit Production Guide - Ohio State University for $ 26.00 go to this link: https://extensionpubs.osu.edu/midwest-home-fruit-production-guide/
Fruit Production for the Home Gardener - A Comprehensive Guide - Penn State University (A PDF File - 192 pages at this link:
If you want to purchase a hard copy Fruit Production for the Home Gardener - A Comprehensive Guide - Penn State University for $12.00 go to this link: https://extension.psu.edu/fruit-production-for-the-home-gardener
In addition to the above publications, there is the Michigan Fruit Management Guide 2021 MSUE E154 - This is used by commercial growers and it costs $30.00 - If you want that go to this link: https://shop.msu.edu/products/bulletin-e0154