Backyard success with apples
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Backyard Success With Apples. Created by: Dave Knapp University of Minnesota Extension Master Gardener-Anoka County. Backyard Success With Apples. Selecting a planting site Proper planting technique Decisions after planting Pruning for fruit trees Pest and disease management

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Backyard Success With Apples

Created by: Dave Knapp

University of Minnesota Extension Master Gardener-Anoka County


Backyard Success With Apples

  • Selecting a planting site

  • Proper planting technique

  • Decisions after planting

  • Pruning for fruit trees

  • Pest and disease management

  • Choosing an apple tree variety


Choosing an apple tree variety

  • Consult a reliable source for varieties developed for our area

  • Know your fruit hardiness zone

  • Follow your tastebuds


Choosing an apple tree variety

  • Apple varieties for Minnesota

    Zestar- ripens in late August and has a delightful balance of flavors.

    Sweet 16- one of the most unusual flavored apples in Minnesota. Very sweet with a flavor like cherry candy.

    Honeycrisp- Minnesota’s premier eating apple with a sweet-tart flavor and crisp texture.


Choosing an apple tree variety

  • Know your fruit hardiness zone

    The Minnesota Metro area, including Anoka County, is in zone 4a.

http://www.extension.umn.edu/distribution/horticulture/images/1111f02.jpg


Select a planting site

  • What space requirements are needed for the variety of tree selected?

  • Are any soil amendments necessary?

  • Call for a free utility marking service to identify buried utilities. 1-888-258-0808


Proper planting technique

  • Bare root planting

  • Container planting

http://www.sustland.umn.edu/implement/images/planting_trees_2.gif


Decisions after planting

  • How much should I mulch?

http://na.fs.fed.us/pubs/uf/tom/090202_tom_hr.pdf


Decisions after planting

  • Do I need to fertilize?

http://www.clemson.edu/extension/hgic/graphics/1000/apply_fertilizer.jpg


Decisions after planting

  • How much should I water?

http://na.fs.fed.us/pubs/uf/tom/090202_tom_hr.pdf


Decisions after planting

  • Is pruning needed?

http://ohioline.osu.edu/hyg-fact/1000/1150.html


Pest and Disease Management

  • Integrated Pest Management

    What are my choices for dealing with pests?

    What are the risks involved with each choice?

    What is my attitude toward those risks?


Pest and disease management

  • What are key diseases I may encounter?


Pest and disease management

  • What pests may I expect to bother my tree or fruit?


Pest and disease management

  • Best cultural practices for good tree health

    .


Pest and disease management

  • Options for those with low tolerance


Pest and disease management

  • Key diseases of Apple in Minnesota

    Apple scab-caused by a fungus that affects both leaves and fruit.

    Fire Blight- a bacterial disease that can kill blossoms, green shoots, branches and trees.

    Black Rot- a fungal disease that is an occasional problem on stressed trees.

    Cedar Apple Rust- a fungal disease that damages leaves and fruit of very susceptible varieties.

    Sooty Blotch and Flyspeck- a fungal disease that causes cosmetic damage to fruit in August or September.


Pest and disease management

  • Pests of Apple in Minnesota

    Apple Maggot

http://www.extension.umn.edu/distribution/horticulture/m1235.html#apple-maggot-anchor


Pest and disease management

  • Pests of Apple in Minnesota

    Codling Moth

http://www.extension.umn.edu/distribution/horticulture/m1235.html#apple-maggot-anchor


Pest and disease management

  • Pests of Apple in Minnesota

    Plum Curculio

http://www.extension.umn.edu/distribution/horticulture/m1235.html#apple-maggot-anchor


Pest and disease management

  • Pests of Apple in Minnesota

    Multicolored Asian Lady Beetle

http://www.extension.umn.edu/distribution/horticulture/m1235.html#apple-maggot-anchor


Pest and disease management

  • If you choose to spray:

    • Use something recommended for the pest or disease you are managing.

    • Read the label prior to use and follow all instructions.

    • Verify that the spray is recommended for edible fruits.

    • Some sprays are very toxic to bees and may cause fruit drop if used within 30 days of bloom.


Pest and disease management

  • Cultural practices for good tree health.

    • Consider a disease resistant variety.

    • Do not encourage vigorous new growth.

    • Warm, humid environments encourage bacteria. Pruning opens air flow and reduces humidity.

    • Pick up dropped fruit and all leaves in the Fall.

    • Prune during freezing weather (Feb-March)

    • Mulch becomes dirt, so replace mulch as it deteriorates.

    • Consider non-spray treatments, fruit bagging, red sphere or Ladd traps.


Choosing an apple tree variety


Choosing an apple tree variety

http://www.co.sheboygan.wi.us/county_depts/lwc/tree_sale/Trees/HONEYCRISP%20APPLE.jpg


Resources and recommended reading.

  • Apples For Minnesota and Their Culinary Uses. Includes the Fruit Hardiness Zone Map, identifies 22 apple varieties and discusses storing options. www.extension.umn.edu/distribution/horticulture/DG1111

  • Integrated Pest Management for Home Apple Growers. Introduces Integrated Pest Management (IPM) as a combination method for monitoring and managing pest and disease issues in apples. Discusses identification, biology and management options for key diseases and pests of apples in Minnesota. www.extension.umn.edu/distribution/horticulture/components/M1235

  • University of Minnesota Extension home gardening information, including how to plant trees and shrubs. www.extension.umn.edu/garden


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