Apple Resources
Apples
Table of Contents
General Information
- Growing Apples in Wisconsin (pdf, 2006, UW-Extension)
- Growing Pears in Wisconsin (pdf, 2006, UW-Extension)
- Organic Apple Production Guide (pdf, 2009, NY State IPM)
- Practical Guide for Organic Apple Production (2012, U of Vermont)
- Planning and Establishing Commercial Apple Orchards in Wisconsin (pdf, UW-Madison)
- Important Steps to Orchard Replant Success (2017, Penn State)
- Precision Irrigation Management (pdf, 2013, NY State Hort Society)
Temperatures and Frost Damage
- Critical Temperatures for Frost Damage (pdf, 2011, Utah State)
- Critical Spring Temperatures for Apple Blossom Buds (MSU)
Fruit Growth and Ripening
- Determining the Optimal Apple Harvest Date (pdf, 2018, UW-Extension)
- Apple Fruit Growth (pdf, 2013, NY State Hort Society)
- When are Apples Ripe (pdf, 2001, UW-Extension)
- Predicted Peak Apple Harvest Dates for Sturgeon Bay (MSU)
Varieties and Rootstocks
- Apple Cultivars for Wisconsin (pdf, 2002, UW-Extension)
- Minnesota Apple Varieties (U of Minn)
- Minnesota Pear Varieties (U of Minn)
- Scab Resistant Apple Cultivars (pdf, 2008, NY State Hort Society)
- Some Antique Apples for Modern Orchards (pdf, 2008, NY State Hort Society)
- Apple and Pear Varieties Overview (Wash State)
Rootstocks and Grafting
- Rootstocks for Fruit Trees in Wisconsin (pdf, 2001, UW-Extension)
- Rootstocks for High Density Apples (YouTube, Penn State)
- Apple Rootstocks on the Horizon (2016, Penn State)
- Successful Apple Grafting (pdf, 2012, NY State Hort Society)
Pruning, Training and Thinning
- Training and Pruning Apple Trees (pdf, 2005, UW-Extension)
- Fruit Tree Pruning – Mature semi-dwarf apple orchards (2017, Penn State)
High Density Systems
- High Density Fruit Tree Pruning – A rules-based approach (2017, Penn State)
- High Density Pear Production (pdf, 2010, NY State Hort Society)
- The Tall Spindle Planting System (pdf, Cornell)
- The Vertical Axis Planting System (pdf, Cornell)
- The Slender Pyramid Planting System (pdf, Cornell)
- The Slender Axis Planting System (pdf, Cornell)
Fruit Thinning
- Apple thinning – predicting fruitset (Excel spreadsheet, MSU)
- Crop Load Management of High-Density Apple Orchards (pdf, 2008, NY State Hort Society)
- Plant Growth Regulator Use in Apples (pdf, 2011, UW-Extension)
Nutrient Management
- Tissue and Soil Testing Fruit Crops (pdf, UW-Madison)
- Apple Nutrition (2009, OMAFRA)
- Watercore of Apples (pdf, 1999, UW-Extension)
- Prediction of Bitter Pit in ‘Honeycrisp’ Apples and Best Management Implications (pdf, 2017, HortScience)
- When and How Much Nitrogen Should Be Applied in Apple Orchards? (pdf, 2010, NY State Hort Society)
- Nitrogen Budgets in Four Groundcover Management Systems (pdf, 2012, NY State Hort Society)
- Soil pH, Soil Type, and Replant Disease (pdf, 2012, NY State Hort Society)
- Nutritional Effects on Apple Fruit Quality (pdf, 2009, NY State Hort Society)
Disease Management
- Midwest Fruit Pest Management Guide (pdf, 2019-2020)
- Diagnosing Apple Problems During the Fall Harvest Season (pdf, 2008, UW-Extension)
- Diseases and Disorders of Apple (2009, OMAFRA)
- Diseases and Disorders of Pear (2009, OMAFRA)
- Fire Blight (pdf, 1997, UW-Extension)
- Sooty Blotch and Flyspeck (pdf, 1997, UW-Extension)
- Canker Management (2016, Penn State)
- Scab (pdf, 1997, UW-Extension)
- Cedar-Rust Complex (pdf, 1996, UW-Extension)
- Moldy Core (2017, Penn State)
Insect Management
- Midwest Fruit Pest Management Guide (pdf, 2019-2020)
- Codling Moth (pdf, 2018, UW-Extension)
- Diagnosing Apple Problems During the Fall Harvest Season (pdf, 2008, UW-Extension)
- Insect and Mite Pests of Apple (2009, OMAFRA)
- Insect and Mite Pests of Pear (2009, OMAFRA)
- Brown Marmorated Stink Bug (pdf, 2014, UW-Extension)
- A4143 Brown Marmorated Stink Bug (pdf, 2017, UW-Extension)
- Stop Brown Marmorated Stink Bug
- Apple Maggot (pdf, 2018, UW Extension)
- Plum Curculio (pdf, 2018, UW Extension)
- Eastern Tent Caterpillar (pdf, 1999, UW-Extension)
- Skeletonizing by Rose Chafer (pdf, 2003, UW-Extension)
- Pear Psylla Management Strategies: Commercial and organic (pdf, 2007, NY State Hort Society)
- Semiochemicals (pdf, 2017, UW-Extension)
- Black Stem Borer (pdf, 2020, UW-Extension)
- San Jose Scale (pdf, 2018, UW-Extension)
Pollination and other Beneficial Insects
- Native Bees in Apple Pollination (pdf, 2010, NY State Hort Society)
- Beneficials in Apples (2009, OMAFRA)
- Toxicity of Insecticides Used in Apple to Beneficials (2016, UC IPM)
Weed Management
- Midwest Fruit Pest Management Guide (pdf, 2019-2020)
- Weeds of Apples (2009, OMAFRA)
- Weed Control in Young Apple Orchards (pdf, 2013, NY State Hort Society)
- Orchard-Floor Management for Fruits Trees (pdf, 2005, UW-Extension)
Herbicide Toxicity
- Herbicide Injury in Apples (2009, OMAFRA)
- Effects of Glyphosate on Apple Tree Health (pdf, 2013, NY State Hort Society)
Cider Resources
- Cider Information – Washington State University
- Cider Apple Varieties – Albemarle Ciderworks
- Cidermaker’s Toolkit – Northwest Cider Association
- United States Association of Cider Makers
- Michigan Cider Association
- The Home Orchard Society