Diseases

Apples
Insects
Aphid: Apple aphid, spirea aphid
Aphid: Rosy Apple Aphid
Aphid: Woolly apple aphid (WAA)
Apple Maggot Fly (AM)
Borers
Brown Marmorated Stink Bug (BMSB)
Codling Moth (CM)
European Apple Sawfly (EAS)
Green Pug Moth (GPM)
Leafhoppers (LH)
Leafminers (LM)
Mites
Obliquebanded Leafroller (OBLR)
Oriental Fruit Moth (OFM)
Plum Curculio (PC)
San Jose Scale (SJS)
Spongy Moth
Stink Bugs
Tarnished Plant Bug (TPB)
Winter Moth
Diseases
Apple Scab
Apple Scab Infection Periods
Fire Blight
Powdery Mildew
Cedar-Apple Rusts
Sooty Blotch and Flyspeck
White Rot and Black Rot
Bitter Rot
Chemical Fruit Thinning and Other Plant Growth Regulator Uses
Apple Fruit Thinning
Chemicals for Apple Thinning
Specific Apple Variety Thinning Recommendations
Branching Young Trees
Harvest Management and Pre-Harvest Fruit Drop
Minor PGR Uses on Apples
Return Bloom Enhancement
Vegetative Growth Control
Spray Table
1 - Dormant to Silver Tip
2 - Green Tip
3 - Half-Inch Green
4 - Tight Cluster
5 - Pink
6 - Bloom
7 - Petal Fall
8 - Fruit Set: 7 to 14 Days After Petal Fall
9 - Summer
Apple Insecticide Efficacy
Nutrient Management
Apple Bud Stages
Apple Fungicide Efficacy
Resistance Management - Apple Fungicides
Cider Apples
Markets
Specific Cultivars
Management
Training System
Pruning
Nutrient Management
Thinning
Pest Management
Harvest
Miticides for Tree Fruit

Actions

New England Tree Fruit Management Guide

Civil Rights and Non-Discrimination Information

This site is maintained by the Center for Agriculture, Food, and the Environment in the College of Natural Sciences.

Seal of The University of Massachusetts Amherst - 1863
©2025 University of Massachusetts Amherst · Site Policies · Accessibility