• Plant a disease resistant tree such as 'Liberty.' These apples
do not get the apple scab disease.
• Plant
a dwarf or semi-dwarf tree
• Plant tree
in early fall or spring in a sunny location with plenty of
air circulation
• Apply insecticide Imidan (phosmet) when all the flower petals
have fallen (generally late May) and again 10-14 days later to control
the plum curculio, European apple
sawfly, leafrollers, and codling moth.
• Hang
sticky red spheres in trees at the end of June Use 1-6 traps per
tree, depending on tree size. Ideally use 1 trap per 150 fruit.
Set traps at approximately head-height in the outer portion
of tree
canopy where there are plenty of developing fruits nearby. Remove
all fruit and foliage within 1-2 feet of the trap. Traps can
be
purchased at garden centers.
• Pick up and
remove dropped apples, and rake and destroy apple leaves in
the fall. If you already have disease-susceptible trees planted,
spray a fungicide such as Captan every 7 days from late April
to
early June.
•
For an overview of home apple tree management and sources of disease
resistant fruit trees, see "Home Tree and Small Fruit Pest Management
Guide," or visit the URI Apple IPM website at http://www.uri.edu/research/IPM
Pesticides
are poisonous! Read and follow all safety precautions on labels.
Handle carefully and store in original containers out of reach
of children, pets or livestock. Dispose of empty containers
immediately, in a safe manner and place. Pesticides should never
be stored with foods or in areas where people eat.
When trade names are used for identification, no product endorsement
is implied, nor is discrimination intended against similar materials.
Be sure that the pesticide you intend to use is registered for
the state of use.
The user of this information assumes all risk for personal injury
or property damage.
For more
information, call the URI CE Gardening and Food Safety Hotline
at 1-800-448-1011 or (401)874-2929 from outside Rhode Island;
Monday-Thursday between 9 am and 2 pm.
University
of Rhode Island Cooperative Extension provides equal program
opportunities.