Insect and Disease Control

Insect and Disease Control

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Irrigation Assocation
download fact sheet General Tree Spray
General Tree Spray

Protects against disease such as scab, rust, powdery mildew and insects aphids, leaf hoppers, and tent caterpillars. Trees are sprayed three times a year beginning at leaf emergence and then in 4 to 6 week intervals.

Irrigation Assocation
download fact sheet Cooley Spruce Gall
Cooley Spruce Gall

Protects the Colorado, Norway and White Spruce. Sprayed in early spring to make contact with trees buds.

Irrigation Assocation
download fact sheet Diplodia Tip Blight
Diplodia Tip Blight

Protects the Austrian, Scotch and Red Pines. This two application process is sprayed in early spring to make contact with trees buds then again two weeks later.

Irrigation Assocation
download fact sheet Birch Tree Injection
Birch Tree Injection

Protect your birch trees against Birch Leaf Miner and Bronze Birch Borer. This product is injected into the soil or trunk depending on the timing or the application.

Irrigation Assocation
Needle Cast

Protects Spruce and Douglas Fir. Two spray applications are applied first when new growth opens up and needles are visible then the second application is applied approximately 2 weeks later when needles are 1 to 2” long.

Irrigation Assocation
download fact sheet Dormant Oil Spray
Dormant Oil Spray

This horticultural oil is sprayed on foliage and bark of infested trees and shrubs to smother insect eggs and scale insects.

Irrigation Assocation
download fact sheet Scale Insect Spray
Scale Insect Spray

Sprayed on foliage and bark of trees and shrubs infested with scale crawlers in June or mid-July.

Irrigation Assocation
download fact sheet Pine Shoot Borer
Pine Shoot Borer

Protects the Austrian, Mugo and Scotch Pine. Trees are sprayed in late April.

Irrigation Assocation
download fact sheet Sawfly Larvae
Sawfly Larvae

Protects Scotch, Austrian, and Mugo Pines. Foliage is sprayed in late spring to early summer.

Irrigation Assocation
Gypsy Moth

Gypsy moth can feed on leaves of more than 300 species of trees and shrubs. Favorites include oaks, aspens,
birches, lindens, sweetgum, crabapples, hawthorns, mountain ash, and willows.

Irrigation Assocation
download fact sheet Pin Oak Iron Injections
Pin Oak Iron Injections

The most common micronutrient deficiencies seen in pin oak are marked by pale green or yellow leaves, with veins that remain green. As the deficiency continues, new growth is stunted, branches may die back, and the margins and interveinal areas of leaves may become brown. In severe cases, the entire tree may decline over several years and die. The trunk is injected in late April to early Spring with Iron.

Irrigation Assocation
download fact sheet Emerald Ash Borer Injections
Emerald Ash Borer Injections

Protects Green and White Ash trees from Emerald Ash Borer. Injections into the soil or trunk are made based on timing and site condition.

Irrigation Assocation
download fact sheet Elm Tree Spray
Elm Tree Spray

Protects against Elm Leaf Beetle. Sprayed on the leaf surface, bark and the ground under the trees drip line in mid-June.

ALL SERVICE AGREEMENTS ARE SELF RENEWING UNLESS SPECIFIED AT TIME OF PURCHASE. SIMPLY CONTACT THE OFFICE TO CANCEL SERVICES.