University of Missouri Extension

G6010, Revised August 2014

Fruit Spray Schedules for the Homeowner

Table 1
Pesticides used to control common diseases and insect pests on home fruit plants.

Apples

Apples and pears

Apples and pears
Dormant sprays

DormantApply before buds swell.

Mites, scale

Fire blight

Apples and pears
Green tip to half-inch green sprays

DormantApply when green leaves are 0.25 to 0.5 inch long.

Mites, scale

Leafminers

Aphids

Pear pyslla

Primary scab

Apples and pears
Prebloom or pink sprays

DormantApply when blossom buds are clearly evident but not open.

Plant bugs, stink bugs

Aphids

Pear psylla

Primary scab

Rust

Powdery mildew

Apples and pears
Bloom sprays

DormantApply when 25 percent of blossoms are open.
Do not use insecticides during this period — Save the bees.

Primary scab

Fire blight

Rust

Powdery mildew

Apples and pears
Petal-fall sprays

DormantApply when most of blossom petals have fallen.

Plum curculio, leafrollers

Plant bugs, stink bugs

Aphids

Leafminers

Pear psylla

Scab

Rust

Powdery mildew

Apples and pears
Early-season cover sprays

Apply 10 days after petal-fall and at 10-day intervals through May.

Codling moth, leafrollers

Plum curculio

Aphids

Powdery mildew

Leafminers

Mites

Scale

Pear psylla

Scab

Rust

Fruit rots

Apples and pears
Summer cover sprays

Apply at 14-day intervals, June through mid-August.

Codling moth, leafrollers

Mites

Scale

Leafhoppers

Leafminers

Aphids

Scab, fruit rots, sooty blotch and fly speck

G6010 Fruit Spray Schedules for the Homeowner | University of Missouri Extension

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