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Revised October 2008

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Contents

• How to use this guide
• Cultivar selection
• Application equipment
• How much pesticide?
• Pesticide safety
• Pesticide recommendations are subject to change
• Apples and pears
• Blueberries
• Cherries
• Gooseberries and currants
• Grapes
• Peaches, nectarines, plums, apricots
• Raspberries and blackberries
• Strawberries
• Common insecticide and fungicide brand names and days between last application and date of harvest
• Insecticides
• Fungicides
• Measuring and mixing

Related publications

• G1917, Personal Protective Equipment for Working With Pesticides
• G6020, Fire Blight
• G6021, Home Fruit Production: Apples
• G6026, Disease-Resistant Apple Cultivars
• G6085, Home Fruit Production: Grape Culture

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Fruit Spray Schedules for the Homeowner

Cherries

• Dormant spray
• Bloom spray
• Petal-fall spray
• Shuck-split spray
• First cover spray
• Second cover spray
• Additional cover sprays

Cherries
Dormant spray

Apply before buds break in spring.

Mites, scale

• Material
  dormant oil
• Comments
  Oil smothers overwintering eggs of mites and scale.

Cherries
Bloom spray

Apply when 25 percent of blossoms are open. Do not apply insecticides at this time — Save the bees.

Brown rot

• Material
  chlorothalonil
  or myclobutanil
  or thiophanate-methyl
• Comments
  Best control is achieved if an application is also applied at the prebloom or pink ("popcorn") stage.

Cherries
Petal-fall spray

Apply when most of blossom petals have fallen.

Plum curculio

• Material
  carbaryl
  or esfenvalerate
  or neem
• Comments
  Neem (azadirachtin) is a botanical insecticide.

Scale

• Material
  carbaryl
  or summer oil
• Comments
  To prevent damage to foliage or fruits, never use a summer oil with captan, carbaryl, or other sulfur-containing pesticides. Allow at least 14 days between applications of sulfur-containing compounds and the use of a summer oil. Apply oil at temperatures above 40 degrees Fahrenheit and below 90 degrees Fahrenheit.

Aphids

• Material
  carbaryl
  or malathion
  or insecticidal soap
  or pyrethrins and rotenone
  or neem
• Comments
  For insecticidal soap repeat application 3 to 4 days later.
  For pyrethrin and rotenone premix, repeat application every 5 to 10 days or as needed, do not apply within 1 day of harvest.
  Neem (azadirachtin) is a botanical insecticide.

Cherries
Shuck-split spray

Apply when shucks have split and are fallling from expanding fruit.

Plum curculio

• Material
  carbaryl
  or neem
• Comments
  See comments in "petal fall spray" section.

Cherries
First cover spray

Apply 10 days after shuck-fall.

Plum curculio, cherry fruit fly

• Material
  carbaryl
  or malathion
  or esfenvalerate
  or neem
  or pyrethrins and rotenone
  or spinosad
• Comments
  Maggot-infested fruit by the cherry fruit fly is often shrunken and misshapen, ripens earlier than surrounding fruit, and is unmarketable.
  Cherry fruit fly only: malathion, pyrethrins and rotenone, and spinosad.

Aphids

• Material
  carbaryl
  or malathion
  or neem
  or pyrethrins and rotenone
  or insecticidal soap
• Comments
  See comments in "petal fall spray" section.

Scale

• Material
  carbaryl
  or summer oil
• Comments
  See comments in "petal fall spray" section.

Brown rot

• Material
  captan
  or myclobutanil
  or thiophanate-methyl

Cherries
Second cover spray

Apply 10 days after first cover.

Aphids

• Material
  carbaryl
  or malathion
  or neem
  or pyrethrins and rotenone
  or insecticidal soap
• Comments
  See comments in "petal fall spray" section.

Plum curculio, cherry fruit fly

• Material
  carbaryl
  or malathion
  or esfenvalerate
  or neem
  or pyrethrins and rotenone
  or spinosad
• Comments
  See comments in "first cover spray" section.

Mites

• Material
  summer oil
  or insecticidal soap
  or pyrethrins and rotenone
• Comments
  To prevent damage to foliage or fruits, never use a summer oil with captan, carbaryl, or other sulfur-containing pesticides. Allow at least 14 days between applications of sulfur-containing compounds and the use of a summer oil. Apply oil at temperatures above 40 degrees Fahrenheit and below 90 degrees Fahrenheit.

Scale

• Material
  carbaryl
  or summer oil
• Comments
  See comments in "petal fall spray" section.

Brown rot

• Material
  captan
  or myclobutanil
  or thiophanate-methyl

Cherries
Additional cover sprays

Apply 10 days after second cover, then every 10 to 14 days.

Cherry fruit fly

• Material
  carbaryl
  or malathion
  or esfenvalerate
  or neem
  or pyrethrins and rotenone
  or spinosad
• Comments
  See comments in "first cover spray" section.
• Days between last application and harvest
  Table 2

Aphids

• Material
  carbaryl
  or malathion
  or neem
  or pyrethrins and rotenone
  or insecticidal soap
• Comments
  See comments in "petal fall spray" section.
• Days between last application and harvest
  Table 2

Mites

• Material
  summer oil
  or insecticidal soap
  or pyrethrins and rotenone
• Comments
  See comments in "second cover spray" section.
• Days between last application and harvest
  Table 2

Scale

• Material
  carbaryl
  or summer oil
• Comments
  See comments in "petal fall spray" section.
• Days between last application and harvest
  Table 2

Cherry leaf spot

• Material
  myclobutanil
  or thiophanate-methyl
• Comments
  Apply as soon as all the fruit have been harvested.

G6010, revised October 2008

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