Cherries

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

Cherries
Dormant sprays

Apply before buds break in spring.

Mites, scale

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

Cherries
Bloom sprays

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
  or propiconazole
• Comments
  Best control is achieved if an application is also applied at the prebloom or pink ("popcorn") stage.
  For propiconazole, start applications in early spring, and spray every 21 days, making no more than 4 applications.

Cherries
Petal-fall sprays

Apply when most of blossom petals have fallen.

Plum curculio

• Material
  carbaryl
  or esfenvalerate
  or neem
  or gamma-cyhalothrin
• 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 sprays

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

Plum curculio

• Material
  carbaryl
  or neem
  or gamma-cyhalothrin
• Comments
  See comments in "petal fall sprays" section.

Cherries
First cover sprays

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
  or gamma-cyhalothrin
• 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 sprays" section.

Scale

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

Brown rot

• Material
  captan
  or myclobutanil
  or thiophanate-methyl
  or propiconazole

Cherries
Second cover sprays

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 sprays" section.

Brown rot

• Material
  captan
  or myclobutanil
  or thiophanate-methyl
  or propiconazole

Plum curculio, cherry fruit fly

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

Cherries
Additional cover sprays

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

Spotted wing drosophila

• Material
  spinosad
• Comments
  Insecticide treatment should begin when fruit first begins to color and continue through harvest. For more on SWD, see Lincoln University Cooperative Extension publication FS18A2013, Monitoring for Spotted Wing Drosophila (PDF).
• Days between last application and harvest
  Table 2

Cherry fruit fly

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

Scale

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

Cherry leaf spot

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