Revised
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.