Wednesday, April 30, 2025

Disease Management for Greenhouse Strawberry in Kentucky

 


Disease Management for Greenhouse Strawberry

 

Plug production, Greenhouse:

·         Drench or dip: Aliette/Rampart (33) for Pythium root rot

·         Drench: for fungal root and crown rots

o   Switch (9+12)

o   Captan (M)

 

 

Crop production, Greenhouse:

·         At Planting (Fall)

o   Dip/drench: Aliette/Rampart (33) or LalStop K-61* or
RootShield PLUS* for Pythium root rot

o   Dip: Switch anthracnose crown rot

·         Vegetative, apply on 14-day intervals, rotate among at least 3 of fungicides listed below, adhere to maximum applications for each FRAC group.

o   Captan (M) + Elevate (17)

o   Fontelis (7)

o   Luna Sensation (7+11)

o   Luna Tranquility (7+9)

o   PhD/OSO (19)*

o   Quadris Top (3+11)

·         Vegetative phase, as needed

o   Powdery mildew, as needed: Torino (U6)

o   Pythium root rot, as needed: Aliette/Rampart (33) or LalStop K-61* or RootShield PLUS*.

·         Fruiting (mid-late Spring), apply on 7-to-14-day intervals, adhere to maximum applications per season for each FRAC group.

o   Captan (M) + Elevate (17)

o   Fontelis (7)

o   PhD/OSO (19)*

o   Quadris Top (3+11)

 

FRAC groups in parentheses.

OMRI approved with asterisk*
Biologicals that are living organisms (LalStop K-61 and RootShield PLUS) can be deactivated by fungicides. Do not apply with Switch or other fungistat.

Limited options for Pythium root rot in greenhouses; maintain strict sanitation.

Refer to efficacy guide and other information in ID-232 Midwest Fruit Pest Management Guide.

UK Plant Pathology disease management resources can be found at https://plantpathology.ca.uky.edu/extension/publications#SMALLFRUIT 


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