Bottom rot

Contributor: AgriNewTech
Date Compiled: 2024
Creative Commons "Attribution-Share Alike"
Image copyright: Gerald Holmes, Strawberry Center, Cal Poly San Luis Obispo, Bugwood.org

Prevention

Solution Production stage (if possible with reference to BBCH scale)
Wide crop rotations
Pre-season
Use healthy certified propagation materials
Sowing/Planting
Reduce the use of nitrogen fertiliser
From Sowing/Planting to Harvest
Increase soil drainage
From Sowing/Planting to Harvest
Irrigate only when it is necessary
From Sowing/Planting to Harvest
Use mulching and higher soil beds
From Sowing/Planting to Harvest
Carry out soil disinfestation (where it is possible)
Pre-season

Control

Solution Product Category Production stage (if possible with reference to BBCH scale) Max nb. of a. i. application/year Application Details and Notes (commercial product example) Risk resistance (FRAC Code)
Bacillus subtilis strain QST 713
Microbiological fungicide
from BBCH 13 to BBCH 89
4
(SERENADE® ASO) Dosage: 5 L/ha in open field
Not know (BM02)
Trichoderma asperellum & Trichoderma gamsii
Microbiological fungicide
Apply by wetting the substrate in pre-sowing or pre-transplanting and repeat at planting or transplanting.
3 per crop cycle
(REMEDIER) Dosage: 2,5 kg/ha
Resistance not known (BM02)
Pythium oligandrum Strain M1
Microbiological fungicide
From BBCH 10 to BBCH 51
4 (per crop cycle)
(POLYVERSUM®) Dosage: 100-300g/ha
Pseudomonas sp. DSMZ strain
Microbiological fungicide
From planting
3 (per crop cycle)
(SYDERA® PLUS) Dosage: 100-125g/ha

Regulations surrounding chemical products can change rapidly – always verify chemicals recommended here with the most recent legislation and lists of products registered for your country
Solution Product Category Production stage (if possible with reference to BBCH scale) Max nb. of a. i. application/year Application Details and Notes (commercial product example) Chemical Group Risk resistance (FRAC Code)
Azoxystrobin
Synthetic fungicide
Start of treatments since there are favorable conditions for the development of infection. Suspend treatments 7 days before harvest
3 (Between Azoxystrobin and Tryfloxystrobin)
(ORTIVA® TOP SC) Dosage: 1 L/ha
QoI-fungicides (Quinone outside inhibitors)
High risk (11)
The information made available here has been obtained from or is based upon sources believed by CABI to be reliable but is not guaranteed as to accuracy or completeness. Anyone acting or relying on such information does so entirely at their own risk. The efficacy of the IPM methods included above will depend on local conditions and might not always be suitable everywhere within the specified country.