Whiteflies

Contributor: Association de Coordination Technique Agricole
Date Compiled: 2024
Creative Commons "Attribution-Share Alike"
Trialeurodes vaporariorum (whitefly, greenhouse); Infestation on leaf. Image copyright: ©Whitney Cranshaw, Colorado State University/via Bugwood.org - CC BY 3.0 US

Prevention

Solution Production stage (if possible with reference to BBCH scale)
Use suitable nets to screen all the openings of the greenhouses in order to prevent the entry of adult whiteflies.
From Sowing/Planting to Harvest

Monitoring

Solution
Expose glue-smeared yellow panels for Monitoring practices whitefly adults.
Threshold: 10 juvenile stage alive/leaf. Release 4-6 times about 4-6 puparium/m2 every 15 days during spring and every week during summer. A parisitization rate of 60-70% is enough for a good control
Chemical treatments: in areas with a high risk of virosis, treat the beginning of the infestations; in the other areas, treat in the presence of 10 nymphs per leaf.
Use photoselective plastics with an insect repellent effect.

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) Chemical Group IRAC Code
Savaguard natural populations of Dyciphus errans.
Beauveria bassiana
Microbiological insecticide
Amblyseius swirskii
Predator
Several species of macro-org
Predators
Potassium salts of fatty acids
Biological insecticide
Paecilomyces fumosoroseus strain FE 9902
Microbiological insecticide
Isaria fumosorosea strain Apopka 97
Sweet orange essential oil
Biological insecticide
Treat at the first appearance of parasites. Suspend treatments 3 days before harvest
6
(PREV-AM® PLUS) Dosage: 4 l/ha
Natural compound
Azadirachtin
Biological insecticide
Treat preventively or at the first appearance of parasites
5
(OIKOS®) Dosage: 1-1,5 L/ha
Azadirachtin
UN
Vegetal oil
Biological insecticide
Oil-seed rape
Pure pyrethrins
Biological insecticide
Treat preventively or at the first appearance of parasites
2
(Pyganic® 1.4) Dosage: max 2,5 L/ha
Pyrethroids and pyrethrins
3A

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 IRAC Code
Cyantraniliprole
Synthetic insecticide
Treat at the first appearance of parasites. Suspend treatments 14 days before harvest
2 (Between Clorantraniliprole and Cyantraniliprole)
(MINECTO ALPHA TM) Dosage: 1l/ha
Diamides
28
Pyriproxyfen
Synthetic insecticide
Treat at the first appearance of parasites. Suspend treatments 3 days before harvest
2
(ENIFUL) Dosage: 0,5-1,125 l/ha
Oxypyridines
7C
Flonicamid
Synthetic insecticide
Treat at the first appearance of parasites. Suspend treatments 3 days before harvest
2
(TEPPEKI®) Dosage: 0,10-0,12 Kg/ha. Only for hose or drip irrigation
Flonicamid
29
Spirotetramat
Synthetic insecticide
Treat at the first appearance of parasites. Suspend treatments 3 days before harvest
4
(MOVENTO®48 SC) Dosage: 1,25-2,5 l/ha
Derivatives of tetronic and tetramic acids
23
Spiromesifen
Synthetic insecticide
Treat at the first appearance of parasites. Suspend treatments 3 days before harvest
4
(OBERON®) Dosage: 0,6-0,9 l/ha
Derivatives of tetronic and tetramic acids
23
Deltamethrin
Synthetic insecticide
Pyrethroids
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.