Tomato Diseases
Spotted Wilt Disease
Symptoms
- Severe stunting.
- Chlorotic or necrotic ringson leaves.
- Thickening of veins and bronzing of young leaves.
- Growing tips die-back and wilt.
- Yellow areas with concentric circular markings in fruit.
- Discoloration of seed.
Identification
- Causal organism: Groundnut bud necrosis virus / Tomato spotted wilt virus
- Vector: Thrips –Frankliniella schultzii, Scirtothrips dorsali
- Survival and Mode of Spread:
> Primary spread: Infected plants> Secondary spread: Thrips, Frankliniella schultzii, Scirtothrips dorsalis
Management
- Cultural:
> Use of healthy seedlings for transplanting
> Rouging of infected plants upto 45 days of planting.
> Growing sorghum, maize or bajra as barrier crop.
|
Fungicide |
Dosage |
|---|---|
|
900 ml/ha |
|
|
300 ml/ha |
|
|
250 ml/ha |
