Blog
Tomato Septoria Leaf Spot
Tomato Diseases
Septoria Leaf Spot
Symptoms
- Small, round to irregular spots with grey centre and dark margin on leaves.
- Spots coalesce and leaves are blighted.
- Complete defoliation.
- Stems and flowers are affected.
Identification
- Causal Organism: Septoria lycopersici Speg.
- Mycelium: Hyaline and septate
- Fruiting body: Pycnidium – globose, without distinct ostiole
- Pathogen: Pycnidiospore – filiform, septate, hyaline
- Survival and Mode of Spread
> Survival: Infected plant debris> Primary spread: Mycelium or conidia> Secondary spread: Conidia through rain splash or wind
- Favourable conditions:Â High humidity.
Management
- Cultural: Removal and destruction of affected plant parts.
- Biological: Seed treatment – Trichoderma asperellum @ 4g/kg seeds.
|
Fungicide |
Dosage |
|---|---|
|
 200-250 ml/ha |
- Small, round to irregular spots with grey centre and dark margin on leaves.
- Spots coalesce and leaves are blighted.
- Complete defoliation.
- Stems and flowers are affected.
- Causal Organism: Septoria lycopersici Speg.
- Mycelium: Hyaline and septate
- Fruiting body: Pycnidium – globose, without distinct ostiole
- Pathogen: Pycnidiospore – filiform, septate, hyaline
- Survival and Mode of Spread
> Survival: Infected plant debris> Primary spread: Mycelium or conidia> Secondary spread: Conidia through rain splash or wind
- Favourable conditions:Â High humidity.
- Cultural: Removal and destruction of affected plant parts.
- Biological: Seed treatment – Trichoderma asperellum @ 4g/kg seeds.
|
Fungicide |
Dosage |
|---|---|
|
 200-250 ml/ha |
Add to wishlist
Basf Merivon
Fungicides
₹624 – ₹3,399
Select options
This product has multiple variants. The options may be chosen on the product page
Quick view
