Powdery mildew is a significant fungal disease that affects wheat crops, especially under conditions of high humidity and moderate temperatures. Caused by the fungus Blumeria graminis f. sp. tritici, it can severely affect wheat yield and quality.
- Type of Infestation: Fungal Disease
- Common Name: Powdery Mildew
- Causal Organism: Blumeria graminis f. sp. tritici
- Affected Parts Of the plant: Leaves, Fruits, Stem, Flowers
Environmental favorable factors for pests/Diseases:
- Temperature: Powdery mildew thrives in cool temperatures, typically between 15-22°C (59-72°F). Temperatures above 25°C (77°F) tend to inhibit the growth and spread of the fungus.
- Humidity: High humidity (85-100%) provides a moist environment that favors fungal growth and spore dispersal. Rain is not necessary for infection, but damp canopies due to dew or irrigation can create ideal conditions.
Symptoms of Pest/Disease:
White powdery spots on leaves, stems, flowers, and fruits
- Stunted growth
- Yellowing leaves
- Premature leaf drop
- Reduced fruit yield
Measures to control Pests/Diseases:
|
Products |
Technical Names |
Dosages |
| Thiophanate Methyl 70% WP |
250-600gm/acre |
|
| Difenconazole 25 % EC |
120-150ml/acre |
|
| Azoxystrobin 18.2 % + difenoconazole 11.4 % SC |
150-200ml/Acre |
|
| Azoxystrobin 23 % sc |
200ml/acre |
|
| Azoxystrobin 11.00 % Tebuconazole 18.30 % SC |
300ml/Acre |
|
| Hexa 5 Plus | Hexaconazole 5 SC |
200-250 ml per acre |
Frequently Asked Questions
Q. What is Powdery Mildew?
A. It is a fungal disease that affects wheat crops, especially in high humidity and cool temperatures.
Q. What are the symptoms of Powdery Mildew?
A. White powdery spots on leaves, stems, flowers, and fruits, yellowing of leaves, and premature leaf drop
Q. Which products are effective for controlling Powdery Mildew?
A. Products like KTM, Concor, Azozole, and Hexa 5 Plus are effective.
Q. How often should treatment be applied for Powdery Mildew?
A. It depends on the weather and severity of the disease, but usually, 2-3 applications are needed.
Q. What is the ideal temperature for Powdery Mildew?
A. The disease thrives in temperatures between 15-22°C (59-72°F).
For more information about pests and diseases, read our other blogs.
