How do you control rice blast disease?
Preventive methods
- Avoid dry nurseries.
- Avoid late planting.
- Burning of straw and stubbles after harvest.
- Avoid grasses and other weeds on bunds and inside.
- Dry seed treatment with Pseudomonas fluorescens talc formulation @10g/kg of seed.
- Stagnate water to a depth of 2.5cm over an area of 25m2 in the nursery.
- Spray P.
How do I control brown spots?
Use fungicides (e.g., iprodione, propiconazole, azoxystrobin, trifloxystrobin, and carbendazim) as seed treatments. Treat seeds with hot water (53−54°C) for 10−12 minutes before planting, to control primary infection at the seedling stage.
How do I prevent brown spots in rice?
Damage from brown spot can be reduced by maintaining good rice growing conditions through proper fertilization, crop rotation, land leveling, proper soil preparation and water management. Seed- protectant fungicides reduce the severity of seedling blight caused by this seedborne fungus.
Which fungicide is effective for control of blast of rice?
Among the fungicides tested in this study, the combined fungicides of fluopyram + tebuconazole was observed to be the most effective, reducing dirty panicle disease by up to 60% and, when applied twice, increasing rice yield over the untreated control.
Does neem oil treat brown spot?
Neem Oil Concentrate (16 oz) – Mix this concentrate to produce up to 16 gallons of neem spray, which allows you to treat vegetables, fruit, shrubs, trees and other plants. Additionally, use it to target lawn diseases including snow mold, dollar spot and brown patch.
What is the leaf spot disease of ginger?
Leaf spot. The disease starts as water soaked spot and later turns as a white spot surrounded by dark brown margins and yellow halo. The lesions enlarge and adjacent lesions coalesce to form necrotic areas.
When do you apply fungicide in rice?
The best way to control kernel smut is with a propiconazole fungicide application when the rice has a 2- to 4-inch panicle around the mid-boot stage of development.
Which is best fungicide for rice?
The rice fungicides can be broadly classified in two categories….3.1. Seed treatment fungicides.
| % Active Ingredient(s) | Rate | Additional Information |
|---|---|---|
| Carbendazim 50 WP | 4 g/kg of seeds | To control blast, brown spot and udbatta disease of rice |
| Tricyclazole 75 WP | 3 g/kg of seeds | To control rice blast disease |