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Paddy Grassy Stunt
Paddy Diseases
Grassy Stunt
Symptoms
- Diseased hills are severely stunted with excessive tillering and a very upright growth habit
- Diseased hills has a grassy and rosette appearance
- Leaves short, narrow and yellowish green with numerous small rusty spots or patches, which form blotches
- Retention of green coloration of the leaves after application of sufficient nitrogenous fertilizers
- Infected plants usually survive until maturity but produce no panicles. Symptom develops 10-20 days after infection.
Management
- Avoid close planting .
- Grow varieties released by IRRI, which contain genes for BPH resistance, like IR26, IR64, IR36, IR56 and IR72.
- Plouging and harrowing the field to destroy stubbles right after harvest in order to eradicate other hosts
|
Fungicide |
Dosage |
|---|---|
|
250g/acre |
|
|
500ml/acre |
- Diseased hills are severely stunted with excessive tillering and a very upright growth habit
- Diseased hills has a grassy and rosette appearance
- Leaves short, narrow and yellowish green with numerous small rusty spots or patches, which form blotches
- Retention of green coloration of the leaves after application of sufficient nitrogenous fertilizers
- Infected plants usually survive until maturity but produce no panicles. Symptom develops 10-20 days after infection.
- Avoid close planting .
- Grow varieties released by IRRI, which contain genes for BPH resistance, like IR26, IR64, IR36, IR56 and IR72.
- Plouging and harrowing the field to destroy stubbles right after harvest in order to eradicate other hosts
|
Fungicide |
Dosage |
|---|---|
|
250g/acre |
|
|
500ml/acre |
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