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Paddy Leaf Roller
Paddy Pests
Leaf Roller
Symptoms
- Larva folds the leaves longitudinally and larva remains inside
- Larva scrapes the green tissues of the leaves, which later becomes white and dry
- During severe infestation the whole field exhibits scorched appearance
Identification
- Egg: Flat, oval in shape and yellowish white in colour
- Larva: Greenish translucent
- Adult: Moth is yellowish brown with many dark wavy lines in centre and dark band on margin of wings.
Management
-
ETL: 10% leaf damage at vegetative phase and 5% of flag leaf damage at flowering
- Release Trichogramma chilonis @2 cc (40,000/ac) thrice at 37, 44 and 51 days
- Avoid excessive nitrogenous fertilizers
- Keep the bunds clean
- Spray NSKE 5 % or Azadirachtin 0.03% 400 ml/ac
- Spray any following insecticides
|
Insecticides |
Dosage |
|---|---|
|
1.8 ml/lit |
|
|
1.25 ml/lit |
|
|
100ml/acre |
- Larva folds the leaves longitudinally and larva remains inside
- Larva scrapes the green tissues of the leaves, which later becomes white and dry
- During severe infestation the whole field exhibits scorched appearance
- Egg: Flat, oval in shape and yellowish white in colour
- Larva: Greenish translucent
- Adult: Moth is yellowish brown with many dark wavy lines in centre and dark band on margin of wings.
-
ETL: 10% leaf damage at vegetative phase and 5% of flag leaf damage at flowering
- Release Trichogramma chilonis @2 cc (40,000/ac) thrice at 37, 44 and 51 days
- Avoid excessive nitrogenous fertilizers
- Keep the bunds clean
- Spray NSKE 5 % or Azadirachtin 0.03% 400 ml/ac
- Spray any following insecticides
|
Insecticides |
Dosage |
|---|---|
|
1.8 ml/lit |
|
|
1.25 ml/lit |
|
|
100ml/acre |
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