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28
Jul

Control Measures for Army worm (Lashkari Ali)

Preventive measures Army worm (Lashkari Ali):

1) Keeping the bunds clean i.e. free off weeds in the beginning of the season.

2) Deep ploughing after harvesting to expose the hibernating stages of the pest to the action of sun and birds.

3) Digging a trench and flooding it with water for preventing the migration of larvae from one field to another.

Cultural Control Measures of Army worm :

1) Collection and destruction of e

28
Jul

Nature of damageof Army worm (Lashkari Ali)

 

1. Young larvae skeletonised the leaves. Later stages become gregarious and voracious eating the whole leaves at night.

2. Final instar larvae which are dark or gray in color have a characteristic habit of climbing the paddy plant and cutting the earheads.

3. Field gives an appearance as if it is grazed by cattle

28
Jul

Army worm (Lashkari Ali)

 

1. Pest Name - Army worm.

2. Scientific Name - Mythimna separate.

3. Local Name - Lashkari Ali.

4. Pests characteristics - Sporadic in occurrence preferably after heavy rains followed by a dry spell with cloudy weather.

5. Infestation intensities - Low to moderate.

6. Crop Growth stages - Seedling, tillering and after maturity.

28
Jul

Control Measures for Rice ear head bug( Dhekanya)

Chemical Control Measures for Rice Ear head bug:

Dusting the crop with methyl parathion 2 per cent dust or mathion 5 per cent dust @ 20 kg/ha. Based on 1 bug / hill ETL.

Preventive measures for Rice ear head bug( Dhekanya):

Keeping the bunds surrounding the field clean i.e. free off weeds during off-season and in the beginning of the season

28
Jul

Nature of damage of Rice ear head bug( Dhekanya)

1. Feeding of nymphs and adults during milky stage results in empty grains and at soft dough stage results in lower grain quality and broken grains. 2. Affected grains become chaffy and show a brown spot at the site of feeding.
28
Jul

Rice ear head bug( Dhekanya)

 

1. Pest Name - Rice ear head bug.

2. Scientific Name - Leptocorisa oratorius.

3. Local Name - Dhekanya.

4. Pests characteristics - Sporadic.

5. Infestation intensities - Severe.

6. Crop Growth stages - Milky grain stage.

28
Jul

Control Measures for Rice case- worm (Surlitil Ali )

Manual Control Measures for Rice case- worm ( Surlitil Ali ):

Flooding the field followed by dragging a roap across the field and draining out the water from the field.

Chemical Control Measures for Rice case- worm ( Surlitil Ali ):

Spraying the crop with 0.05 per cent fenitrothion or 0.05 per cent malathion or 0.15 per cent carbaryl.

28
Jul

Nature of damage of Rice case- worm(Surlitil Ali )

 

1. Larvae cut small pieces of the leaf tips, form tubular cases, remain inside the case, which is attached to the plant or seen floating on water surface.

2. Larvae feed on foliage by scraping chlorophyll leaving horizontal rows of green material, giving a ladder like appearance.

3. The larva

28
Jul

Rice case- worm (Surlitil Ali )

 

1. Pest Name - Rice case- worm.

2. Scientific Name - Nymphula depunctalis.

3. Local Name - Surlitil Ali.

4. Pests characteristics - Attacks 1- 1.5 month old crop.

5. Infestation intensities - Low to moderate.

6. Crop Growth stage - Initial tillering stage.

28
Jul

Control Measures for Rice leaf folder ( Pane Gundalnari Ali )

Manual Control Measures for Rice leaf folder :

Flooding the field followed by dragging a roap across the field and draining out the water from the field.

Chemical control measures for rice leaf folder:

Spraying the crop with 0.05 per cent fenitrothion or 0.05 per cent malathion or 0.15 per cent carbaryl taking into consideration 1- 2 leaf rolls / hill ETL.

Biological Control Measures for Rice leaf folder

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