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30
Jul

Rice field crab

 

Scientific name : Paratelphusa hydrodromus

Local name :

Damage of Rice field crab:

1. The seedlings are cut by crabs at ground level into small bits which are carried to the holes for feeding.

2. In older plants outer sheaths are cut open and the inner portions are consumed.

3. In an attacked field b

30
Jul

Paddy mite

Scientific name : Oligonychus oryzae

Local name :

Damage of Paddy mite:

Infested leaves become white between the veins and eventually get shredded with the veins remaining green.

Control of Paddy mite:

Foliar spray of dicofol 18EC@ 2.5lit./ha or profenophos 50EC @ 1 lit./ha or monocrotophos 36EC @ 1.3 lit./ha just after initial symptom check the damage due to mite.

30
Jul

Tarsonemid mite

 

Scientific name : Steneotarsonemus spinki

Local name :

Damage of Tarsonemid mite:

1. This mite is found between stem and leaf sheath in colonies.

2. It causes sterility and deterioration of rice grain quality along with pathogenic fungi.

3. It damages parenchmatous tissues of rice plant and reduce the amount of nutrien

30
Jul

Rice mealy bug

 

Scientific name : Brevennia rehi

Local name :

Damage of Rice mealy bug:

Both nymph and adult of mealy bug suck the sap by remaining concealed within leaf sheath of the plant which causes stunted growth and yellowish curled leaves in sunken oval or round patches of a normal crop and the plants may either die or pu

30
Jul

Rice Thrips

 

Scientific name : Baliothrips biformis

Local name :

Damage of Rice thrips:

1. This is essentially a pest of nurseries causing severe damage.

2. The larvae and adults lacerate the tender leaves and suck the plant sap causing rolling and drying of the leaf tips.

3. In severe infestation, the seedlings are killed.

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