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11
Jul

Biology of Rice stem borer ( Tana bedhak )

1. Egg 2. Larva 3. Pupa 4. Adult
11
Jul

Nature of damage of Rice stem borer ( Tana bedhak )

1. The insect may start attacking the plants in the nursery especially long duration varieties. 2. The incidence is mild in the season June to September, but later on gets intensified from October to January and February. 3. The caterpillar enters the stem and feeds on the growing shoot. As a result the central shoot dries up and produces the characteris
11
Jul

Symptoms of attack of Rice stem borer ( Tana bedhak )

 

A number of stem borer moths seen dead and floating on the water in the fields. In the vegetative stage, dead hearts seen in the affected tillers and in the reproductive stage, whiteear may be seen.
11
Jul

Rice stem borer ( Tana bedhak )

Latin name: Scirpophaga incertulas, Pyraustidae, Lepidoptera Common name: Tana bedhak Species: S. incertulas
11
Jul

INSECTS IN RICE CROP

Rice crop of different regions within Jharkhand state is attacked by five major insects. They are- 1. Rice stem borer 2. Rice gall midge 3. Rice swarming caterpillar 4. Rice leaf folder 5. Rice gandhi bug / earhead bug
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