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12
Jul

Management Rice leaf folder ( Patti lapetak)

Chemical control: Spraying of Endosulphon 35 EC or Quinolphos 25 EC @ 2 litres in 500 liter water / ha is found to be highly effective in controlling the insect populations.
12
Jul

Biology of Rice leaf folder ( Patti lapetak)

Egg: Flat oval yellowish eggs laid singly or in pairs on the undersurface of tender leaves. Larva: Larva is yellowish green in colour and translucent about 16-20 mm long. Pupa: It pupates inside the fold. Adult: Adult is small yellow coloured moth with dark wavy lines on both pairs of wings.
12
Jul

Nature of damage of Rice leaf folder ( Patti lapetak)

Larvae remain inside the fold and scrapping off green portion of the leaves leaving white patches
12
Jul

Symptom of attack of Rice leaf folder ( Patti lapetak)

 

Leaves folded longitudinally or transversely with silk and scrapped patches in such places.
12
Jul

Rice leaf folder ( Patti lapetak)

Latin name: Cnaphalocrocis medinalis, Pyralidae, Lepidoptera Common name: Patti lapetak Species: C. medinalis
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