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29
Jul

Paddy Stemborer ( Thandu thulaippan)

 

1. Common name - Paddy stemborer .

2. Scientific name - Scirpophaga incertulas.

3. Vernacular name - Thandu thulaippan (தண்டுத்துளைப்பான்).

 Symptom of damage of Paddy stemborer:

• Presence of brown coloured egg mass near leaf tip.

• Caterpillar bore into central shoot of padd

29
Jul

Rice case worm ( Nel kootu puzhu )

 

1. Common name - Rice case worm.

2. Scientific name - Nymphula depunctalis.

  3. Vernacular name - Nel kootu puzhu.

  Symptom of damage of Rice case worm:

• Caterpillars feed on green tissues of the leaves and leave become whitish papery.

 • Tubular cases around the tillers by cutting the apic

29
Jul

Green leafhopper ( Pachai thathu poochi)

 

1. Common name - Green leafhopper .

2. Scientific name - Nephotettix virescens .

3. Vernacular name - Pachai thathu poochi ( பச்சை தத்துப்பூச்சி ).

Symptom of damage of Green leafhopper:

1.Yellowing of leaves from tip to downwards.

2. Vector for the diseases viz., Rice tung

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