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30
Jul

Rice root-knot nematode

 

Scientific name : Meloidogyne graminicola.

 Local name :

Damage of Rice root-knot nematode:

1. Nematode damages seedlings in nursery and in upland rice.

2. Larvae enter the roots and cause gall formation which disturbs the uptake of water and nutrients.

3. Infested plants show stunting

30
Jul

Ufra nematode

 

Scientific name : Ditylenchus angustus.

Local name :

Damage of Ufra nematode:

1. Chlorotic streaks are noticed on the upper leaves, 2-3 month after planting.

2. Yellowing and mottling of the leaves with contorted margin, blackening of internodes, crinkled ear head with sterile spikelet and sometimes 3-4 ear h

30
Jul

White–tip nematode

 

Scientific name : Aphelenchoides besseyi

Local name :

Damage of White–tip nematode:

1. The nematode feeds on the growing apical bud inside the leaf whorl, so the tip of the emerging leaf becomes whitish or whip like called white tip during nursery or early tillering stage.

2. At late stage

30
Jul

White–tip nematode

 

Scientific name : Aphelenchoides besseyi

Local name :

Damage of White–tip nematode:

1. The nematode feeds on the growing apical bud inside the leaf whorl, so the tip of the emerging leaf becomes whitish or whip like called white tip during nursery or early tillering stage.

2. At late stage

30
Jul

Rice Nematodes

There are three major nematodes in rice crop

1. White–tip nematode.

2. Ufra nematode.

3. Rice root-knot nematode.

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