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Disease

Disease

White tip nematode

Submitted by naipictuasdharwad on Mon, 16/03/2009 - 13:59
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White tip nematode: Aphelenchoides besseyi Christie

Udbaathaa

Submitted by naipictuasdharwad on Mon, 16/03/2009 - 13:55
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Sheath rot

Submitted by naipictuasdharwad on Mon, 16/03/2009 - 13:47
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Sheath rot: Sarocladium oryzae (Sawada) W. Gams and D. Hawksworth

Kannada Name: Yelekavachada Kole Roga

Sheath rot is a important fungal disease where semi-dwarf and high yielding cultivars are used.

Rice tungro

Submitted by naipictuasdharwad on Mon, 16/03/2009 - 13:33
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Rice Tungro

Kannada Name: Tungro Roga

Brown leaf spot

Submitted by naipictuasdharwad on Mon, 16/03/2009 - 13:25
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Brown Spot: Helminthosporium oryzae (Breda de Haan) (Deuteromycotina: Moniliales : Dematiaceae )

Kannada Name: Kandu Chukke Roga

Bacterial leaf blight of rice

Submitted by naipictuasdharwad on Mon, 16/03/2009 - 13:20
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Bacterial leaf blight: Xanthomonas oryzae pv. oryzae (Ishiyama)   Swing et. al.

(Pseudomonadales: Pseudomonadaceae)

Kannada Name: Dundanu Macchhe Roga

Period of occurrence: Tillering to heading stage

Extent of yield loss: 6-60% in extreme cases

Rice blast

Submitted by yogesh on Tue, 02/12/2008 - 14:41
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Causal   organism: Pyricularia   oryzae

Symptoms:  

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