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Karnal bunt- Fungal disease of wheat

Submitted by JP Jaiswal on Thu, 30/04/2009 - 17:32
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Karnal Bunt

Causal Organism: Neovossia indica (Tilletia indica)

Flag smut- Fungal disease of wheat

Submitted by JP Jaiswal on Thu, 30/04/2009 - 17:19
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Flag Smut

Causal Organism: Urocystis tritici

Loose smut- Fungal disease of wheat

Submitted by JP Jaiswal on Thu, 30/04/2009 - 17:12
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 Loose Smut

Causal Organism or agent : Ustilago segatum tritici

  

Chief symptoms: The ears, except their rachis are converted into black powder which is a mass of olive brown spores of the fungus

Helminthosporium Leaf Blight (Spot Blotch)

Submitted by JP Jaiswal on Thu, 30/04/2009 - 17:04
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Helminthosporium Leaf Blight (Spot Blotch)

Causal Organism: Bipolaris sorokiniana

Alternaria leaf blight of wheat

Submitted by JP Jaiswal on Thu, 30/04/2009 - 16:59
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Alternaria leaf blight of wheat

Causal Organism : Alternaria triticina

Powdery mildew- Fungal disease of wheat

Submitted by JP Jaiswal on Thu, 30/04/2009 - 16:11
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Powdery Mildew

 Causal Organism or agent: Erysiphe graminis tritici  

Brown rust- Fungal disease of wheat

Submitted by JP Jaiswal on Thu, 30/04/2009 - 15:59
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Brown rust (Leaf rust)

Causal organism: Puccinia recondite f sp tritici

  

 

Chief symptoms: Orange to brown, round, scattered

Control measures:

Yellow rust- Fungal disease of wheat

Submitted by JP Jaiswal on Thu, 30/04/2009 - 15:47
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Yellow rust (Stripe rust)

Casual organism: Puccinia striiformis f sp . tritici

Black/stem rust- Fungal disease of wheat

Submitted by JP Jaiswal on Thu, 30/04/2009 - 15:39
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Black rust (Stem rust)

 

Causal organism: Puccinia graminis f sp.tritici 

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Termite-Insect/Pest of wheat

Submitted by JP Jaiswal on Thu, 26/03/2009 - 15:56
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Termites damage the crop soon after sowing and sometimes near maturity.  The damaged plants dry up completely and are easily pulled out.  The plants damaged at later stages give rise to white ears.  Infestation is heavy under unirrigated conditions and in the fields where un-decomposed farm yard manure is applied before sowing.