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Cause:Symptoms:Control:

wheat-Aphids

 

Aphids

Sitobion avenae, Rhopalosiphum padi and various other species

http://krishisewa.com/disease/dwheat/aphids.jpgDistribution: All wheat growing areas, especially in NWPZ and Peninsular India.

Karnal bunt of wheat.

 

                                                                   

Loose smut of wheat.

 

 

     

Figure 1: Loose smut of wheat

 

 

Disease Name: Loose Smut 

Cause:    Ustilago tritici (Pers.) Rostr. (=Ustilago nuda tritici Schaf.)

Sheath blight of Rice.

 

Name of Disease: Sheath blight of Rice.

Cause:Rhizoctonia solani Kuhn (Thanatephorus cucumeris Frank donk) it overwinters in the form of sclerotia of the fungus.

Blast of Rice.

 

          

              Figure 1/2: Blast of Rice

 

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