A)Name any Helminthosporium disease, which is internally see

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A) Name any Helminthosporium disease, which is internally seed borne.

B) How will you differentiate the following:

(i) Alternaria and Helminthosporium

(ii) Cercospora and Pyricularia

(iii) Colletotrichum and Gloeosporium

(iv) Drechslera and Bipolaris

C) How will you control the following?

(i) Leaf blight of wheat

(ii) Blast of rice

(iii) Tikka disease of groundnut

(iv) Anthracnose of grapes

(v) Ripe fruit-rot and die-back of chilies

(vi) Sheath blight of rice

D) What are anthracnoses?

E) How will you differentiate the genera Helminthosporium, Drechslera and Bipolaris?

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