DISEASES OF IMPORTANT CROPS - RICE
Q.1
Blast disease is due to.
Ans.
Pyricularia Oryzae (airborne).
Q.2
Brown spot disease due to.
Ans.
Helminthosporium Oryzae (seed borne).
Q.3
Bacterial blight disease due to.
Ans.
Xanthomonas Campestris pv. oryzae.
Q.4
Kresek symptom found in.
Ans.
Bacterial blight.
Q.5
Foot rot disease due to.
Ans.
Gibberella fujikorai.
Q.6
Sheath blight disease due to.
Ans.
Rhizoctonia solani.
Q.7
Udabatta disease due to.
Ans.
Ephelis oryzae.
Q.8
Vector of rice tungro virus.
Ans.
Green leaf hopper (Nephotettik virescens).
Q.9
Sheath rot disease is due to
Ans.
Sarocladium oryzae.
Q.10
Stem rot disease is due to
Ans.
Sclerotium oryzae.
Q.11
Khaira disease of is due to
Ans.
Zinc deficiency.
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