First slide

Plant Breeding

Question

Hairy root disease of dicot plants is caused by

Easy

A

Agrobacterium tumefaciens
B

Agrobacterium rhizogenes
C

Bacillus thuringiensis
D

Meloidegyne incognita

Solution

Harry root disease of dicot plants is caused by Agrobacterium rhizogene . Agrobacterium tumefaciens causes stem gall of coriander. Bacillus thuringiensis is soil dwelling Gram positive bacterium, now being using as pesticide against cotton stem borer insect. Meloidegyne incognita causes root knot disease in tomato and brinjal.

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