Consider the following four measures (a - d) that could be taken to successfully
grow chick-pea in an area where bacterial blight disease is common
(a) Spray with Bordeaux mixture
(b) Control of the insect vector of the disease pathogen
© Use of only disease-free seeds
(d) Use of varieties resistant to the disease
Which two of the above measures can control the disease?
(1) (a) and (d)
(2) (b) and ©
(3) (a) and (b)
(4) © and (d)
Sol. Answer (4)
Bordeaux is used to control fungal diseases and no insect vector is reported for bacterial
blight disease. Thus use of disease free seeds and disease resistant varieties can control
disease.