Consider the following four measures (1-4) that could be taken to successfully grow chickpea in an area where bacterial blight disease is common: <br> (i) Spray with Bordeaux mixture <br> (ii) Control of the insect vector of the disease pathogen <br> (iii) Use of only disease-free seeds <br> (iv) Use of varieties resistant to the disease <br> Which two of the above measures can control the disease?

Question

( A ) (i) and (iv)
( B ) (ii) and (iii)
( C ) (iii) and (iv)
( D ) (i) and (ii)