Solution: Saccharum barberi is sugarcane that is grown in north India, but it has a low sugar content and yield. Saccharum officinarum, on the other hand, was grown in south India and has thick stems and high sugar content. These two species were hybridized to produce a plant with a thick stem, long internodes, high sugar content, disease resistance, and high yield. Therefore, the farmers of India look for this type of sugarcane variety.
So, the correct option is (a).