Correct option is B
✅ (b) top one-third portion of the cane: • The top third portion of the sugarcane stalk is typically used as planting material. • It has healthy and viable buds, higher moisture, and faster germination. • Commonly called setts or seed canes.
❌ (a) / (c): • Middle and bottom portions are usually less viable for planting.
❌ (d) lateral shoots: • Not used in commercial planting.