Question

Mowing grass lawn facilitates better maintenance because 

(a) wounding stimulates regeneration 

(b) removal of apical dominance and stimulation of intercalary meristem 

(c) removal of apical dominance 

(d) removal of apical dominance and promotion of lateral meristem

Answer 1

The correct option is (d) removal of apical dominance and promotion of lateral meristem.

Explanation:

Apical dominance of terminal bud is due to the secretion of auxin (IAA) by it. According to Thimann and Skoog (1933) removal of apical bud causes sprouting of lateral buds with stimulation of intercalary meristem and this is the reason that mowing grass lawn facilitates better maintenance.