Which plant hormone is used to induce organogenesis during tissue culture in plants?

The cut flowers and vegetables can be kept fresh for a long period by this plant hormone:

Cytokinin helps in delaying leaf senescence mainly by

Farmers in a particular region were concerned that premature yellowing of leaves of a pulse crop might cause a decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield?

Which hormone is primarily associated with cell division?

Cytokinins are said to be anti-ageing hormones because they delay senescence by: