Apical dominance is stimulated by auxin,whereas it is inhibited by:

Give scientific reasons:
$(1)$ Cytokinin is an evergreen hormone.
$(2)$ Growth is regulated by multiple factors.

Differentiation of shoot is controlled by

Which of the following induces flowering in short day plants?

Which hormone is responsible for delaying leaf senescence by promoting chlorophyll retention?

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?