An excised leaf does not turn yellow if it is induced to root. This is attributed to synthesis in root of or Leaf agins is retarded by

Options

(a) Ethylene
(b) Cytokinins
(c) Gibberellins
(d) Auxins

Correct Answer:

Cytokinins

Explanation:

Cytokinin prevents decolouration of chlorophyll study under Richmond-lang effects. Cytokinin increase shelf life of vegetables and cut flowers and keep them fresh for longer time by preventing deterioration of protein chlorophyll.