In callus culture, roots can be induced by the supply of

Options

A. Auxin and no cytokinin
B. Higher amounts of auxin and lower amounts of cytokinin
C. Higher amounts of cytokinin and lower amounts of auxin
D. Auxin and cytokinin in equal amounts

Answer

B

Explanation

Cytokinin conc. `gt` Auxin conc. `rarr` Shoot. With high auxin—low cytokinin roots develop, with low auxin—high cytokinin shoot buds develop, at intermediate levels, undifferentiated callus tissue develops (Skoog and Miller, 1957). The production of adventitious roots and shoots from cells of tissue culture is called organogenesis.