Androgenesis is the in vitro development of haploid plants originating from totipotent pollen grains through a series of cell division and differentiation.

There are two methods of androgenesis as under:

i) Direct Androgenesis:

In this type, microscope behaves like a zygote and undergoes change to form embryoids which ultimately gives rise to plantlet.

ii) Indirect Androgenesis:

In contrast to the direct androgenesis, the microspores, instead of undergoing embryogenesis, divide repeatedly to form callus tissues which differentiate into haploid plantlets.

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