Which ones produce androgenic haploids in anther cultures?

Young pollen grains produce androgenic haploids in anther cultures.
The term androgenesis refers to plant regeneration directly from microspore culture under in vitro conditions. The underlying principle of androgenesis is to stop the development of pollen cells, which normally become sexual cells, and to force their development directly into a complete plant.
The androgenic method of haploid production is from the male gametophyte of an angiosperm plant i.e., microspore (immature pollen).
Young pollen grains produced androgenic haploids in anther cultures while the anther wall, a tapetal layer of the anther wall and connective tissue are the parts of the anther.