In, 1898 the Russian cytologist S. G. Navashin discovered double fertilization in angiosperms, which consists in the union of a sperm-ucleus with an egg cell nucleus and the union of a second sperm nucleus with the nucleus of an endosperm-producing cell.
Bioculture is the combination of biological and cultural factors that affect human behavior. Bioculture is an area of study bounded by the medical sciences, social sciences, landscape ecology, cultural anthropology, biotechnology, disability studies, the humanities, and the economic and global environment.
Horticulture is the branch of agriculture that deals with the art, science, technology, and business of vegetable garden plant growing. Turf management includes all aspects of the production and maintenance of turf grass for sports, leisure use or amenity use. 2  Floriculture includes the production and marketing of floral crops. 3  Landscape horticulture includes the production, marketing and maintenance of landscape plants.