Apospory: The process of embryo sac formation from diploid cells of nucellus as a result of mitosis
Budding: A method of asexual reproduction where small outgrowth(Bud) from a parent cell are produced
Callus: Undifferentiated mass of cells obtained through tissue culture.
Clone: Genetically identical individuals.
Endothecium: A single layer of hygroscopic, radially elongated cells found below the epidermis of anther which helps in dehiscence of anther.
Fertilization: The act of fusion of male and female gamete
Grafting: Conventional method of reproduction where stock and scion are joined to produce new plant.
Horticulture: Branch of plant science that deals with the art of growing fruits, vegetables, flowers and ornamental plants.
Nucellus: The diploid tissue found on the inner part of ovule next to the integuments.
Pollenkitt: A sticky covering found on the surface of the pollen that helps to attract insects.
Regeneration: Ability of organisms to replace or restore the lost parts.
Sporopollenin: Pollen wall material derived from carotenoids and is resistant to physical and biological decomposition.
Tapetum: Nutritive tissue for the developing sporogenous tissue
Transmitting tissue: A single layer of glandular canal cells lining the inner part of style.