Glossary

Asexual and Sexual Reproduction in Plants

Glossary

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.