Page 19 - Introduction to Agriculture by: Aqleem Abbas

Introduction to Agriculture Notes prepared by: Aqleem Abbas

Genus
Group of similar species.

Family

Order

Class

Division

Kingdom

For example

Species aestivum
Genus Triticum
Family graminae
Order graminales
Subclass monocot
Class angiosperm
Division spermatophyte
Kingdom plantae

IMPORTANT TERMS

Variety

Variation within a species form a variety. It has DUS characteristic means distinct,
uniform and stable characteristic. For example mexico pak, saleem, ghaznavi.

Botanical variety

It is a naturally occurring variety. Variation in it are because of nature. It is also
called wild variety. Different from originally developed. It is unidentified or
unnamed. When a group of plants occurring in nature in diffent form and botanical
binomial is not enough to identify it called botanical variety.

Cultivar

Variety under field or cultivate variety e.g. mexico pak is a variety not cultivar
because now a days it is not cultivated. Saleem is a variety as well as a cultivar. So
all cultivars are varieties but all varieties are not cultivars.

Variety may be

 Clone