Agricultural Science S.S.S 3 First Term

WEEK 1

Crop improvement

Performance Objectives

Student should be able to:

        1. Explain crop improvement.

        2. State the aims of crop improvement.

Content

Meaning of crop improvement

Crop improvement can be described as the selection, breeding and development of new crop varieties which perform better than the existing varieties. The study of crop improvement is referred to as PLANT BREEDING. In-plant breeding, existing plants are scientifically modified which produce new strains, species and varieties that may meet the needs of man in his environment.

To achieve the above, the plant breeder first step in crop improvement is picking out high yielding individual plants which possess other desirable characters such.... View More