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Glossary
Sections:
Introduction
Early plant breeding
Early plant breeding, wheat example
Development of landraces
History of early wheat varieties in England
Hand pollination
Deliberate use of crossing to generate variation
Principles of inheritance
Genotypic variation
Other forms of heritable variation
Quantitative variation and heritability
Novel sources of genetic variation
The practice of plant breeding
Breeding methods
Plant Breeders' rights
New technologies for plant breeding
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Early plant breeding, wheat example

Wheat began to spread beyond the Fertile Crescent during the Neolithic period.

By ~ 5,000 years ago, it had reached Western and Central Europe, North Africa and India.

By 4,000 years ago it was known in China.

It was carried by Spanish colonialists to Central and Southern America in the 1500's, by Dutch colonialists to South Africa during the 1600's, by northern Europeans to northern USA and Canada in the early 1700's, and by British colonialists to Australasia in the late 1700's