Seed systems and diversity

N.P. Louwaars*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review


Farmers use various seed systems to obtain seeds for their next crop. The diversity of seeds determines, together with other aspects of the farming system, the biodiversity in farmed areas. Conservation strategies for crop genetic resources distinguish ex situ, on-farm and in situ components. The on-farm management of such resources is highly influenced by the seed systems that farmers use. Next to primary and secondary centres of diversity, this chapter introduces a tertiary source of diversity, based on the creation of new diversity through modern breeding. The impact of different seed systems on the management of crop genetic diversity is also analysed.
Original languageEnglish
Title of host publicationPlant genetic resources
Subtitle of host publicationA review of current research and future needs
EditorsM. Ehsan Dulloo
PublisherBurleigh Dodds Science Publishing Limited
ISBN (Print)9781786764515
Publication statusPublished - 15 Mar 2021


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