Crop Genebank Knowledge Base

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Terms used on the Crop Genebank Knowledge Base.

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Term Definition

National Center for Genetic Resources Preservation, USA (website)


North Central Regional Plant Introduction Station, USA (website)

Neutral marker diversity

Genetic diversity as assessed by variation in non-transcribed regions of the genome that are not known to be associated with a biological function.


National Institute of Agrobiological Sciences Japan


National Institute of Genetics Japan

Nominalistic Species Concept

A philosophy that questions the very existence of species, and believes that individuals or interbreeding populations are the only population system with any objective reality.

Normal germination

Germination in which seedlings show all essential root and shoot structures and are capable of developing into mature plants given favourable conditions.


National Small Grains Collection, USA (website)

Nucleotide Binding Site

(NBS) A conserved domain of disease resistance genes.

Nucleotide Binding Site - Directed Profiling

A molecular marker technique that targets variation at disease resistance genes and analogues.

Sources for this glossary: IPGRI Tech. Bulletin 10: Molecular markers for genebank management and Seed handling in genebanks training course
Glossary open source software by M. Brampton

International Agricultural Research Centres who worked together to make this site possible:
Africa Rice Center | Bioversity International | CIAT | CIMMYT | CIP | ICARDA | ICRISAT | IFPRI | IITA | ILRI | IRRI |

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