Crop Genebank Knowledge Base

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Terms used on the Crop Genebank Knowledge Base.

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Term Definition

An organized set of interrelated data assembled for a specific purpose and held in one or more storage media.

Database management system

A piece of software that controls the organization storage retrieval security and integrity of data in a database it accepts requests from the application and instructs the operating system to transfer the appropriate data.

Degenerate Oligonucleotide Primed-PCR

A molecular marker technique that uses partially degenerated primers for polymorphism detection in comparative genomics studies.

Dehiscent fruits

Fruits that open at maturity to shed their seeds (see: follicle capsule).


A branching diagrammatic representation of a set of individuals or taxa constructed from overall similarity of a set of characters among organisms.


The components of DNA: Adenine (A) Cytocine (C) Guanine (G) or Thymidine (T).


An identifiable and measurable trait characteristic or attribute observed in an accession that is used to facilitate data classification storage retrieval and use.

Descriptor list

A collection of all individual descriptors of a particular crop or species.


A short glass jar fitted with an air-tight cover and containing a desiccating agent such as silica gel or calcium chloride, above which the material to be dried is supported on a perforated platform.


A full set of genetic material, consisting of paired chromosomes, with one chromosome from each parental set. Most animal cells, except the gamete, have a diploid set of chromosomes. (cf. Haploid)

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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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