Crop Genebank Knowledge Base

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Terms used on the Crop Genebank Knowledge Base.

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Term Definition

Also known as DNA chip. A high throughput screening technique based on the hybridization between oligonucleotide probes and either DNA or mRNA, carried out on miniaturized reaction surfaces.

Micropylar region

The point on a seed that was the orifice (pore) of the ovule.


A molecular marker technique that targets tandem repeats of a small (1???6 base pairs) nucleotide repeat motif.

Microsatellite DNA

A type of repetitive DNA based on very short repeats such as dinucleotides


Movement of individuals between otherwise reproductively isolated populations.


A molecular marker technique that targets tandem repeats of a large (10???50 base pairs) nucleotide repeat motif.


Multilateral system

Moisture content (wet-weight basis)

The weight of free moisture divided by the weight of water plus dry matter expressed as a percentage.


The periodic checking of accessions for viability and quantity.

Monitoring interval

The period of storage between monitoring tests.

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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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