Accession details
Passport data and everything else
TDr-2605
Accession number
TDr-2605
Holding institute
Institute code
NGA039
Acquisition Date
January 31, 1988
Provenance of material
Biological status of accession
Traditional cultivar/Landrace
Type of germplasm storage
Field collection
Curation type
Fully curated
Availability for distribution
Available for distribution
ITPGRFA MLS
Accession is part of the Multi-lateral system of ITPGRFA
Accession URL
TDr-2605_TDr-2.jpg
TDr-2605.jpg
Taxonomy provided to Genesys
Genus
Dioscorea
Specific epithet
rotundata — Browse this species at NGA039
Scientific name
Dioscorea rotundata Poir.
Crop
yam
Crop name
yam
Matched GRIN taxon
Current GRIN taxon
Accession names
Accession name
ROSM 8451
Collecting information
Provenance of material
Location of collecting site
Umudike
Latitude of collecting site
5.5
Longitude of collecting site
7.533333
Elevation of collecting site
136
Climate at origin
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Minimum temperature [°C] | 21.5 | 22.1 | 22.9 | 22.7 | 22.1 | 21.7 | 21.1 | 21.6 | 21.2 | 21.5 | 21.8 | 21.5 |
| Mean temperature [°C] | 26.3 | 27.1 | 27.5 | 27.3 | 26.4 | 25.7 | 24.7 | 24.6 | 25 | 25.5 | 26.2 | 26.2 |
| Maximum temperature [°C] | 31.1 | 32.1 | 32.1 | 31.9 | 30.8 | 29.8 | 28.3 | 27.7 | 28.8 | 29.5 | 30.6 | 31 |
| Monthly precipitation [mm] | 23 | 52 | 112 | 185 | 259 | 282 | 319 | 268 | 324 | 259 | 75 | 16 |
Bioclimatic variables
Annual mean temperature [°C]
26
Mean diurnal range (mean of monthly (max temp - min temp))
8.5
Isothermality (bio2/bio7) (* 100)
0.8
Temperature seasonality (standard deviation *100)
9.3
Max temperature of warmest month [°C]
32.1
Min temperature of coldest month [°C]
21.1
Temperature annual range (bio5-bio6) [°C]
11
Mean temperature of wettest quarter [°C]
24.7
Mean temperature of driest quarter [°C]
26.5
Mean temperature of warmest quarter [°C]
27.3
Mean temperature of coldest quarter [°C]
24.7
Annual precipitation [mm]
2,174
Precipitation of wettest month [mm]
324
Precipitation of driest month [mm]
16
Precipitation seasonality (coefficient of variation)
62
Precipitation of wettest quarter [mm]
911
Precipitation of driest quarter [mm]
91
Precipitation of warmest quarter [mm]
349
Precipitation of coldest quarter [mm]
911
Accessions with similar climatic properties
Georeferenced accesions in Genesys are linked to their climate data based on worldclim.org datasets. Genesys will try to find similar georeferenced accessions that match the basic climatic parameters: annual mean temperature, seasonality and rainfall.
Passport Data Completeness Index
PDCI score of this accession is 6.5 of 10.0. Read about Passport Data Completeness Index
GENUS
120
SPECIES
80
SPAUTHOR
5
SUBTAXA
0
SUBTAUTHOR
0
CROPNAME
45
ACQDATE
10
SAMPSTAT
80
DONORCODE
0
DONORNUMB
0
OTHERNUMB
0
DUPLSITE
0
STORAGE
15
DONORNAME
0
DUPLINSTNAME
0
ACCEURL
40
MLSSTAT
15
ORIGCTY
80
COLLSITE
15
LATITUDE
40
LONGITUDE
40
ELEVATION
15
COLLDATE
0
BREDCODE
0
ANCEST
0
COLLSRC
0
ACCENAME
50
COLLNUMB
0
COLLCODE
0
COLLNAME
0
Metadata
UUID
urn:uuid:2800cd1c-c9b7-473a-b0a9-b9bf64ce1e3e
Last updated
December 23, 2025
Created
Date not provided