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Accession details

Passport data and everything else

TDr-4069
DOI
10.18730/J93FA
Accession number
TDr-4069
Holding institute
International Institute of Tropical Agriculture — Nigeria
Institute code
NGA039
Acquisition Date
January 1, 1989
Provenance of material
Nigeria
Biological status of accession
Other
Type of germplasm storage
Field collection
In vitro 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
https://www.genesys-pgr.org/10.18730/J93FA
TDr-4069.jpg
TDr-4069_TDr-4.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
GRIN TaxonPlease contact us if the detected GRIN taxon is incorrect.
Matched GRIN taxon
Dioscorea rotundata Poir.
Current GRIN taxon
Dioscorea rotundata Poir.
Accession names
Collecting number
89/02672
Accession name
TDr-4069
Collecting information
Provenance of material
Nigeria
Collecting date of sample
January 1, 1989
Collecting source
Farm store
Collecting number
89/02672
Location of collecting site
TRIP - NCR
Latitude of collecting site
7.501424
Longitude of collecting site
3.909921
Elevation of collecting site
252
Climate at origin

Monthly temperature

Monthly precipitation

JanFebMarAprMayJunJulAugSepOctNovDec
Minimum temperature [°C]21.121.82322.922.421.821.220.821.722.121.720.6
Mean temperature [°C]2727.928.527.927.125.724.624.125.326.126.826.8
Maximum temperature [°C]3334343331.829.72827.42930.231.933
Monthly precipitation [mm]52482141156181162122184174379
Bioclimatic variables
Annual mean temperature [°C]
26.5
Mean diurnal range (mean of monthly (max temp - min temp))
9.5
Isothermality (bio2/bio7) (* 100)
0.7
Temperature seasonality (standard deviation *100)
13
Max temperature of warmest month [°C]
34
Min temperature of coldest month [°C]
20.6
Temperature annual range (bio5-bio6) [°C]
13.4
Mean temperature of wettest quarter [°C]
25.8
Mean temperature of driest quarter [°C]
27.2
Mean temperature of warmest quarter [°C]
28.1
Mean temperature of coldest quarter [°C]
24.6
Annual precipitation [mm]
1,277
Precipitation of wettest month [mm]
184
Precipitation of driest month [mm]
5
Precipitation seasonality (coefficient of variation)
63
Precipitation of wettest quarter [mm]
499
Precipitation of driest quarter [mm]
38
Precipitation of warmest quarter [mm]
247
Precipitation of coldest quarter [mm]
468

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 5.9 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
40
COLLSITE
10
LATITUDE
15
LONGITUDE
15
ELEVATION
5
COLLDATE
10
BREDCODE
0
ANCEST
0
COLLSRC
25
ACCENAME
40
COLLNUMB
20
COLLCODE
0
COLLNAME
0
Metadata
UUID
urn:uuid:b0d4b8ae-8d52-4ee8-a4f2-6d5275af166a
Permanent URL
https://purl.org/germplasm/id/b0d4b8ae-8d52-4ee8-a4f2-6d5275af166a
Last updated
July 21, 2026
Created
Date not provided