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Accession details

Passport data and everything else

TDa-1427
DOI
10.18730/J8RQU
Accession number
TDa-1427
Holding institute
International Institute of Tropical Agriculture — Nigeria
Institute code
NGA039
Acquisition Date
January 1, 1989
Provenance of material
Ghana
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
https://www.genesys-pgr.org/10.18730/J8RQU
TDa-1427.jpg
TDa-1427_TDa-1.jpg
Taxonomy provided to Genesys
Genus
Dioscorea
Specific epithet
alata — Browse this species at NGA039
Scientific name
Dioscorea alata
Crop
yam
Crop name
Yam
GRIN TaxonPlease contact us if the detected GRIN taxon is incorrect.
Matched GRIN taxon
Dioscorea alata L.
Current GRIN taxon
Dioscorea alata L.
Accession names
Collecting number
SO/89/066
Accession name
ALAMUN GAGA
Collecting information
Provenance of material
Ghana
Collecting date of sample
January 1, 1989
Collecting source
Farm store
Collecting number
SO/89/066
Location of collecting site
FERNANDO PO ,GHANA
Latitude of collecting site
6.4167
Longitude of collecting site
-0.5667
Elevation of collecting site
-1
Climate at origin

Monthly temperature

Monthly precipitation

JanFebMarAprMayJunJulAugSepOctNovDec
Minimum temperature [°C]19.820.921.821.921.821.320.920.320.8212120.4
Mean temperature [°C]262727.327.126.625.424.624.325.225.826.326
Maximum temperature [°C]32.233.132.832.331.429.628.428.329.630.731.631.7
Monthly precipitation [mm]29661441641832431377817020610753
Bioclimatic variables
Annual mean temperature [°C]
26
Mean diurnal range (mean of monthly (max temp - min temp))
10
Isothermality (bio2/bio7) (* 100)
0.7
Temperature seasonality (standard deviation *100)
9.2
Max temperature of warmest month [°C]
33.1
Min temperature of coldest month [°C]
19.8
Temperature annual range (bio5-bio6) [°C]
13.3
Mean temperature of wettest quarter [°C]
26.3
Mean temperature of driest quarter [°C]
26.3
Mean temperature of warmest quarter [°C]
27.1
Mean temperature of coldest quarter [°C]
24.7
Annual precipitation [mm]
1,580
Precipitation of wettest month [mm]
243
Precipitation of driest month [mm]
29
Precipitation seasonality (coefficient of variation)
48
Precipitation of wettest quarter [mm]
590
Precipitation of driest quarter [mm]
148
Precipitation of warmest quarter [mm]
374
Precipitation of coldest quarter [mm]
385

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 7.65 of 10.0. Read about Passport Data Completeness Index
GENUS
120
SPECIES
80
SPAUTHOR
0
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
30
BREDCODE
0
ANCEST
0
COLLSRC
50
ACCENAME
50
COLLNUMB
40
COLLCODE
0
COLLNAME
0
Metadata
UUID
urn:uuid:d1ed7a0e-e813-40c3-8441-1cd23d9746f5
Permanent URL
https://purl.org/germplasm/id/d1ed7a0e-e813-40c3-8441-1cd23d9746f5
Last updated
November 12, 2025
Created
Date not provided