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Accession TDa-1246

TDa-1246

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Passport data

Collection: Yam collection Collection
Accession name: TDa-1246 Accesion name
Accession number: 1246 Accession number
Country of origin: BEN - Benin Country of origin
Cultivar name: BE 126 Cultivar name
Available: Yes Is accession available in genebank
Collection: IITAYAM - Yam collection Collection
GRIN taxa: GRIN:14175 Taxonomy code as used in GRIN
Taxonomy number: 100076 SINGER Taxonomy number
FAO in Trust: Yes FAO in Trust
In Core: No In Core collection
Annex 1: Yes Annex1
hypelink on yambase: https://yambase.org/stock/105795/view hypelink on yambase
Ddigital Object Identifier: 10.18730/J9R23 A unique alphanumeric string assigned by a registration agency (the International DOI Foundation) to identify content and provide a persistent link to its location on the Internet.
Storage: Field collection;In vitro collection Storage
Acceurl: http://my.iita.org/accession2/accession/TDa-1246 Acceurl
Collection Date (String): 19880131 String representation of collection date. Format YYYYMMDD. Month and date are optional
Genus: Dioscorea Genus
Species: alata Species
Species authority: L. Species authority
Subtaxa authority: L. Subtaxa authority
Acquisition date: 31/01/1988 Acquisition date
Biological status of accession: Landraces Biological status
Collecting/acquisition source: 26 - Farm Store Collecting/acquisition source
Material: Tubers Material

Yam characterization

Days to emergence: 24.0 days Days to emergence
Stem length: 101.0 cm Stem length
Internode number: 7.0 Internode number
Young stem colour: Purple Young stem colour
Absence/presence of waxiness: Absent Absence/presence of waxiness
Absence/presence of wings: Absent Absence/presence of wings
Absence/presence of hair: Absent Absence/presence of hair
Absence/presence of spines: Absent Absence/presence of spines
Colored spots at the base of spine: Absent Colored spots at the base of spine
Barky patches: Absent Barky patches
Plant type: Climbing Plant type - astmxter
Bearing type: Thick foliage Bearing type
Vigor of entire plant: High Vigor of entire plant
Twining habit: Present Twining habit
Layering habit: Absent Layering habit
Twining direction: Anticlockwise Twining direction
Stem height 8 weeks after planting: Medium Stem height 8 weeks after planting
Stem number per hill: 1.0 Stem number per hill
Internode number up to 1st branching: 1.0 Internode number up to 1st branching
Stem diameter: 10.0 cm Stem diameter measured 15cm from the base
Internode length: 14.0 cm Internode length
Branching at 16 weeks after planting: Few Branching at 16 weeks after planting
Adult stem color: Green Adult stem color
Spininess: Few/entire stem Spininess
Spine shape: Straight Spine shape
Spine length: Intermediate Spine length
Coalescent spines: Present Coalescent spines
Coloured spots at spine base: Absent Coloured spots at spine base
Surviving plants 4 weeks after planting: 4.0 Surviving plants 4 weeks after planting
Leaf number : 80.0 Leaf number counted 20 days after emergence
Pigmentation between Veins: Absent Pigmentation between Veins
Hairiness of leaf surfaces: Upper and lower surface Hairiness of leaf surfaces
Leaf arrangement: Opposite Leaf arrangement
Onset of leaf: Early Onset of leaf
Leatheriness: Present Leatheriness
Maturity (tubers) after emergence: Intermediate Maturity (tubers) after emergence
Tuber growth: Annual Tuber growth
Number of tubers per Hill: Several Number of tubers per Hill
Relationship of tubers: Completely separate and close together Relationship of tubers
Corm: Present Corm
Corm size with tubersize: Small Corm size with tubersize
Corm ability to be separate from tuber: Present Corm ability to be separate from tuber
Spininess of root: Absent Spininess of root
Sprouting at harvest: Absent Sprouting at harvest
Aerial tuber formation: Absent Aerial tuber formation
Skin color: Greyish Skin color
Surface texture: Smooth Surface texture
Bumps: Present Bumps
Skin thickness: Thick Skin thickness
Tuber shape: Cylindrical Tuber shape
Uniformity of tuber shape: Very uniform Uniformity of tuber shape
Tendency of tuber branch: Slightly branched Tendency of tuber branch
Place where tuber branch: Upper third Place where tuber branch
Tuber length: 3.0 cm Tuber length
Tuber width: 27.0 cm Tuber width
Spiny roots at tuber surface: Few Spiny roots at tuber surface
Roots on the tuber surface: Few Roots on the tuber surface
Rugosity of tuber surface: Smooth Rugosity of tuber surface
Cracks on tuber surface: Absent Cracks on tuber surface
IITA Accession - ver. 2  
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