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Accession TDr-2718

TDr-2718

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Passport data

Collection: Yam collection Collection
Accession name: TDr-2718 Accesion name
Accession number: 2718 Accession number
Country of origin: NGA - Nigeria Country of origin
Cultivar name: ODO Cultivar name
Available: Yes Is accession available in genebank
Collection: IITAYAM - Yam collection Collection
GRIN taxa: GRIN:14249 Taxonomy code as used in GRIN
Taxonomy number: 1282 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/107805/view hypelink on yambase
Ddigital Object Identifier: 10.18730/JAN59 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/TDr-2718 Acceurl
Collection Date (String): 19880000 String representation of collection date. Format YYYYMMDD. Month and date are optional
Genus: Dioscorea Genus
Species: rotundata Species
Species authority: Poir. Species authority
Subtaxa authority: Poir. 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: 21.0 days Days to emergence
Stem length: 61.0 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: Present 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: 3.0 Stem number per hill
Internode number up to 1st branching: 1.0 Internode number up to 1st branching
Stem diameter: 5.0 cm Stem diameter measured 15cm from the base
Internode length: 19.0 cm Internode length
Adult stem color: Green Adult stem color
Adult Hairiness: Dense Adult Hairiness
Adult waxiness: Absent Adult waxiness
Adult wings: Absent Adult wings
Rugosity: Absent Rugosity
Striation: Absent Striation
Cataphyll: Absent Cataphyll
Hair type: Others Hair type
Cataphyll position: Both Cataphyll position
Spininess: Few/basal Spininess
Spine shape: Curved upward Spine shape
Spine length: Long 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 : 16.0 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
Leaf density: Dense Leaf density
Internode no to 1st assimilating leaf: 1.0 Internode no to 1st assimilating leaf
Leaf type: Simple, entire, shalowly lobed Leaf type
Leatheriness: Present Leatheriness
Undulation of leaf margin: Few Undulation of leaf margin
Veins per leaf: 9.0 Veins per leaf
Leaf colour: Green Leaf colour
Hairiness of upper surface: Dense Hairiness of upper surface
Hairiness of lower surface: Dense Hairiness of lower surface
Waxiness of upper/lower surface: Both Waxiness of upper/lower surface
Leaf shape: Sagitate broad Leaf shape
Lobe shape: Rounded Lobe shape
Distance between lobes: No measurable distance Distance between lobes
Leaf base shape: Obtuse Leaf base shape
Upward folding of leaf along main vein: Strong Upward folding of leaf along main vein
Downward arhing of leaf along main vein: Absent Downward arhing of leaf along main vein
Upward folding of leaf lobes: Present Upward folding of leaf lobes
Downward arching of leaf lobes: Absent Downward arching of leaf lobes
Stipules: Absent Stipules
Leaf length: 16.0 cm Leaf length
Leaf width: 6.0 cm Leaf width
Position of the broadest leaves: Medium part Position of the broadest leaves
Leaf tip: Medium Leaf tip
Leaf tip colour: Dark green Leaf tip colour
Petiole length: 2.0 cm Petiole length
Hairiness of petiole: Dense Hairiness of petiole
Colour of spots on petiole: Purple Colour of spots on petiole
Coloured spots position on petiole: End Coloured spots position on petiole
Spininess of petiole: Absent Spininess of petiole
Flowering: Present Flowering
Days to flowering: 69 days Days from planting to flowering
Inflorescence smell: Absent Inflorescence smell
Sex: Female and Male [mostly female] Sex
Inflorescence position: Apical Inflorescence position
Number of inflorescence per plant: Average Number of inflorescence per plant
Inflorescence type: Spikes Inflorescence type
Number of inflorescence per internode: 2.0 Number of inflorescence per internode
Average length of inflorescence: 2.0 cm Average length of inflorescence
Number of flowers per inflorescence: 2.0 Number of flowers per inflorescence
Flower colour at maturity: Other colours outside white yellow and purple Flower colour at maturity
Female flower length: 1.0 cm Female flower length
Male flower diameter: 1.0 cm Male flower diameter
Fruit formation: Present Fruit formation
Fruit position : Apical Fruit position
Fruit quality: Well-developed Fruit quality
Fruit shape: Trilobated capsule Fruit shape
Fruit size : Small Fruit size
Fruit hairiness: Dense Fruit hairiness
Fruit waxiness: Absent Fruit waxiness
Dark spot inside fruits: Absent Dark spot inside fruits
Maturity (tubers) after emergence: Intermediate Maturity (tubers) after emergence
Tuber growth: Annual Tuber growth
Number of tubers per Hill: Few Number of tubers per Hill
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: Light brown Skin color
Surface texture: Smooth Surface texture
Bumps: Absent Bumps
Skin thickness: Thick Skin thickness
Tuber shape: Oval Tuber shape
Uniformity of tuber shape: Medium Uniformity of tuber shape
Tendency of tuber branch: Highly branched Tendency of tuber branch
Place where tuber branch: Lower third Place where tuber branch
Tuber length: 1.0 cm Tuber length
Tuber width: 29.0 cm Tuber width
Spiny roots at tuber surface: Few Spiny roots at tuber surface
Rugosity of tuber surface: Medium Rugosity of tuber surface
Cracks on tuber surface: Absent Cracks on tuber surface
IITA Accession - ver. 2  
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