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Accession TDr-1879

TDr-1879

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Passport data

Collection: Yam collection Collection
Accession name: TDr-1879 Accesion name
Accession number: 1879 Accession number
Country of origin: BEN - Benin Country of origin
Cultivar name: BE 127 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/106971/view hypelink on yambase
Ddigital Object Identifier: 10.18730/JA1ZR 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 Storage
Acceurl: http://my.iita.org/accession2/accession/TDr-1879 Acceurl
Collection Date (String): 19880131 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: 35.0 days Days to emergence
Stem length: 80.0 cm Stem length
Internode number: 8.0 Internode number
Young stem colour: Colours other than Purple, marron and red 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: Intermediate Bearing type
Vigor of entire plant: Intermediate 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: 5.0 cm Stem diameter measured 15cm from the base
Internode length: 15.0 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: Short Spine length
Coalescent spines: Present Coalescent spines
Coloured spots at spine base: Absent Coloured spots at spine base
Surviving plants 4 weeks after planting: 3.0 Surviving plants 4 weeks after planting
Leaf number : 72.0 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: Intermediate 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
Veins per leaf: 7.0 Veins per leaf
Leaf colour: Very light green Leaf colour
Waxiness of upper/lower surface: Waxy upper surface Waxiness of upper/lower surface
Leaf shape: Cordate broad Leaf shape
Distance between lobes: No measurable distance Distance between lobes
Leaf base shape: Emarginate Leaf base shape
Downward arhing of leaf along main vein: Absent Downward arhing of leaf along main vein
Upward folding of leaf lobes: Absent Upward folding of leaf lobes
Stipules: Absent Stipules
Leaf length: 13.0 cm Leaf length
Leaf width: 7.0 cm Leaf width
Leaf tip: Medium Leaf tip
Leaf tip colour: Dark green Leaf tip colour
Petiole length: 1.0 cm Petiole length
Petiole length in correlation to leaf blade length: Short Petiole length in correlation to leaf blade length
Spininess of petiole: Absent Spininess of petiole
Amount of leafing in October: Intermediate Amount of leafing in October
Flowering: Absent Flowering
Inflorescence smell: Absent Inflorescence smell
Fruit formation: Absent Fruit formation
Maturity (tubers) after emergence: Intermediate Maturity (tubers) after emergence
Tuber growth: Annual Tuber growth
Number of tubers per Hill: One Number of tubers per Hill
Aerial tuber formation: Absent Aerial tuber formation
IITA Accession - ver. 2  
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