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Accession TDr-3729

TDr-3729

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Passport data

Collection: Yam collection Collection
Accession name: TDr-3729 Accesion name
Accession number: 3729 Accession number
Country of origin: NGA - Nigeria Country of origin
Cultivar name: AOO 814 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: Yes In Core collection
Annex 1: Yes Annex1
hypelink on yambase: https://yambase.org/stock/108457/view hypelink on yambase
Ddigital Object Identifier: 10.18730/JAX12 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-3729 Acceurl
Collection Date (String): 19921001 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: 01/10/1992 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: 98.0 cm Stem length
Internode number: 9.0 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: Thick foliage Bearing type
Vigor of entire plant: Low 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: 4.0 cm Stem diameter measured 15cm from the base
Internode length: 7.0 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: Curved upward 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: 4.0 Surviving plants 4 weeks after planting
Leaf number : 94.0 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: 2.0 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: 6.0 Veins per leaf
Leaf colour: Green Leaf colour
Waxiness of upper/lower surface: Waxy upper surface Waxiness of upper/lower surface
Leaf shape: Cordate Leaf shape
Distance between lobes: No measurable distance Distance between lobes
Leaf base shape: Obtuse Leaf base shape
Upward folding of leaf along main vein: Weak 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: Absent Upward folding of leaf lobes
Downward arching of leaf lobes: Absent Downward arching of leaf lobes
Stipules: Present Stipules
Leaf length: 7.0 cm Leaf length
Leaf width: 5.0 cm Leaf width
Leaf tip: Long Leaf tip
Leaf tip colour: Dark green Leaf tip colour
Petiole length: 2.0 cm Petiole length
Petiole length in correlation to leaf blade length: Medium 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: Present Flowering
Days to flowering: 66 days Days from planting to flowering
Inflorescence smell: Absent Inflorescence smell
Sex: Male Sex
Inflorescence position: Apical Inflorescence position
Number of inflorescence per plant: Few 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: Yellow Flower colour at maturity
Male flower diameter: 1.0 cm Male flower diameter
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
Aerial tuber formation: Absent Aerial tuber formation
IITA Accession - ver. 2  
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