IITA Accessions 2

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Accession TVu-8


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Passport data

Collection: Cowpea collection Collection
Accession name: TVu-8 Accesion name
Accession number: 8 Accession number
Country of origin: NGA - Nigeria Country of origin
Cultivar name: C 1 Cultivar name
Available: Yes Is accession available in genebank
Collection: IITACOW - Cowpea collection Collection
GRIN taxa: GRIN:41647 Taxonomy code as used in GRIN
Taxonomy number: 100151 SINGER Taxonomy number
FAO in Trust: Yes FAO in Trust
In Core: Yes In Core collection
Annex 1: Yes Annex1
Ddigital Object Identifier: 10.18730/W4M$ 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.
DuplSite: NOR051 DuplSite
Storage: Seed collection; Medium term; Long term Storage
Acceurl: http://my.iita.org/accession2/accession/TVu-8 Acceurl
In Mini Core: Yes In Mini Core
Collection Date (String): 19711018 String representation of collection date. Format YYYYMMDD. Month and date are optional
Genus: Vigna Genus
Species: unguiculata Species
Species authority: (L.) Walp. Species authority
Subtaxa authority: (L.) Walp. Subtaxa authority
Location: MANR ,NIGERIA Location
Biological status of accession: 300 - Traditional cultivar / Landrace Biological status
Collector Institution: MANR, NIGERIA Collector Institution

Cowpea characterization

Days to first flowering: 40.0 days Days from planting to the notice of first flowering
Days to first ripe pod: 60.0 days Days from planting to first ripe pod
Pattern of pigmentation on plant: Moderate on base and tip of petioles Pattern of pigmentation on plant
Pattern of pigmentation on flower: Wing pigmented petal has light V-shape pattern Pattern of pigmentation on flower
Pattern of pigmentation on green pod: Pigmented valves,green sutures Pattern of pigmentation on green pod
Plant growth habit: Semi-Erect: branches tend to be perpendicular to main stem but do not touch ground Plant growth habit
Twining tendency: None Twining tendency
Growth vigor: Vigorous - Height < 37.5cm and Width < 75cm Growth vigor
Determinacy: Determinate main stem Determinacy
No of main branches: 6.0 No of main branches
No of main stem nodes: 8.0 No of main stem nodes
Peduncle length : Long - Average length > 5cm Peduncle length
Raceme position: In upper leaf layers Raceme position
Terminal leaflet shape: Globose Terminal leaflet shape
Terminal leaflet length : 135.0 cm Terminal leaflet length
Terminal leaflet width : 100.0 cm Terminal leaflet width
No of pods/peduncle: 2 to 3 No of pods/peduncle
Pod attachment to peduncle: Angle of 30° to 90° Pod attachment to peduncle
Pod shape: Curved Pod shape
Pod length: 152.0 mm Pod length
Pod width : 6.0 mm Pod width
No of locules/pod: 14.0 No of locules/pod
Eye pattern: E10:Small eye.Eye encircles the back of hilum(H.) in a narrow ring:widens slightly at the sides of H. & extends in a straight band at either sides of H. Eye pattern
Eye pattern code: E10 Eye pattern code
Eye color: R10:maroon Eye color
Eye color code: R10 Eye color code
Testa texture: W:Wrinkled Testa texture
Seed size: 1400mg/10 seeds Seed size
Seed length : Short - slightly longer than it is wide Seed length
Seed thickness: Intermediate - thickness slightly less than the width Seed thickness
Seed Crowding in pod: Semi-Crowder:slight indentation of seed ends Seed Crowding in pod

Cowpea Evaluation

Incidence of Leaf Spot (C. Canescens): None Incidence of Leaf Spot (C. Canescens)
Incidence of Leaf Spot (C. Cruenta): None Incidence of Leaf Spot (C. Cruenta)
Incidence of Bacterial Pustule: None Incidence of Bacterial Pustule
Incidence of Bacterial Blight: None Incidence of Bacterial Blight
Incidence of Target Spot: None Incidence of Target Spot
Incidence of Rust: None Incidence of Rust
Incidence of Cowpea Mosaic Virus: Bright yellow fleck Incidence of Cowpea Mosaic Virus
Incidence of Anthracnose: None or hypersensitive Incidence of Anthracnose
Incidence of Other Diseases: Nothing Incidence of Other Diseases
Thrips screening: TRUE Thrips screening
Pod bugs screening: TRUE Pod bugs screening
IITA Accession - ver. 2  
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