IITA Accessions 2

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Accession TVu-42


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Passport data

Collection: Cowpea collection Collection
Accession name: TVu-42 Accesion name
Accession number: 42 Accession number
Country of origin: NGA - Nigeria Country of origin
Cultivar name: DIXIELEE SEL. Cultivar name
Alternative Identifier: PI 578930 Alternative Identifier
Collector's name: DR R.P. MURPHY Name of person or institute collecting the accession
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/W5NY 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-42 Acceurl
In Mini Core: No 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: IFE,NIGERIA Location
Latitude: 7.4667 Latitude
Longitude: 4.5667 Longitude
Elevation: 286.0 Elevation
Biological status of accession: 300 - Traditional cultivar / Landrace Biological status
Collector Institution: IITA, Kano, Nigeria Collector Institution
Collection code: IF 5 Collection code

Cowpea characterization

Days to first flowering: 44.0 days Days from planting to the notice of first flowering
Days to first ripe pod: 65.0 days Days from planting to first ripe pod
Pattern of pigmentation on plant: None or Very pale 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: Intermediate - Height > 37.5cm or Width > 75cm Growth vigor
Determinacy: Indeterminate main stem Determinacy
No of main branches: 5.0 No of main branches
No of main stem nodes: 12.0 No of main stem nodes
Peduncle length : Long - Average length > 5cm Peduncle length
Raceme position: In all layers of canopy Raceme position
Terminal leaflet shape: Sub-Globose Terminal leaflet shape
Terminal leaflet length : 160.0 cm Terminal leaflet length
Terminal leaflet width : 110.0 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: 123.0 mm Pod length
Pod width : 7.0 mm Pod width
No of locules/pod: 15.0 No of locules/pod
Eye pattern: H40:holstein 40 to 60.pigment extends out in front of hilum from the large eye and covers 40-60% of seed Eye pattern
Eye pattern code: H40 Eye pattern code
Eye color: T10:Tan or buff Eye color
Eye color code: T10 Eye color code
Testa texture: S:Smooth Testa texture
Seed size: 810mg/10 seeds Seed size
Seed length : Very Short - Length equal to Width Seed length
Seed thickness: Thick - thickness equal to width Seed thickness
Seed Crowding in pod: Extreme crowder:seed so compressd that width is greater than length 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: Yellow mosaic Incidence of Cowpea Mosaic Virus
Incidence of Anthracnose: Coalesced lesions Incidence of Anthracnose
Incidence of Other Diseases: Nothing Incidence of Other Diseases
Number of pods affected by Maruca : 114 Number of pods affected by Maruca
Number of pods unaffected by Maruca: 80 Number of pods unaffected by Maruca
Number of pods affected by Laspeyresia: 125 Number of pods affected by Laspeyresia
Number of pods unaffected by Laspeyresia: 110 Number of pods unaffected by Laspeyresia
Percentage of Sulphur (combustion & titration): 0.109999999403954 Percentage of Sulphur (combustion & titration)
Percentage of Nitrogen (colorimetric analysis): 4.21000003814697 Percentage of Nitrogen (colorimetric analysis)
IITA Accession - ver. 2  
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