IITA Accessions 2

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Accession TVu-1


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Passport data

Collection: Cowpea collection Collection
Accession name: TVu-1 Accesion name
Accession number: 1 Accession number
Country of origin: NGA - Nigeria Country of origin
Cultivar name: ADZUKI 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
DuplSite: NOR051 DuplSite
Storage: Seed collection; Medium term; Long term Storage
Acceurl: http://my.iita.org/accession2/accession/TVu-1 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
Location: FDAR ,NIGERIA Location
Biological status of accession: 410 - Breeding / Research material Biological status
Collector Institution: FDAR, NIGERIA Collector Institution

Cowpea characterization

Days to first flowering: 39.0 days Days from planting to the notice of first flowering
Days to first ripe pod: 58.0 days Days from planting to first ripe pod
Pattern of pigmentation on plant: Almost Solid Pattern of pigmentation on plant
Pattern of pigmentation on flower: Completely Pigmented Pattern of pigmentation on flower
Pattern of pigmentation on green pod: Uniform pigment Pattern of pigmentation on green pod
Plant growth habit: Erect : branches less acute than above Plant growth habit
Twining tendency: Moderate Twining tendency
Growth vigor: Vigorous - Height < 37.5cm and Width < 75cm Growth vigor
Determinacy: Indeterminate main stem Determinacy
No of main branches: 5.0 No of main branches
No of main stem nodes: 11.0 No of main stem nodes
Peduncle length : Long - Average length > 5cm Peduncle length
Raceme position: In upper leaf layers Raceme position
Terminal leaflet shape: Sub-Globose Terminal leaflet shape
Terminal leaflet length : 100.0 cm Terminal leaflet length
Terminal leaflet width : 65.0 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: 143.0 mm Pod length
Pod width : 5.0 mm Pod width
No of locules/pod: 13.0 No of locules/pod
Eye pattern: S00:Self Colored Eye pattern
Eye pattern code: S00 Eye pattern code
Eye color: R40:red Eye color
Eye color code: R40 Eye color code
Testa texture: S:Smooth Testa texture
Seed size: 810mg/10 seeds Seed size
Seed length : Intermediate - twice as long as wide Seed length
Seed thickness: Thick - thickness equal to width Seed thickness
Seed Crowding in pod: Non-crowder:no compression at all in pod 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: Moderate:2 or 3 spots/leaf, on most of the leaves 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: Green mottle Incidence of Cowpea Mosaic Virus
Incidence of Anthracnose: Many large lesions Incidence of Anthracnose
Incidence of Other Diseases: Nothing Incidence of Other Diseases
Number of pods affected by Maruca : 145 Number of pods affected by Maruca
Number of pods unaffected by Maruca: 134 Number of pods unaffected by Maruca
Number of pods affected by Laspeyresia: 108 Number of pods affected by Laspeyresia
Number of pods unaffected by Laspeyresia: 97 Number of pods unaffected by Laspeyresia
Percentage of Sulphur (combustion & titration): 0.119999997317791 Percentage of Sulphur (combustion & titration)
Percentage of Nitrogen (colorimetric analysis): 5.53999996185303 Percentage of Nitrogen (colorimetric analysis)
Thrips screening: TRUE Thrips screening
Pod bugs screening: TRUE Pod bugs screening
IITA Accession - ver. 2  
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