Vigna Database
Vigna Characterization Descriptors
General Accession Information:
Accession number ACCENUMB
Year of characterization YEAR
Accession name ACCENAME
PLANT DATA:
Growth habit (evaluated in the 6th week after sowing) HABIT
1 Acute erect (branches form acute angles with main stem)
2 Erect (branching angle less acute than above)
3 Semi-erect (branches perpendicular to main stem, but not touch ground) 4 Intermediate (lower branches touch the ground)
5 Semi-prostrate (main stem reaches 20 or more centimetres)
6 Prostrate (plants flat on ground; branches spread several metres)
7 Climbing
INFLORESCENCE:
Days to flowering (Days to 50% flowering) DAYSFLOWER
Number of days from sowing until the 50% of plants have begun to flower. Recorded for plants with the same sowing date, at the same location, each year
Flower colour FLOWERCOLOR
1 White
2 Violet
3 Mauve-pink
99 Other (specify in descriptor Notes)
POD DATA:
Pod length (cm) PODLENGTH
Average length of the 10 longest mature pods from 10 randomly selected plants
Days to pod maturity DAYSPODMAT
Number of days from sowing to stage when 95% of plants have mature pods
Mature pod colour PODCOLORMAT
1 Pale tan or straw
2 Dark tan
3 Dark brown
4 Black or dark purple
99 Other (specify in NOTES)
Number of pods per peduncle PODNUM
Recorded under total insect control. Average number of 10 randomly selected peduncles
SEED DATA:
Seed coat colour(s) (at maturity) SEEDCOLOR
1 White
2 Cream
3 Brown
4 Red
5 Purple
6 Black
99 Other (i.e. yellow or blue, specify in descriptor NOTES)
Eye colour EYECOLOR
0 Eye absent (white, cream)
1 Brown splash or gray
2 Tan brown
3 Red
4 Green
5 Blue to black
6 Blue to black spots or mottle
7 Speckled (even distribution of fine speckling)
8 Mottled (dark brown pigment typically absent around hilum)
9 Mottled and speckled (Victor)
99 Other (specify in descriptor NOTES)
100-kernel mass (g) HKM
Weight of 100 seeds at 12% moisture content
Protein content (%) PROTEIN
BIOTIC and ABIOTIC STRESSES:
Drought DROUGHT
Cowpea (yellow) mosaic virus CPMVIRUS
Notes NOTES
Any additional information may be specified here, particularly that referring to the category 99=Other present in some of the descriptors above.


