IBPGR and ICRISAT. (1992). Descriptors for groundnut. International Board for Plant Genetic Resources, Rome, Italy; International Crops Research Institute for the Semi-Arid Tropics, Pantacheru, India.
| Code | Term | Description |
|---|---|---|
| 1 | Annual | |
| 2 | Perennial | |
| 3 | Unknown |
Recorded at podding stage for plants at 10-15 cm interplant spacing. See Fig.1
| Code | Term | Description |
|---|---|---|
| 1 | Procumbent-1 | |
| 2 | Procumbent-2 | |
| 3 | Decumbent-1 | |
| 4 | Decumbent-2 | |
| 5 | Decumbent-3 | |
| 6 | Erect | |
| 7 | Other | Specify in the descriptor notes 4.8 |
Determined on (n+1) coteledonary lateral branches (See fig.2)
| Code | Term | Description |
|---|---|---|
| 1 | Alternate | |
| 2 | Sequential | |
| 3 | Irregular with flowers on main stem | |
| 4 | Irregular without flowers on the main stem | |
| 5 | Other | Specify in the descriptor notes 4.8 |
| Code | Term | Description |
|---|---|---|
| 4.2.2.1 | Primary | N+1 |
| 4.2.2.2 | Secondary | N+2 |
| 4.2.2.3 | Tertiary |
Measured from cotyledonary axil up to terminal bud. mean of ten plants, recorded 60-85 days after emergence
Measured at the widest point, from branch tip to tip, mean of ten plants, recorded 45-60 days after emergence
Recorded on mature plants
| Code | Term | Description |
|---|---|---|
| 0 | Absent | |
| + | Present |
Observed on the main axis
Legend:
Glabrous
Sub-glabrous, hairs in one or two rows along the main axis
Moderately hairy, three or four rows along the main stem
Very hairy, most of the stem surface covered with hairs
Wooly, As in 7 but with long hairs
| Code | Term | Description |
|---|---|---|
| 1 | Simple | |
| 2 | Compound | Number of flowers per axil |
colour of the front face of the standard petal for fresh, fully opened flowers. Royal Horticulture society (RHS) colour codes are given in parentheses, beside descriptor states
| Code | Term | Description |
|---|---|---|
| 1 | White | Orange-white group 159D |
| 2 | Lemon yellow | Yellow group 6C |
| 3 | Yellow | Yellow group 9B |
| 4 | Orange-yellow/yellow-orange | Orange group 25B |
| 5 | Orange | Orange group 24A |
| 6 | Dark orange | Orange group 28A |
| 7 | Garnet/ brick red | Red group 53A |
| 8 | Oher | Specify in the descriptor notes, 4.8 |
Colour of the markings (Crescent), on the front face of the satandard petal. RHS colours codes are given in parentheses besides the descriptor states
| Code | Term | Description |
|---|---|---|
| 1 | White | Orange-white group 159D |
| 2 | Lemon yellow | Yellow group 6C |
| 3 | Yellow | Yellow group 9B |
| 4 | Orange-yellow/yellow-orange | Orange group 25B |
| 5 | Orange | Orange group 24A |
| 6 | Dark orange | Orange group 28A |
| 7 | Garnet/ brick red | Red group 53A |
| 8 | Oher | Specify in the descriptor notes, 4.8 |
| Code | Term | Description |
|---|---|---|
| 0 | Absent | |
| + | Present |
Colour of the fully expanded leaf. RHS colours codes are given in parentheses besides the descriptor states
| Code | Term | Description |
|---|---|---|
| 1 | Yellow/yellow-green | Yeloow-green group 153D |
| 2 | Light green | Yellow-green group 146A |
| 3 | Green | Yellow-green group 147A |
| 4 | Dark green | Green group 137A |
| 5 | Bluish green | Green group 126A |
| 6 | Other | Specify in the descriptor notes 4.8 |
Measured on the third leaf, apical leaflet, of the main stem when fully expanded, mean of 10 leaflets from different plants.
Measured on the third leaf, fully expanded apical leaflet, of the main stem at its widest point, mean of 10 leaflets from different plants
Shape of fully expanded, apical leaflet of the main stem (See Fig: 3)
| Code | Term | Description |
|---|---|---|
| 1 | Cuneate | |
| 2 | Obcuneate | |
| 3 | Elliptic | |
| 4 | Oblong-elliptic | |
| 5 | Narrow-elliptic | |
| 6 | Wide-elliptic | |
| 7 | Suborbicular | |
| 8 | Orbicular | |
| 9 | Ovate | |
| 10 | Obvoate | |
| 11 | Oblong | |
| 12 | Oblong-Lanceolate | |
| 13 | Lanceolate | |
| 14 | Linear-Lanceolate | |
| 15 | Other | Specify in the descriptor notes 4.8 |
Recorde form the leaflets at the third node, use both surfaces
| Code | Term | Description |
|---|---|---|
| 1 | Almost glabrous on both surfaces) | |
| 2 | Almost glabrous above, hairs below | |
| 3 | Almost galbrous above, hairs or/and bristles below | |
| 4 | Almost glabrous below, hairs above | |
| 5 | Almost glabrous below, hairs and bristles above | |
| 6 | Hairs on both surfaces, withour bristles | |
| 7 | Hairs on both surfaces, with bristles at least on one surface | |
| 8 | Wooly without bristles | |
| 9 | Wooly with bristles at least on one surface | |
| 10 | Other | Specify in the descriptor notes 4.8 |
| Code | Term | Description |
|---|---|---|
| 1 | Entire | |
| 2 | Hairy | |
| 3 | Wavy | |
| 4 | Other | Specify in the descriptor notes 4.8 |
| Code | Term | Description |
|---|---|---|
| 1 | Obtuse | |
| 2 | Acute | |
| 3 | Mucronate | |
| 4 | Other | Specify in the descriptor notes 4.8 |
| Code | Term | Description |
|---|---|---|
| 1 | 2-1 | |
| 2 | 2-3-1 / 2-1-3 | |
| 3 | 3-2-1 / 3-1-2 | |
| 4 | 2-3-4-1 / 2-4-3-1 / 2-3-1-4 / 2-4-1-3 / 2-1-3-4 / 2-1-4-3-5 / 3-2-4-1 / 3-2-1-4 | |
| 6 | 3-4-2-1 / 3-4-1-2 | |
| 7 | 4-3-2-1 / 4-2-3-1 | |
| 8 | 4-3-1-2 / 4-2-1-3 | |
| 9 | 3- or 4-seeded with occasional 5-seeded pods | |
| 10 | Other | Specify in the descriptor notes 4.8 |
see Fig. 4
Legend:
Absent
Slight
Moderate
Prominent
Very Prominent
see Fig. 5
Legend:
None
Slight
Moderate
Deep
Very deep
see Fig. 6
Legend:
None
Slight
Moderate
Prominent
Very prominent
Mean of 10 mature pods
Mean of 10 mature pods
| Code | Term | Description |
|---|---|---|
| 1 | One colour | |
| 2 | Variegated |
Primary or major colour of seeds recorded within one month of harvest after complete drying on mature, wrinkled-free seeds (RHS colours codes are given in parentheses besides the descriptor states )
| Code | Term | Description |
|---|---|---|
| 1 | White | White group 155B |
| 2 | Off-white | Yellow-white group 158A |
| 3 | Yellow | Yellow group 8C |
| 4 | Very pale tan | Yellow-orange group 27C |
| 5 | Pale tan | Yellow-orange group 27A |
| 6 | Light tan | Greyed-orange group 173D |
| 7 | Tan | Greyed-orange 174D |
| 8 | Dark tan (greyed-orange 172D | |
| 9 | Greyed orange | Greyed-orange group 176B |
| 10 | Rose | Greyed-red group 181C |
| 11 | Salmon | Greyed-red group 179D |
| 12 | Light red | Greyed-red group 180D |
| 13 | Red | Greyed-red group 181A |
| 14 | Dark Red | Greyed-red group 178A |
| 15 | Purblish red/reddish purple | Greyed-purple group 187A |
| 16 | Light purple | Red-purple group 59A |
| 17 | Purple | Purple group 79B |
| 18 | Dark purple | Purple group 79A |
| 19 | Very dark purple | Blackish) (black group 202A |
| 20 | Other | Specify in the descriptor notes 4.8 |
secondary or minor colour on variegated seeds. Variegation types should be designated using the states below singly or in combination, using the colour states as in 4.6.2. e.g: 7/3 = secondary colour is tan (147D) and is striped. (RHS colours codes are given in parentheses besides the descriptor states )
| Code | Term | Description |
|---|---|---|
| 1 | Bloteched | |
| 2 | Flecks of colour | |
| 3 | Striped | |
| 4 | Tipped at the embryo end | |
| 5 | Obscure or hazy | |
| 6 | Other | Specify in the descriptor notes 4.8 |
Average of 10 mature seeds
Measured at the midpoint, avearge of 10 mature seeds
Weight of 100 random, mature, wrinkle-free seeds
Any special traits for accessions
From sowing or first irrigation
From emergence
From emergence
| Code | Term | Description |
|---|---|---|
| 1 | <90 | |
| 2 | 91-100 | |
| 3 | 101-110 | |
| 4 | 111-120 | |
| 5 | 121-130 | |
| 6 | 131-140 | |
| 7 | 141=150 | |
| 8 | 151-160 | |
| 9 | >160 |
Germination immediately after harvest, and number of days to 70% germination. e.g: 65/12 fro 65% germination and 12 days fro reaching 70% germination
Germination of dried seed 14 days after harvesting and the number of days to 70% germination (recorde as in 4.7.4)
Legend:
None
Few nodules
Abundant nodules
Based on weight of mature seed at 7-9% moisture / total weight of pod sample x 100
based on dry weight of undefatted seeds
Based on weight of oil expressed/total dry weight of the sample x 100
Ratio of Oleic: linoleic fatty acids