Descriptor list details

Bambara groundnut descriptors

2000

Bambara groundnut morphological descriptors published in 2000

Crop
Bambara groundnut
Publisher
IPGRI
Version
2000

Recorded within two months after harvest (at 12% moisture content)

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
g

Recorded when 50% of the plants have begun to flower

Classification
Characterization descriptor
Data type
Numeric

Recorded within two months after harvest

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Yellowish-brown
2Brown
3Reddish-Brown
4Purple
5Black
99Otherspecify

Recorded 10 weeks after planting, based on the 4th petiole (P)/4th internode (I) length ratio (P/I)

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Bunch type
2Semibunch type
3Spreading type (open)

Recorded 10 weeks after planting; average length of fourth internode of three longest stems of five healthy plants

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
mm

Average number of 10 pods recorded within two months after harvest

Classification
Characterization descriptor
Data type
Numeric

Recorded 10 weeks after planting; average of five plants. Widest length between two opposite points

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
cm

Recorded within two months after harvest; average length of 10 pods

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
cm

Recorded on the basis of one-seeded pod, within two months after harvest

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Without point
2Ending in a point, round on the other side
3Ending in a point, with nook on the other side
4Ending in two points on each side
99OtherSpecify

Recorded within two months after harvest

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Smooth
2Little grooves
3Much grooved
4Much folded

Recorded within two months after harvest; average width of 10 pods

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
cm
Classification
Characterization descriptor
Data type
Numeric
Unit of measure
mm

Recorded on the basis of seeds of one-seeded pod, within two months after harvest

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Round
2Oval
99OtherSpecify

Recorded within two months after harvest; average width of 10 seeds

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
mm

Recorded within two months after harvest; average thickness of 10 pods

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
mm

Recorded within two months after harvest; average percentage of 10 pods, based on weight of mature seed (at 12% moisture content)

Classification
Characterization descriptor
Data type
Numeric
Classification
Characterization descriptor
Data type
Numeric
Unit of measure
mm
Classification
Characterization descriptor
Data type
Numeric
Unit of measure
mm

Weight of dried seed (at 12% moisture content)

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
kg

Average length of two flowers of five plants

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
mm

Average of the 10 peduncles

Classification
Characterization descriptor
Data type
Numeric

Recorded at the stage of open flower; average length of two peduncles of five healthy plants

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
mm

Recorded 10 weeks after planting; average length of three leaves at the fourth node of five healthy plants

Classification
Characterization descriptor
Data type
Numeric

Measured from the ground level (at the base of the plant) to the tip of the highest point, including the terminal leaflet. Recorded 10 weeks after planting; average height of five plants

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
cm
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Green
2Red
3Purple
99OtherSpecify

Recorded 10 weeks after planting

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Round
2Oval
3Lanceolate
4Elliptic
99OtherSpecify