Descriptor list details

ICRAF Descriptors for Dacryodes edulis

1.0

Characterization and evaluation descriptors for Dacryodes edulis.

Crop
Agroforestry species
Publisher
Not specified
Version
1.0
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Ellipsoid
2Roundish
3Semi-circular
4Pyramidal
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Erect
2Spreading
3Drooping
Classification
Characterization descriptor
Data type
Numeric
Unit of measure
m
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Cylindrical
2Bell-shaped
3Cone-shaped
4Concave

Trunk diameter recorded at breast height.

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
cm
Classification
Characterization descriptor
Data type
Numeric
Unit of measure
m
Classification
Characterization descriptor
Data type
Numeric
Unit of measure
cm
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Grey
2Brown
3Reddish-brown
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Smooth
2Rough
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Erect
2Horizontal
3Drooping
Classification
Characterization descriptor
Data type
Free text

Randomly select 10 mature and healthy leaves and record the average petiole length. Measure from the base of the petiole to the base of leaflet petiole.

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

Measure from the base of the leaflet petiole to the base of leaf blade.

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
cm

Measure from the base of the leaf blade to the leaf tip.

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
cm
Classification
Characterization descriptor
Data type
Numeric
Unit of measure
cm
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Acute
2Apiculate
3Cuspidate
4Obtuse/rounded
5Acuminate
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Elliptic
2Oblong
3Ovate
4Obovate
5Lanceolate
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Acute
2Attenuate
3Acuminate
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Entire
2Undulate
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
0No
1Yes
Classification
Characterization descriptor
Data type
Free text
Classification
Characterization descriptor
Data type
Free text
Classification
Characterization descriptor
Data type
Free text

Count only mature fruits

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

Record the predominant shape of fruits.

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Oblong-cylindrical
2Oblong-irregular
3Ellipsoid
4Globose
5Pyriform
6Reniformkidney-shaped
7Obovate
8Ovate

Fruit apex shape.

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Acute
2Obtuse
3Round
4Concave
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
0Absent
1Perceptible
2Pointed
3Prominent
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Vertical
2Slightly oblique
3Oblique
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Not contoured
2Shallowly contoured
3Deeply contoured

Measured at the longest length, but only if the complete pedicel is available.

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
cm

Measured from the base to the tip of the fruit.

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
cm

Measured at the widest point.

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
cm
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Black
2Brown
3Green
4Gray
5Yellowish

Colour of fruit pulp -use colour codes from the Royal Horticultural Society colour chart.

Classification
Characterization descriptor
Data type
Free text
Classification
Characterization descriptor
Data type
Numeric
Classification
Characterization descriptor
Data type
Numeric
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Dark brown
2Reddish black

Average length of ten seeds.

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
cm

Average width of ten seeds.

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
cm
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1OblongReniform (kidney-shaped)
2Reniform (kidney-shaped)
3Very reniform
Classification
Characterization descriptor
Data type
Numeric
Unit of measure
g
Classification
Characterization descriptor
Data type
Numeric
Unit of measure
cm
Classification
Characterization descriptor
Data type
Numeric
Unit of measure
g

Specify number of days over which germination is measured in percentage

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
%
Classification
Characterization descriptor
Data type
Numeric
Unit of measure
days

Specify number of days over which germination is measured

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