Descriptor list details

World Vegetable Center GRSU characterization record sheet for Glycine spp. (soybean).

1.0

In WorldVeg we use the IBPGR descriptors for soyabean published in 1984 (https://cgspace.cgiar.org/handle/10568/72944). Individual descriptors are modified to better match the needs and conditions of WorldVeg.

Crop
Soybean
Publisher
World Vegetable Center
Bibliographic citation

WorldVeg GRSU Characterization Record Sheet for Glycine spp. (soybean). 2015. World Vegetable Center

Version
1.0
Classification
Characterization descriptor
Data type
Free text
Classification
Characterization descriptor
Data type
Free text

recorded at the time when the primary leaves are expanded

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Green
2Purple
999Mixture
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
3Determinate
5Semi-determinate
7Indeterminate
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
13
54-6
77 or more

recorded with length (cm) x width (cm)

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
3Small (70 cm2 or less)
5Medium (71 to 149 cm2)
7Large (150 cm2 and more)
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
3Narrow (1/w 2.2 or more) = ‘lanceolate’
5Intermediate (1/w 1.9.2.1)
7Broad (1/W 1.8 or less) = ‘ovate’
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
0Absent
3Sparse
5Semi- sparse
7Normal
9Dense
999Mixture
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Grey
2Light brown
3Brown = ‘tawny’
999Mixture
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Erect
2Semi-appressed
3Appressed
4Curly
5Retrorse tip

actual measurement in cm as mean of 20 randomly selected plants

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
cm

actual measurement in cm as mean of 20 randomly selected plants

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
cm

mean of 20 randomly selected plants

Classification
Characterization descriptor
Data type
Numeric

scored from leaning angle and lodging area (see table 1)

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
0None
3Slight
5Moderate
7Severe
9Very severe

number of days from planting to 50% of plants with at least one open flower

Classification
Characterization descriptor
Data type
Numeric
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
3White
5Purple throat
7Purple
999Mixture
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
3Tan
5Brown
7Black
999Mixture

mean of 20 randomly selected plants

Classification
Characterization descriptor
Data type
Numeric

mean of 20 randomly selected plants

Classification
Characterization descriptor
Data type
Numeric

estimated percent of pod splitting and seed shattering at a comparable time after maturity

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1No shattering
2Slight shattering
5Medium shattering
7Shattering
9Highly shattering

actual percent

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
percentage
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Yellowish white
2Yellow
3Green
4Light brown
5Brown
6Grey
7Imperfect black (black shading to buff)
8Black
9Other (specify)
999Mixture
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Light hilum
2Dark hilum
3Saddle
4Striped
999Mixture
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Yellow
2Buff
3Brown
4Green
5Grey
6Imperfect black (= black with buff outer ring)
7Black
8Other (specify)
999Mixture
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
3Shiny
5Intermediate
7Dull
9Heavy bloom
999Mixture

measure in gm

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
gm
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Yellow
2Green

percent on dry seed weight basis

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
percentage

percent on dry seed weight basis

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
percentage