Descriptor list details

NGBT descriptors for bread wheat

1.0

In NGBT we use IPBGR wheat descriptors published in 1985 (https://cgspace.cgiar.org/handle/10568/72818) and UPOV descriptors from 2017. Individual descriptors are modified to better match our needs.

Crop
Wheat
Publisher
Not specified
Version
1.0
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1White
2Colored
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Tappering
2Parallel sided
3Slightly clavate
4Strongly clavate
5Fusiform
Classification
Characterization descriptor
Data type
Scale
1
2
3
4
5
6
7
8
9

Legend:

1
Very Lax
3
Lax
5
Medium
7
Dense
9
Very dense
Classification
Characterization descriptor
Data type
Scale
1
2
3
4
5
6
7
8
9

Legend:

1
Very short
3
Short
5
Medium
7
Long
9
Very Long
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Both absent
2Scurs present
3Awns present
Classification
Characterization descriptor
Data type
Scale
1
2
3
4
5
6
7
8
9

Legend:

1
Very short
3
Short
5
Medium
7
Long
9
Very Long

The average number of spikelets per spike from five typical spikes selected from a growing accession

Classification
Characterization descriptor
Data type
Numeric
Classification
Characterization descriptor
Data type
Scale
1
2
3
4
5
6
7
8
9

Legend:

1
Absent or very weak
3
Weak
5
Medium
7
Strong
9
Very Strong
Classification
Characterization descriptor
Data type
Scale
1
2
3
4
5
6
7
8
9

Legend:

1
Absent or very weak
3
Weak
5
Medium
7
Strong
9
Very strong
Classification
Characterization descriptor
Data type
Scale
1
2
3
4
5
6
7
8
9

Legend:

1
Absent or very small
3
Small
5
Medium
7
Large
9
Very large
Classification
Characterization descriptor
Data type
Scale
1
2
3
4
5
6
7
8
9

Legend:

1
straight
3
Slightly curved
5
Moderatly curved
7
Strongly curved
9
Geniculate
Classification
Characterization descriptor
Data type
Scale
1
2
3
4
5
6
7
8
9

Legend:

1
Very short
3
Short
5
Medium
7
Long
9
Very Long
Classification
Characterization descriptor
Data type
Scale
1
2
3
4
5
6
7
8
9

Legend:

1
Strongly sloping
3
Slightly sloping
5
Horizontal
7
Slightly elevated
9
Strongly elevated
Classification
Characterization descriptor
Data type
Scale
1
2
3
4
5
6
7
8
9

Legend:

1
Absent or very narrow
3
Narrow
5
Medium
7
Broad
9
Very broad
Classification
Characterization descriptor
Data type
Scale
1
2
3
4
5

Legend:

1
Very small
3
Medium
5
Very large
Classification
Characterization descriptor
Data type
Scale
0
1
2
3
4
5
6
7

Legend:

0
Absent
3
Low
7
High
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1White
2Riddish
3Purple
4Bluish
Classification
Characterization descriptor
Data type
Scale
1
2
3
4
5
6
7
8
9

Legend:

3
Small
5
Intermediate
7
Large
9
Very large

The average number of seeds from a spikelet – obtained from the central portion of the spike

Classification
Characterization descriptor
Data type
Numeric