Descriptor list details

NGBT descriptors for barley

1.0

In NGBT we use IPBGR barley descriptors published in 1994 (https://cgspace.cgiar.org/handle/10568/72818) and UPOV descriptors from 2012. Individual descriptors are modified to better match our needs.

Crop
Barley
Publisher
Not specified
Version
1.0
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Two rowed, large and small sterile lateral florets
2Two rowed, deficient
3Irregular, variable lateral florets development
4Six rowed, awnless or awnleted lateral florets
5Six rowed, long awns on lateral florets
6Other

A subjective observation, see fig: 4

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

Legend:

3
Lax
5
Intermediate
7
Dense
Classification
Characterization descriptor
Data type
Numeric

See Fig : 5

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Awnless
2Awnleted
3Awned
4Sessile hoods
5Elevated hoods

See Fig : 6

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

Legend:

3
Smooth few barbs at tip
5
Intermediate small barbs on upper half
7
Rough

See Fig : 7

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Length of glume and awn shorter than kernel
2Length of glume and awn as long as kernel
3Glume plus awn longer than kernel
4Glume plus awn nearly twice as long as kernel
5Lemma-like
6Other
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1White
2Yellow
3Brown
4Black

Recorded on fresh seeds

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Amber/white
2Yellow
3Brown
4Reddish
5Black
6Other

See Fig: b6

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Short
2Long

Whether or not the lemma and palea adhere to the caryopsis

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Naked grain
2Semi-covered grain
3Covered grain
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Amber (normal)
2Tan/red
3Purple
4Black/grey
5Other
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Absent
9Present
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Very weak
3Weak
5Medium
7Strong
9Very strong

See Fig : b1

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Erect
3Semi-erect
5Horizontal
7Semi-recurved
9Recurved

See Fig : b2

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
3Tapering
5Parallel
7Fusiform

See Fig : b3

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
3Short
5Medium
7Long
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
3Short
5Medium
7Long

See Fig : b4

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Absent or very weak
3Weak
5Medium
7Strong
9Very strong

See Fig: b5

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Parallel
2Parallel to weakly divergent
3Divergent
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Absent
9Present
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Absent or very weak
3Weak
5Medium
7Strong
9Very strong
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Absent or very weak
3Weak
5Medium
7Strong
9Very strong

See Fig : b8

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Absent
9Present

See Fig: b9

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Frontal
2Clasping
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Whitish
2Weakly coloured
3Strongly coloured