Wheat descriptors

1.0
Crop
Wheat
Publisher
Not specified
Version
1.0

Awn color

Classification
Characterization
Data type
Coded
CodeTermDescription
1White
3Yellow
5Brown
7Reddish
9Black
10Heterogeneous

Awn length

Classification
Characterization
Data type
Numeric
Unit of measure
cm

Awnedness

Classification
Characterization
Data type
Scale
3
4
5
6
7
8
9
10

Legend:

3

Awnless or very short awns

5

Intermediate

7

Long awns

10

Mixed

Days to heading

Classification
Evaluation
Data type
Numeric
Unit of measure
days

Days to maturity

Classification
Evaluation
Data type
Numeric
Unit of measure
days

Early growth vigour

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

Legend:

1

Very poor

3

Poor

5

Intermediate

7

Good

9

Very good

Flag leaf attitude

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

Legend:

1

Erect - upright

5

Intermediate

9

Horizontal - reclining

Glume colour

Classification
Characterization
Data type
Coded
CodeTermDescription
1White
3Yellow
5Brown
7Black
9Other
10Heterogeneous

Grain filling period

Classification
Evaluation
Data type
Numeric
Unit of measure
days

Growth habit

Classification
Characterization
Data type
Coded
CodeTermDescription
1Erect
2Intermediate
3Prostrate

Glume hairiness

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

Legend:

1

Absent or glabrous

5

Low to medium

9

high

Grain yield per plot

Classification
Characterization
Data type
Numeric
Unit of measure
gr

Number of kernels per spike

Classification
Characterization
Data type
Numeric

Flag Leaf length

Classification
Characterization
Data type
Numeric
Unit of measure
cm

Flag Leaf width

Classification
Characterization
Data type
Numeric
Unit of measure
cm

Lodging resistance

Classification
Characterization
Data type
Scale
1
2
3

Legend:

1

Very good

2

Fair

3

Very poor

Plant height

Classification
Evaluation
Data type
Numeric
Unit of measure
cm

100 seed weight

Classification
Characterization
Data type
Numeric
Unit of measure
gr

Seed color

Classification
Characterization
Data type
Coded
CodeTermDescription
1Straw
2Amber
3Brown
4Purple or red
5Black

Seed number

Classification
Characterization
Data type
Numeric

Spike density

Classification
Evaluation
Data type
Scale
1
2
3
4
5
6
7
8
9
10

Legend:

1

Very lax

3

Lax

5

Intermediate

7

Dense

9

Very dense

10

Mixed

Seed shattering

Classification
Characterization
Data type
Coded
CodeTermDescription
1YES
2NO

Number of spikelets groups per spike

Classification
Characterization
Data type
Numeric

Spike length

Classification
Characterization
Data type
Numeric
Unit of measure
cm

Spike Length with Awnedness

Classification
Characterization
Data type
Numeric
Unit of measure
cm

Number of spikelets per spike

Classification
Characterization
Data type
Numeric

Seed Size

Classification
Characterization
Data type
Coded
CodeTermDescription
3Small
5Intermediate
7Large
9Very large

Stem solidness

Classification
Characterization
Data type
Coded
CodeTermDescription
1Solid
2Hollow
10Mixed

1000 kernel weight

Classification
Evaluation
Data type
Numeric
Unit of measure
gr

Vitreousness

Classification
Evaluation
Data type
Numeric
Unit of measure
%

Waxiness of plant

Classification
Characterization
Data type
Scale
1
2
3
4
5
6
7
8
9
10

Legend:

1

Waxy

5

Intermediate

9

Not waxy

10

Mixture

Productive tillering capacity

Classification
Evaluation
Data type
Scale
2
3
4
5
6
7

Legend:

3

Low

5

Intermediate

7

High