Descriptor list details

Lentil descriptors

1985

This descriptor list has been prepared in an IBPGR standard format following advice on descriptors and descriptor states arising from a meeting held at ICARDA on May 10—11 1982, and subsequently from crop experts throughout the world.

Crop
Lentil
Publisher
IBPGR
Bibliographic citation

International Board for Plant Genetic Resources, (IBPGR); International Center for Agricultural Research in the Dry Areas, (ICARDA). (1985). Lentil descriptors. Rome: Bioversity.

Version
1985
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
0Absent
+Present

To be observed before maturity

Classification
Characterization descriptor
Data type
Scale
0
1
2
3
4
5
6
7
8
9

Legend:

0
Absent
3
Slight
7
Dense

to be observed on fully expanded leaves, on the lower flowering nodes, see fig(1)

Classification
Characterization descriptor
Data type
Scale
0
1
2
3
4
5
6
7
8
9

Legend:

3
Small
5
Medium
7
Large

Height of plant in late pod-filling stage, measured from the groung to the tip of extended foliage. Mean of 10 plants

Classification
Characterization descriptor
Data type
Free text

To be observed during pod filling

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Rudimentary
2Prominant

time in days from sowing to when 50% of the plants are in flower. HOwevre, in drland areas when planting is in dry soils, it is counted from the first day of rainfall or irrigation, which is sufficient for germination

Classification
Characterization descriptor
Data type
Free text

Time in days from sowing to when 90% of the pods are golden brown. See 4.2.1 for planting in drylands

Classification
Characterization descriptor
Data type
Free text

Ground colour of standed petal (flag)

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1White
2White with blue veins
3Blue
4Violet
5Pink
6OtherSpecify in the notes, descriptor 11
Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
0Absent
+Present

Measured as mean of 10 dry pods

Classification
Characterization descriptor
Data type
Numeric

Average weight of 2 samples of 100 randomly chosen seeds

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
g

To be observed on seed less than 3 months old (Reference to Methune book of colour)

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Green 2D4
2Grey 5C4
3Brwon 7D6
4Black
5Pink 6B5

See Fig. 2

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
0Absent
1Dotted
2Spotted
3Marbled
4ComplexCombination of 1,2 and 3

To be observed on seed less than 3 months old (Reference to Methune book of colour)

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
0Absent
1Olive 2F7 to 3F5
2Grey 6D3
3Brown 6E4
4Black

To be observed on seed less than 3 months old (Reference to Methune book of colour)

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
1Yellow 4B6
2Orange/Red 6A7
3Olive-green 1D8

Scored at maturity (see 4.2.2) on scale 1-9, where

Classification
Characterization descriptor
Data type
Scale
0
1
2
3
4
5
6
7
8
9

Legend:

0
Absent All plants are standing
3
Low
5
Medium
7
High

Yield of dried, mature plants after pulling

Classification
Characterization descriptor
Data type
Coded
CodeTermDescription
N/ACoding table was not provided.

Maximum number of flowers per peduncle on 10 representative plants

Classification
Characterization descriptor
Data type
Numeric

Estimate of the average height above ground of the lowest pod on unlodged plants at harvest

Classification
Characterization descriptor
Data type
Numeric
Unit of measure
cm

Scored after or during harvesting a week after maturity, (see 4.2.2) , on scale 1-9 where

Classification
Characterization descriptor
Data type
Scale
0
1
2
3
4
5
6
7
8
9

Legend:

0
None
3
Low
5
Medium
7
High

Scored a week after maturity on scale 1-9, where

Classification
Characterization descriptor
Data type
Scale
0
1
2
3
4
5
6
7
8
9

Legend:

0
None
3
Low
5
Medium
7
High

Yield of seed after drying

Classification
Characterization descriptor
Data type
Free text

Percentage dry weight at seed moisture equal to or less than 12%. Use the conversion factor N x 6.25

Classification
Characterization descriptor
Data type
Free text

Measured at seed moisture equal to or less than 12%

Classification
Characterization descriptor
Data type
Free text

The time in minutes for cooking unsoaked seed to the softness in boiling distilled water at atmospheric pressure

Classification
Characterization descriptor
Data type
Free text