Visual measurement recorded three weeks after emergence of the seedling.
Code | Term | Description |
---|---|---|
1 | Very strong | |
2 | Strong | |
3 | Average | |
4 | Weak | |
5 | Very weak |
Number of days from planting to when 50% of the plants have extended silk.
Midrib colour of the third leaf counted from flag leaf downwards taken during or shortly after flowering.
Code | Term | Description |
---|---|---|
W | White | |
D | Dull Green | |
Y | Yellow | |
B | Brown | |
G | Green | |
P | Purple |
Mean height of 10 random plants, measured from the ground level to the tip of the head taken after flowering and before ripening.
Mean height of 10 random plant ears from the ground level to the node bearing the upper ear.
Absence or prescence of pigments on leaf and stalk taken at seed filling stage.
Code | Term | Description |
---|---|---|
P | Pigment | |
T | Tan |
Average number of basal tillers (without counting the stem)at maturity of 10 randomly selected plants.
Susceptibility to lodging. Scored before harvesting in a scale similar to percentages.
Legend:
Very few lodged
Almost 50% lodged
Nearly all lodged
Number of days from sowing to 90% of plants reaching physiological maturity.
Average of 10 randomly selected plants from the middle of the plot.
Consider phenotypic appearance.
Code | Term | Description |
---|---|---|
1 | No | |
2 | Yes |
Number of ears randomly harvested and characterized in the lab.
Mean length of 10 random ears from the point of attachment on the ear peducle to the tip of the dehusked ear.
Number of rows of kernel on 10 randomly selected ears.
Kernel type.
Code | Term | Description |
---|---|---|
AM | Floury | |
SA | Semi floury | |
AT | Semi dent | |
SF | Semi flint | |
FT | Flint | |
PP | Pop | |
SW | Sweet | |
OP | Opaque |
Three colours observed in order of frequency.
Code | Term | Description |
---|---|---|
1 | White | |
2 | Yellow | |
3 | Purple | |
4 | Variegated | |
5 | Brown | |
6 | Orange | |
7 | Mottled | |
8 | White cap | |
9 | Red |
Visual measurement whether the kernel colours are the same or not.
Code | Term | Description |
---|---|---|
1 | Uniform | |
2 | Not uniform |
Visual measurement of the endosperm colour.
Code | Term | Description |
---|---|---|
1 | White | |
2 | Cream | |
3 | Pale yellow | |
4 | Yellow | |
5 | Orange | |
6 | White cap |
Visual measurement looking at longitudinal cut seed.
Code | Term | Description |
---|---|---|
1 | Comp. corneous | |
2 | Almost corneous | |
3 | Partly corneous | |
4 | Almost starchy | |
5 | Comp. starchy |
Weight of one thousand seeds adjusted to 10% moisture content.