Growth Stages in Canola (Oilseed Rape) |
The descriptions of the growth stages of the decimal code for oilseed rape.
| 0 |
Germination |
5 |
Pod Development |
| 0,0 |
Dry seed |
5,0 |
Lowest pods more than 2 cm long |
| 0,1 |
--- |
5,1 |
10% potential pods more than 2 cm long |
| 0,2 |
Imbibed seed |
5,2 |
20% potential pods more than 2 cm long |
| 0,3 |
--- |
5,3 |
30% potential pods more than 2 cm long |
| 0,4 |
Radicle (root) emerged |
5,4 |
etc |
| 0,5 |
--- |
5,5 |
|
| 0,6 |
Hypocotyl emerged |
5,6 |
|
| 0,7 |
--- |
5,7 |
|
| 0,8 |
Cotyledons emerged |
5,8 |
|
| 0,9 |
--- |
5,9 |
All potential pods more than 2 cm long |
| |
|
|
|
| 1 |
Leaf Production |
6 |
Seed Development |
| 1,0 |
Both cotyledons unfolded and green |
|
The following descriptions should normally be applied to the lowest third of the raceme on the main stem |
| 1,1 |
First true leaf exposed |
6,1 |
Seed expanding |
| 1,2 |
Second true leaf exposed |
6,2 |
Most seeds translucent but full size |
| 1,3 |
Third true leaf exposed |
6,3 |
Most seeds green |
| 1,4 |
Fourth true leaf exposed |
6,4 |
Most seeds green - brown mottled |
| 1,5 |
Fifth true leaf exposed |
6,5 |
Most seeds brown |
| |
etc |
6,6 |
Most seeds dark brown |
| 1,10 |
About tenth true leaf exposed |
6,7 |
Most seeds black but soft |
| |
etc |
6,8 |
Most seeds black and hard |
| 1,15 |
About fifteenth true leaf exposed |
6,9 |
All seeds black and hard |
| |
|
|
|
| 2 |
Stem Extension |
7 |
Leaf Senescence |
| 2,0 |
No internodes detectable (“rosette”) |
|
|
| 2,1 |
One internode detectable |
|
No subdivisions identified for this growth stage |
| 2,2 |
Two internodes detectable |
|
|
| 2,3 |
Three internodes detectable |
8 |
Stem Senescence |
| |
etc |
|
|
| 2,10 |
Ten internodes detectable |
8,1 |
Most of stem green |
| |
|
8,2 |
|
| |
|
8,3 |
|
| |
|
8,4 |
|
| 3 |
Flower Bud Development |
8,5 |
Half of stem green |
| |
The following descriptions should normally be applied to the raceme on the main stem (ie the terminal branch) |
8,6 |
|
| 3,0 |
Only leaf buds present |
8,7 |
|
| 3,1 |
Flower buds present but enclosed by leaves |
8,8 |
|
| 3,2 |
--- |
8,9 |
Little of stem green |
| 3,3 |
Flower buds visible from above (“green bud”) |
|
|
| 3,4 |
Flower buds level with leaves |
9 |
Pod senescence |
| 3,5 |
Flower buds raised above leaves |
9,0 |
Most pods on main stem raceme green (lowest third) |
| 3,6 |
First flower stalks extending |
9,1 |
|
| 3,7 |
First flower buds yellow |
9,2 |
|
| 3,8 |
--- |
9,3 |
|
| 3,9 |
--- |
9,4 |
|
| |
|
9,5 |
Half pods on main stem raceme green |
| 4 |
Flowering |
9,6 |
|
| 4,0 |
First flower open |
9,7 |
|
| 4,1 |
10% all buds opened |
9,8 |
|
| 4,2 |
20% all buds opened |
9,9 |
Few pods on main stem raceme green |
| 4,3 |
30% all buds opened |
|
|
| 4,4 |
etc |
|
|
| 4,5 |
|
|
|
| 4,6 |
|
|
|
| 4,7 |
|
|
|
| 4,8 |
|
|
|
| 4,9 |
All viable buds on raceme opened |
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