Growth stage |
Code |
Description
|
0: Germination
|
00 |
Dry seed
|
01 |
Beginning of imbibition: seeds begins to take up water
|
03 |
Seed imbibition complete (pellet cracked)
|
05 |
Radicle emerged from seed (pellet)
|
07 |
Shoot emerged from seed (pellet)
|
09 |
Emergence: shoot emerges through soil surface
|
1: Leaf development (youth stage)
|
10 |
First leaf visible (pinhead-size): cotyledons horizontally unfolded
|
11 |
First pair of leaves visible, not yet unfolded (pea-size)
|
12 |
2 leaves (first pair of leaves) unfolded
|
14 |
4 leaves (2nd pair of leaves) unfolded
|
15 |
5 leaves unfolded
|
1 . |
Stages continuous till ...
|
19 |
9 and more leaves unfolded
|
3: Rosette growth (crop cover)
|
31 |
Beginning of crop cover: leaves cover 10% of ground
|
32 |
Leaves cover 20% of ground
|
33 |
Leaves cover 30% of ground
|
34 |
Leaves cover 40% of ground
|
35 |
Leaves cover 50% of ground
|
36 |
Leaves cover 60% of ground
|
37 |
Leaves cover 70% of ground
|
38 |
Leaves cover 80% of ground
|
39 |
Crop cover complete: leaves cover 90% of ground
|
4: Development of harvestable vegetative plant parts Beet root
|
49 |
Beet root has reached harvestable size
|
5: Inflorescence emergence (2nd year of growth)
|
51 |
Beginning of elongation of main stem
|
52 |
Main stem 20 cm long
|
53 |
Side shoot buds visible on main stem
|
54 |
Side shoots clearly visible on main stem
|
55 |
First individual flower buds on side shoots visible
|
59 |
First bracts visible; flower buds still closed
|
6: Flowering
|
60 |
First flowers open
|
61 |
Beginning of flowering: 10% of flowers open
|
62 |
20% of flowers open
|
63 |
30% of flowers open
|
64 |
40% of flowers open
|
65 |
Full flowering: 50% of flowers open
|
67 |
Flowering declining: 70% of flowers open or dry
|
69 |
End of flowering: all flowers dry, fruit set visible
|
7: Development of fruit
|
71 |
Beginning of seed development: seeds visible in infructescence
|
75 |
Pericarp green; fruit still mouldable; perisperm milky; colour of seed coat: beige
|
8: Ripening
|
81 |
Beginning of ripening: pericarp green-brown, seed coat light brown
|
85 |
Pericarp light brown, seed coat reddish brown
|
87 |
Pericarp hard, seed coat dark brown
|
89 |
Fully ripe: seed coat final colour (specific to variety and species), perisperm hard
|
9: Senescence
|
91 |
Beginning of leaf discolouration
|
93 |
Most leaves yellowish
|
95 |
50% of leaves brownish
|
97 |
Leaves dead
|
99 |
Harvested product (seeds)
|