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) |