| Code |
Principal growth stage 0: Germination and emergence |
 |
|
00 |
Dry Seed |
| 07 |
Shoot breaking through seed coat |
| 08 |
Shoot growing towards soil surface; hypocotyl arch visible |
| 09 |
Emergence: shoot breaks through soil surface |
YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY
| Code |
Principal growth stage 1: Leaf development |
11 First true leaf (with stipules) unfolded or first tendril developed 12 2 leaves (with stipules) unfolded or 2 tendrils developed 1.. Stages continuous until 19 9 or more leaves (with stipules) unfolded or 9 or more tendrils developed
| Code |
Principal growth stage 5: Inflorescence emergence |
51 First flower buds visible outside leaves (enclosed bud) 55 First separated flower buds visible outside leaves but still closed
| Code |
Principal growth stage 6: Flowering |
61 Beginning of flowering: 10% of flowers open 62 20% of flowers open 64 40% of flowers open 65 50% of flowers open (first pod) 67 Flowering declining 68 End of flowering
| Code |
Principal growth stage 7: Development of fruit |
75 50% of pods have reached typical length; 79 Pods have reached typical size (green ripe): peas fully formed
| Code |
Principal growth stage 8: Ripening of fruit and seed |
81 10% of pods ripe, seed final colour, dry and hard 88 80% of pods ripe, seed final colour, dry and hard (desiccation stage) 8.. Stages continuous until 89 Fully ripe: all pods dry and brown. Seeds dry and hard (dry ripe)
| Code |
Principal growth stage 9: Senescence |
97 Plant dead and dry 99 Harvested product Source: Extract from the internationally recognised BBCH crop growth stage key (BBCH - Biologische Bundesanstalt, Bundessortenamt and CHemical industry).