Cereal Growth
ZADOKS DECIMAL GROWTH STAGESFOR CEREALS |
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| Seedling | 10 | First leaf through celeoptile |
| 11 | First leaf unfolded | |
| 13 | 3 leaves unfolded | |
| 15 | 5 leaves unfolded | |
| Tillering | 21 | Main shoot and 1 tiller |
| 23 | Main shoot and 3 tillers | |
| 25 | Main shoot and 5 tillers | |
| 27 | Main shoot and 7 tillers | |
| 29 | Main shoot and 9 or more tillers | |
| Stem elongation | 30 | Ear at 1 cm (pseudostem erect) |
| 31 | 1st node detectable | |
| 32 | 2nd node detectable | |
| 33 | 3rd node detectable | |
| 37 | Tip of flag leaf visible | |
| 39 | Flag leaf blade all visible (ligule visible) | |
| Booting | 41 | Flag leaf sheath extending |
| 43 | Flag leaf sheath just visibly swollen | |
| 45 | Flag leaf sheath swollen | |
| 47 | Flag leaf sheath opening | |
| Ear emergence | 51 | 1st spikelet of ear just visible |
| 55 | Half of ear emerged | |
| 59 | Ear completely emerged | |
| Flowering | 61 | Start of flowering |
| 65 | Flowering half-way | |
| 69 | Flowering complete | |
| Milk development | 71 | Grain watery ripe |
| 73 | Early milk | |
| 75 | Medium milk | |
| 77 | Late milk | |
| Dough development | 83 | Early dough |
| 85 | Soft dough | |
| 87 | Hard dough | |
| Ripening | 91 | Grain hard (difficult to divide with thumbnail) |
| 92 | Grain hard (not dented by thumbnail) | |
| 93 | Grain loosening in daytime | |
