In biology, the BBCH-scale for hops describes the phenological development of Humulus lupulus (hops) using the BBCH-scale.
The phenological growth stages and BBCH-identification keys of hops are:
Growth stage | Code | Description |
---|---|---|
0: Sprouting | 00 | Dormancy: rootstock without shoots (uncut) |
01 | Dormancy: rootstock without shoots (cut) | |
07 | Rootstock with shoots (uncut) | |
08 | Beginning of shoot-growth (rootstock cut) | |
09 | Emergence: first shoots emerge at the soil surface | |
1: Leaf development | 11 | First pair of leaves unfolded |
12 | 2nd pair of leaves unfolded (beginning of twining) | |
13 | 3rd pair of leaves unfolded | |
1 . | Stages continuous till ... | |
19 | 9 and more pairs of leaves unfolded | |
2: Formation of side shoots | 21 | First pair of side shoots visible |
22 | 2nd pair of side shoots visible | |
23 | 3rd pair of side shoots visible | |
2 . | Stages continuous till ... | |
29 | Nine and more pairs of side shoots visible (secondary side shoots occur) | |
3: Elongation of bines | 31 | Bines have reached 10% of top wire height |
32 | Bines have reached 20% of top wire height | |
33 | Bines have reached 30% of top wire height | |
3 . | Stages continuous till ... | |
38 | Plants have reached the top wire | |
39 | End of bine growth | |
5: Inflorescence emergence | 51 | Inflorescence buds visible |
55 | Inflorescence buds enlarged | |
6: Flowering | 61 | Beginning of flowering: about 10% of flowers open |
62 | About 20% of flowers open | |
63 | About 30% of flowers open | |
64 | About 40% of flowers open | |
65 | Full flowering: about 50% of flowers open | |
66 | About 60% of flowers open | |
67 | About 70% of flowers open | |
68 | About 80% of flowers open | |
69 | End of flowering | |
7: Development of cones | 71 | Beginning of cone development: 10% of inflorescences are cones |
75 | Cone development half way: all cones visible, cones soft, stigmas still present | |
79 | Cone development complete: nearly all cones have reached full size | |
8: Maturity of cones | 81 | Beginning of maturity: 10% of cones are compact |
82 | 20% of cones are compact | |
83 | 30% of cones are compact | |
84 | 40% of cones are compact | |
85 | Advanced maturity: 50% of cones are compact | |
86 | 60% of cones are compact | |
87 | 70% of cones are compact | |
88 | 80% of cones are compact | |
89 | Cones ripe for picking: cones closed; lupulin golden; aroma potential fully developed | |
9: Senescence, entry into dormancy | 92 | Overripeness: cones yellow-brown discoloured, aroma deterioration |
97 | Dormancy: leaves and stems dead |
Humulus, hop, is a small genus of flowering plants in the family Cannabaceae. The hop is native to temperate regions of the Northern Hemisphere. Hops are the female flowers of the hop species H. lupulus; as a main flavor and aroma ingredient in many beer styles, H. lupulus is widely cultivated for use by the brewing industry.
Humulus lupulus, the common hop or hops, is a species of flowering plant in the hemp family Cannabaceae, native to Europe, western Asia and North America. It is a perennial, herbaceous climbing plant which sends up new shoots in early spring and dies back to a cold-hardy rhizome in autumn. It is dioecious.
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