BBCH-scale (hop)


In biology, the BBCH-scale for hops describes the phenological development of Humulus lupulus using the BBCH-scale.
The phenological growth stages and BBCH-identification keys of hops are:
Growth stageCodeDescription
0: Sprouting00Dormancy: rootstock without shoots
0: Sprouting01Dormancy: rootstock without shoots
0: Sprouting07Rootstock with shoots
0: Sprouting08Beginning of shoot-growth
0: Sprouting09Emergence: first shoots emerge at the soil surface
1: Leaf development11First pair of leaves unfolded
1: Leaf development122nd pair of leaves unfolded
1: Leaf development133rd pair of leaves unfolded
1: Leaf development1.Stages continuous till...
1: Leaf development199 and more pairs of leaves unfolded
2: Formation of side shoots21First pair of side shoots visible
2: Formation of side shoots222nd pair of side shoots visible
2: Formation of side shoots233rd pair of side shoots visible
2: Formation of side shoots2.Stages continuous till...
2: Formation of side shoots29Nine and more pairs of side shoots visible
3: Elongation of bines31Bines have reached 10% of top wire height
3: Elongation of bines32Bines have reached 20% of top wire height
3: Elongation of bines33Bines have reached 30% of top wire height
3: Elongation of bines3.Stages continuous till...
3: Elongation of bines38Plants have reached the top wire
3: Elongation of bines39End of bine growth
5: Inflorescence emergence51Inflorescence buds visible
5: Inflorescence emergence55Inflorescence buds enlarged
6: Flowering61Beginning of flowering: about 10% of flowers open
6: Flowering62About 20% of flowers open
6: Flowering63About 30% of flowers open
6: Flowering64About 40% of flowers open
6: Flowering65Full flowering: about 50% of flowers open
6: Flowering66About 60% of flowers open
6: Flowering67About 70% of flowers open
6: Flowering68About 80% of flowers open
6: Flowering69End of flowering
7: Development of cones71Beginning of cone development: 10% of inflorescences are cones
7: Development of cones75Cone development half way: all cones visible, cones soft, stigmas still present
7: Development of cones79Cone development complete: nearly all cones have reached full size
8: Maturity of cones81Beginning of maturity: 10% of cones are compact
8: Maturity of cones8220% of cones are compact
8: Maturity of cones8330% of cones are compact
8: Maturity of cones8440% of cones are compact
8: Maturity of cones85Advanced maturity: 50% of cones are compact
8: Maturity of cones8660% of cones are compact
8: Maturity of cones8770% of cones are compact
8: Maturity of cones8880% of cones are compact
8: Maturity of cones89Cones ripe for picking: cones closed; lupulin golden; aroma potential fully developed
9: Senescence, entry into dormancy92Overripeness: cones yellow-brown discoloured, aroma deterioration
9: Senescence, entry into dormancy97Dormancy: leaves and stems dead