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BBCH Code

Abbreviation for "Federal Biological Research Center, Federal Plant Variety Office and Chemical Industry". The BBCH code or the BBCH scale provides information about the morphological Development stage in growth cycle a plant and is used in scientific communication to the questions of plant development and the optimal or recommended use of fertilizer and crop protection measures in crops. Each of the ten main stages is divided into ten subdivisions. As early as 1977 Dr. med. KW Eichhorn and dr. H. Lorenz developed a system that described the development of the grapevine from hibernation to leaf fall in 47 stages. This system was then converted into the BBCH code in 1994. Only the number code was changed, the levels were preserved. The ten BBCH main stages are (in brackets the grapevine ):

BBCH main stages

  • 00-09 - Germination (development of the bud / germination)
  • 10-19 - Leaf development (leaf development)
  • 20-29 - tillering (does not apply to grapevines)
  • 30-39 - shooting (does not apply to grapevines)
  • 40-49 - Ear-swell (not applicable to grapevine)
  • 50-59 - Ear (forming the bills)
  • 60-69 - Blossom
  • 70-79 - fruit development (fruit development)
  • 80-89 - seed ripe (berry ripening)
  • 90-99 - Death of one year or entry into the dormancy of perennial plants

The grapevine-specific development macrostages in detail are:

0 - Hibernation . expulsion

  • 00 - dormancy: winter eyes pointed to round-arched, depending on the grape variety light to dark brown; Bud shed more or less closed depending on grape variety
  • 01 - onset of bud swelling: eyes begin to increase
  • 03 - End of bud swelling: buds swollen, but not yet green
  • 05 - Wool Stage: Wooly brown hair detail clearly visible
  • 07 - Beginning of bud break-up: green shoot tips become visible
  • 09 - Bud break-up: green shoot tips clearly visible

Hibernation, bud swelling, budding

1 - leaf development

  • 11 - first leaf unfolded and spread away from the shoot
  • 12 - two leaves unfolded
  • 13 - three leaves unfolded
  • 14-19 - more and more leaves unfolded

5 - Development of flowering plants ( flower bud )

  • 53 - Bills (inflorescences) clearly visible
  • 55 - Issues (inflorescences) increase; Single flowers are densely packed together
  • 57 - Bills (inflorescences) are fully developed; the individual flowers spread

6 - blossom

  • 60 - The first flower cap loosens from the flower bottom
  • 61 - Start of flowering: 10% of the flower toads discarded
  • 62 - 20% of the flower toads dropped
  • 63 - Pre-flowering: 30% of the flower toads discarded
  • 64 - 40% of the flower toads dropped
  • 65 - Full Bloom: 50% of the flower toads discarded
  • 66 - 60% of the flower toads dropped
  • 67 - 70% of the flower toads dropped
  • 68 - 80% of the flower toads dropped
  • 69 - End of flowering

Formation, shortly before flowering, flowering

7 - Fruit development logo CNRS logo INIST fruit set

  • 71 - ovary begin to enlarge; "Cleaning the berries" is completed
  • 73 - Berries are a grain of a grain; Grapes begin to lower
  • 75 - Berries are pea-sized; Hanging grapes
  • 77 - Beginning of the grapes circuit
  • 79 - End of grape conclusion

Fruit base, Véraison, Maturation

8 - fruit ripeness veraison . maturation . Engustment . physiological maturity

  • 81 - Beginning of ripening, berries begin to turn bright (or begin to discolor)
  • 83 - progression of berry whitening (or berry discoloration)
  • 85 - softening of the berries
  • 89 - Full ripeness of the berries (reading maturity)

9 - occurrence of dormancy leaf fall

  • 91 - After the harvest: completion of the wood maturity
  • 92 - Onset of foliage leaf discoloration
  • 93 - Beginning of the foliage leaf fall
  • 95 - 50% of the leaves fallen off
  • 97 - end of the leaf fall
  • 99 - Crop / Grape

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