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BBCH Code

Abbreviation for "Federal Biological Institute, Federal Plant Variety Office and Chemical Industry". The BBCH code or the BBCH scale provides information about this morphological Stage of development in growth cycle a plant and serves in scientific communication the questions of plant development and the optimal or recommended use of fertilizer and plant protection measures in crop cultivation. Each of the ten main stages is divided into ten sub-stages. In 1977 Dr. KW Eichhorn and Dr. H. Lorenz developed a system that described the development of the vine from hibernation to falling leaves in 47 stages. This system was then transferred to the BBCH code in 1994. Only the number code was changed, the levels were retained. The ten main BBCH 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 - Shots (does not apply to grapevines)
  • 40-49 - Ear thresholds (does not apply to grapevines)
  • 50-59 - Ear spinning (making the bills)
  • 60-69 - bloom
  • 70-79 - fruit development (fruit development)
  • 80-89 - ripening of seeds (ripeness of berries)
  • 90-99 - annual plants die off or vegetation dormancy begins

The vine-specific development macro stages in detail are:

0 - Hibernation . expulsion

  • 00 - Tranquility: Winter eyes pointed to arched, light to dark brown depending on the grape variety; Bud scales more or less closed depending on the grape variety
  • 01 - Bud swelling begins: eyes begin to enlarge
  • 03 - end of bud swelling: buds swollen but not yet green
  • 05 - Wool stage: wool-like brown hair trim clearly visible
  • 07 - Beginning of bud opening: green shoot tips become visible
  • 09 - Bud opening: green shoot tips clearly visible

Hibernation, swelling of buds, sprouting

1 - leaf development

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

5 - Development of the flowering plants ( flower bud )

  • 53 - Notes (inflorescences) clearly visible
  • 55 - banknotes (inflorescences) increase; Single flowers are crowded together
  • 57 - Notes (inflorescences) are fully developed; the single flowers spread

6 - blossom

  • 60 - The first flower caps detach from the flower base
  • 61 - Beginning of flowering: 10% of the flower caps thrown off
  • 62 - 20% of the flower caps thrown off
  • 63 - Pre-flowering: 30% of the flower caps thrown off
  • 64 - 40% of the flower caps thrown off
  • 65 - Full bloom: 50% of the flower caps thrown off
  • 66 - 60% of the flower caps thrown off
  • 67 - 70% of the flower caps thrown off
  • 68 - 80% of the flower caps thrown off
  • 69 - end of flowering

Formation, shortly before flowering, flowering

7 - Fruit development fruit set

  • 71 - ovaries begin to enlarge; "Cleaning the Berries" is completed
  • 73 - Berries are the size of a shot; Grapes start to sink
  • 75 - Berries are the size of a pea; Hanging grapes
  • 77 - Beginning of the grapes circuit
  • 79 - end of grape closure

Fruit set, veraison, maturation

8 - ripening = veraison . maturation . Engustment . physiological maturity

  • 81 - Ripening begins, berries start to become light (or start to change color)
  • 83 - progress of berry lightening (or berry discoloration)
  • 85 - Softening of the berries
  • 89 - fully ripe berries (readiness)

9 - Occurrence of dormancy leaf fall

  • 91 - After the harvest: completion of maturation
  • 92 - Start of leaf discoloration
  • 93 - Beginning of the leaf fall
  • 95 - 50% of the leaves have fallen off
  • 97 - End of leaf fall
  • 99 - Crops / grapes

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