# BBCH-scale (Musaceae)

In biology, the BBCH-scale for musaceae describes the phenological development of musaceae using the BBCH-scale.
The phenological growth stages and BBCH-identification keys of musaceae are:
| Growth stage | Code | Code | Code | Description |
| Growth stage | 2 digit | 3 digit | 4 digit | Description |
| 0: Sprouting or emergence | 00 | 000 | 0000 | Recently planted material (plants from tissue cultures and corns) without visible growth |
| 0: Sprouting or emergence | 05 | 005 | 0005 | Emergence of the 1st new leaf in plants from tissue cultures or of the foliar shoot of the corn |
| 1: Leaf development | 10 | 100 | 1000 | Formation of the 1st leaf of the planted corn or the candela leaf in tissue culture plants (candela stage 0) |
| 1: Leaf development | 10 | 100 | 1002 | Leaf 1 at candela stage 2 |
| 1: Leaf development | 10 | 100 | 1004 | Leaf 1 at candela stage 4 |
| 1: Leaf development | 10 | 100 | 1006 | Leaf l at candela stage 6 |
| 1: Leaf development | 10 | 100 | 1008 | Leaf l at candela stage 8 |
| 1: Leaf development | 11 | 101 | 1010 | One leaf completely open and the youngest leaf at candela stage 0 |
| 1: Leaf development | 11 | 101 | 1012 | One leaf completely open and the youngest leaf at candela stage 2 |
| 1: Leaf development | 11 | 101 | 1014 | One leaf completely open and the youngest leaf at candela stage 4 |
| 1: Leaf development | 11 | 101 | 1016 | One leaf completely open and the youngest leaf at candela stage 6 |
| 1: Leaf development | 11 | 101 | 1018 | One leaf completely open and the youngest leaf at candela stage 8 |
| 1: Leaf development | 12 | 102 | 1020 | Two leaves completely open and the youngest leaf at candela stage 0 |
| 1: Leaf development | 12 | 102 | 1022 | Two leaves completely open and the youngest leaf at candela stage 2 |
| 1: Leaf development | 12 | 102 | 1024 | Two leaves completely open and the youngest leaf at candela stage 4 |
| 1: Leaf development | 12 | 102 | 1026 | Two leaves completely open and the youngest leaf at candela stage 6 |
| 1: Leaf development | 12 | 102 | 1028 | Two leaves completely open and the youngest leaf at candela stage 8 |
| 1: Leaf development | 13 | 103 | 1030 | Three leaves completely open and the youngest leaf at candela stage 0 |
| 1: Leaf development | 13 | 103 | 1032 | Three leaves completely open and the youngest leaf at candela stage 2 |
| 1: Leaf development | 13 | 103 | 1034 | Three leaves completely open and the youngest leaf at candela stage 4 |
| 1: Leaf development | 13 | 103 | 1036 | Three leaves completely open and the youngest leaf at candela stage 6 |
| 1: Leaf development | 13 | 103 | 1038 | Three leaves completely open and the youngest leaf at candela stage 8 stages continue till... |
| 1: Leaf development | 19 | 109 | 1090 | 9 or more leaves (only 2 digit code ) or nine leaves completely open and the youngest leaf at candela stage 0 |
| 1: Leaf development | 19 | 109 | 1092 | Nine leaves completely open and the youngest leaf at candela stage 2 |
| 1: Leaf development | 19 | 109 | 1094 | Nine leaves completely open and the youngest leaf at candela stage 4 |
| 1: Leaf development | 19 | 109 | 1096 | Nine leaves completely open and the youngest leaf at candela stage 6 |
| 1: Leaf development | 19 | 109 | 1098 | Nine leaves completely open and the youngest leaf at candela stage 8 stages continue till... |
| 1: Leaf development | 19 | 119 | 1190 | Nineteen or more leaves completely open and the youngest leaf at candela stage 0 |
| 1: Leaf development | 19 | 119 | 1192 | Nineteen or more leaves completely open and the youngest leaf at candela stage 2 |
| 1: Leaf development | 19 | 119 | 1194 | Nineteen or more leaves completely open and the youngest leaf at candela stage 4 |
| 1: Leaf development | 19 | 119 | 1196 | Nineteen or more leaves completely open and the youngest leaf at candela stage 6 |
| 1: Leaf development | 19 | 119 | 1198 | Nineteen or more leaves completely open and the youngest leaf at candela stage 8 |
| 2: Sucker formation | 21 | 201 | 2010 | 1st sucker with visible leaf |
| 2: Sucker formation | 21 | 201 | 2011 | 1st sucker with visible sword leaf |
| 2: Sucker formation | 21 | 201 | 2012 | 1st sucker with visible water leaf |
| 2: Sucker formation | 22 | 202 | 2020 | 2nd sucker with visible leaf |
| 2: Sucker formation | 22 | 202 | 2021 | 2nd sucker with visible sword leaf |
| 2: Sucker formation | 22 | 202 | 2022 | 2nd sucker with visible water leaf |
| 2: Sucker formation | 23 | 203 | 2030 | 3rd sucker with visible leaf |
| 2: Sucker formation | 23 | 203 | 2031 | 3rd sucker with visible sword leaf |
| 2: Sucker formation | 23 | 203 | 2032 | 3rd sucker with visible water leaf stages continue till... |
| 2: Sucker formation | 29 | 209 | 2090 | nine or more suckers with visible leaf |
| 2: Sucker formation | 29 | 209 | 2091 | nine or more suckers with visible sword leaf |
| 2: Sucker formation | 29 | 209 | 2092 | nine or more suckers with visible water leaf |
| 3: Pseudostem elongation | 35 | 305 | 3050 | The pseudostem reaches 50% of its typical thickness and length according to the genome or clone |
| 3: Pseudostem elongation | 39 | 309 | 3090 | The maximum length and thickness of the pseudostem are reached according to the genome or clone and the formation of new leaves of normal size has been terminated |
| 4: Leaf development of the sucker (sword sucker) | 40 | 400 | 4000 | Sub-phase of dependent growth: the sucker becomes visible and develops the leaf shoot |
| 4: Leaf development of the sucker (sword sucker) | 41 | 401 | 4011 | Development of the 1st lanceolate leaf |
| 4: Leaf development of the sucker (sword sucker) | 41 | 401 | 4012 | Development of the 2nd lanceolate leaf |
| 4: Leaf development of the sucker (sword sucker) | 41 | 401 | 4013 | Development of the 3rd lanceolate leaf |
| 4: Leaf development of the sucker (sword sucker) | 41 | 401 | 4014 | Development of the 4th lanceolate leaf |
| 4: Leaf development of the sucker (sword sucker) | 41 | 401 | 4015 | Development of the 5th lanceolate leaf |
| 4: Leaf development of the sucker (sword sucker) | 41 | 401 | 4016 | Development of the 6th lanceolate leaf |
| 4: Leaf development of the sucker (sword sucker) | 41 | 401 | 4017 | Development of the 7th lanceolate leaf |
| 4: Leaf development of the sucker (sword sucker) | 41 | 401 | 4018 | Development of the 8th lanceolate leaf |
| 4: Leaf development of the sucker (sword sucker) | 41 | 401 | 4019 | Development of the 9th or more lanceolate leaves |
| 4: Leaf development of the sucker (sword sucker) | 45 | 405 | 4050 | Sub-phase of independent growth: leaves of c. 10 cm width are developed (original leaf/zero leaf/F10) |
| 4: Leaf development of the sucker (sword sucker) | 45 | 405 | 4051 | Development of the 1st leaf of c. 10 cm width |
| 4: Leaf development of the sucker (sword sucker) | 45 | 405 | 4052 | Development of the 2nd leaf of c. 10 cm width |
| 4: Leaf development of the sucker (sword sucker) | 45 | 405 | 4053 | Development of the 3rd leaf of c. 10 cm width |
| 4: Leaf development of the sucker (sword sucker) | 45 | 405 | 4054 | Development of the 4th leaf of c. 10 cm width |
| 4: Leaf development of the sucker (sword sucker) | 45 | 405 | 4055 | Development of the 5th leaf of c. 10 cm width |
| 4: Leaf development of the sucker (sword sucker) | 45 | 405 | 4056 | Development of the 6th leaf of c. 10 cm width |
| 4: Leaf development of the sucker (sword sucker) | 45 | 405 | 4057 | Development of the 7th leaf of c. 10 cm width |
| 4: Leaf development of the sucker (sword sucker) | 45 | 405 | 4058 | Development of the 8th leaf of c. 10 cm width |
| 4: Leaf development of the sucker (sword sucker) | 45 | 405 | 4059 | Development of the 9th or more leaves of c. 10 cm width |
| 4: Leaf development of the sucker (sword sucker) | 49 | 409 | 4090 | End of this phase is reached with the development of the first leaf with characteristics of the genome or clone (length width ratio, leaf surface index). Beginning of synchronised development of "normal" leaves (FM) |
| 5: Emergence of inflorescence | 50 | 500 | 5000 | The development of new normal leaves has been terminated and the flower bract emergence |
| 5: Emergence of inflorescence | 51 | 501 | 5010 | Flower bract at candela stage 2 |
| 5: Emergence of inflorescence | 52 | 502 | 5020 | Flower bract at candela stage 4 |
| 5: Emergence of inflorescence | 53 | 503 | 5030 | Flower bract at candela stage 6 |
| 5: Emergence of inflorescence | 54 | 504 | 5040 | Flower bract at candela stage 8 |
| 5: Emergence of inflorescence | 55 | 505 | 5050 | Flower bract completely open |
| 5: Emergence of inflorescence | 59 | 509 | 5090 | Emergence of the last bract leaf or first sterile bract protecting the flower |
| 6: Flowering | 60 | 600 | 6000 | The stage begins with the emergence of the flower protected by the last bract leaf (1st sterile bract) |
| 6: Flowering | 61 | 601 | 6010 | A bract which does not protect any hand of flowers rises (2nd sterile bract) and the rachis or flower stalk takes a pendulum position |
| 6: Flowering | 62 | 602 | 6020 | The bract rises which protects the first hand of female or pistillate flowers |
| 6: Flowering | 63 | 603 | 6030 | The bract rises which protects the second hand of female or pistillate flowers |
| 6: Flowering | 64 | 604 | 6040 | The bract rises which protects the third hand of female or pistillate flowers |
| 6: Flowering | 65 | 605 | 6050 | Full bloom: at least 50% of the hands of females flowers are developed |
| 6: Flowering | 69 | 609 | 6090 | The bracts which protect the hands wither and fall off and the fingers are bent into a direction perpendicular to the rachis |
| 7: Development of the fruit | 70 | 700 | 7000 | At least 50% of the fingers show an upwards curvature and the fruits (fingers) begin to fill |
| 7: Development of the fruit | 71 | 701 | 7010 | Total exposure of the fingers or female flowers (protective bracts fallen off or bent and withered above the hands) |
| 7: Development of the fruit | 72 | 702 | 7020 | The fingers of the hands show the characteristic curvature of the fruit (upwards and almost parallel to the axis or rachis) |
| 7: Development of the fruit | 73 | 703 | 7030 | From the first two hands up to 30% of the hands have reached the maximum thickness of the fruit |
| 7: Development of the fruit | 74 | 704 | 7040 | Up to 40% of the hands have reached the maximum thickness of the fruit |
| 7: Development of the fruit | 75 | 705 | 7050 | Up to 50% of the hands have reached the maximum thickness of the fruit |
| 7: Development of the fruit | 76 | 706 | 7060 | Up to 60% of the hands have reached the maximum thickness of the fruit |
| 7: Development of the fruit | 77 | 707 | 7070 | Up to 70% of the hands have reached the maximum thickness of the fruit |
| 7: Development of the fruit | 78 | 708 | 7080 | Up to 80% of the hands have reached the maximum thickness of the fruit |
| 7: Development of the fruit | 79 | 709 | 7090 | All hands have reached the maximum thickness of the fruit and no hand shows a loss of weight |
| 8: Ripening of the fruit | 80 | 800 | 8000 | Ripening starts when the fruit has reached the maximum thickness, begins to lose weight and shows changes of the colour by which the degrees of maturity are defined |
| 8: Ripening of the fruit | 81 | 801 | 8010 | Degree of maturity 1: green. Normal colour of the fresh fruit |
| 8: Ripening of the fruit | 82 | 802 | 8020 | Degree of maturity 2: tinge of yellow. First modification of colour during the ripening cycle |
| 8: Ripening of the fruit | 83 | 803 | 8030 | Degree of maturity 3: more green than yellow |
| 8: Ripening of the fruit | 84 | 804 | 8040 | Degree of maturity 4: more yellow than green |
| 8: Ripening of the fruit | 85 | 805 | 8050 | Degree of maturity 5: tinge of green |
| 8: Ripening of the fruit | 86 | 806 | 8060 | Degree of maturity 6: all yellow |
| 8: Ripening of the fruit | 87 | 807 | 8070 | Degree of maturity 7: yellow with brown specks. Fruit is completely ripe, has the best flavour and a high nutritive value |
| 8: Ripening of the fruit | 88 | 808 | 8080 | Degree of maturity 8: 20–50% of surface discoloured brown or spoiled |
| 8: Ripening of the fruit | 89 | 809 | 8090 | Degree of maturity 9: More than 50% of the surface of the fruits is discoloured brown and spoiled |
| Principal stage 9: Senescence and death | 90 | 900 | 9000 | More than 50% of the surface of the fruits are discoloured brown |
| Principal stage 9: Senescence and death | 91 | 901 | 9010 | The leaves the plant shows have died off acropetally and the male flowers have withered, are necrotic and/or have fallen off |
| Principal stage 9: Senescence and death | 93 | 903 | 9030 | Total rot and necrosis of the fruits |
| Principal stage 9: Senescence and death | 95 | 905 | 9050 | Degeneration (necrosis) of the flower |
| Principal stage 9: Senescence and death | 97 | 907 | 9070 | The sheaths enclosed in the pseudostem become brittle which indicates the beginning of necrosis of the pseudostem. The pseudostem turns to be brown |
| Principal stage 9: Senescence and death | 98 | 908 | 9080 | Total decomposition of the tissues and fall down of the pseudostem |
* Harvested product
* post-harvest or storage treatments take place at stage 99, 909 or 9090