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beans beginning to fill out 1 Main pod development period 2. 76: 60% of pods have reached typical length 1: 77: 70% of pods have reached typical length, pods still break cleanly 1: 78: 80% of pods have reached typical length 1: 79: Pods: individual beans easily visible 1: 8: Ripening of fruit and seed: 81: 10% of pods ripe (beans hard)1. Seeds ...
Pair of scale leaves visible (may be eaten or lost) 11: First leaf unfolded 12: 2 leaves unfolded 13: 3 leaves unfolded 1 . Stages continuous till ... 19: 9 or more leaves unfolded 2: Formation of side shoots 20: No side shoots 21: Beginning of side shoot development: first side shoot detectable 22: 2 side shoots detectable 23: 3 side shoots ...
The Feekes scale is a system to identify the growth and development of cereal crops introduced by the Dutch agronomists Willem Feekes (1907-1979) in 1941. [ 1 ] [ 2 ] This scale is more widely used in the United States [ 3 ] than other similar and more descriptive [ 4 ] [ 5 ] scales such as the Zadoks scale or the BBCH scale .
The BBCH-scale uses a decimal code system, which is divided into principal and secondary growth stages, and is based on the cereal code system (Zadoks scale) developed by Jan Zadoks. [2] The abbreviation BBCH derives from the names of the originally participating stakeholders: "Biologische Bundesanstalt, Bundessortenamt und CHemische Industrie".
In biology, the BBCH-scale for leafy vegetables forming heads describes the phenological development of leafy vegetables forming heads, such as cabbage, chinese cabbage, lettuce and endive, using the BBCH-scale. The phenological growth stages and BBCH-identification keys of leafy vegetables forming heads are:
In biology, the BBCH-scale for other brassica vegetables describes the phenological development of vegetables such as brussels sprouts, cauliflower and broccoli using the BBCH-scale. The phenological growth stages and BBCH-identification keys of other brassica vegetables are:
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In biology, the BBCH-scale for leafy vegetables not forming heads describes the phenological development of leafy vegetables not forming heads, such as spinach, loosehead lettuce, and kale, using the BBCH-scale. The phenological growth stages and BBCH-identification keys of leafy vegetables not forming heads are: