In biology, the BBCH-scale for canola describes the phenological development of canola plants using the BBCH-scale.
The phenological growth stages and BBCH-identification keys of canola are:
1 Stem elongation may occur earlier than stage 19; in this case continue with stage 20
2 Visibly extended internode n develops between leaf n and leaf n+1
Video BBCH-scale (canola)
References
Weber, E.; H. Bleiholder (1990). "Erläuterungen zu den BBCH-Dezimal-Codes für die Entwicklungsstadien von Mais, Raps, Faba-Bohne, Sonnenblume und Erbse - mit Abbildungen". Gesunde Pflanzen. 42: 308-321.
Lancashire, P.D.; H. Bleiholder; P. Langeluddecke; R. Stauss; T. van den Boom; E. Weber; A. Witzen-Berger (1991). "A uniform decimal code for growth stages of crops and weeds". Ann. Appl. Biol. 119 (3): 561-601. doi:10.1111/j.1744-7348.1991.tb04895.x.
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