BBCH-scale (bulb vegetable)

In biology, the BBCH-scale for bulb vegetables describes the phenological development of bulb vegetable plants, such as onion, leek, garlic and shallot, using the BBCH-scale.

The phenological growth stages and BBCH-identification keys of bulb vegetables are:

1 Seed sown
2 Onion sets, shallot and garlic
3 For onions, garlic
4 For leek

References

cite journal
last = Feller
first = C.
coauthors = H. Bleiholder, L. Buhr, H. Hack, M. Hess, R. Klose, U. Meier, R. Stauss, T. van den Boom, E. Weber
title = Phänologische Entwicklungsstadien von Gemüsepflanzen: I. Zwiebel-, Wurzel-, Knollen- und Blattgemüse. Nachrichtenbl. Deut.
journal = Pflanzenschutzd.
volume = 47
pages = 193–206
date = 1995