- BBCH-scale (sunflower)
The BBCH-scale (sunflower) identifies the phenological development stages of sunflower ("Helianthus annuus"). It is a plant species specific version of the
BBCH-scale .1 Stem elongation may occur earlier than stage 19; in this case continue with the principal stage 3
References
cite journal
last = Lancashire
first = P.D.
coauthors = H. Bleiholder, P. Langeluddecke, R. Stauss, T. van den Boom, E. Weber, A. Witzen-Berger
title = An uniform decimal code for growth stages of crops and weeds.
journal = Ann. appl. Biol.
volume = 119
pages = 561–601.
date = 1991
doi = 10.1111/j.1744-7348.1991.tb04895.xcite journal
last = Weber
first = E.
coauthors = H. Bleiholder
title = Erläuterungen zu den BBCH-Dezimal-Codes für die Entwicklungsstadien von Mais, Raps, Faba-Bohne, Sonnenblume und Erbse - mit Abbildungen.
journal = Gesunde Pflanzen
volume = 42
pages = 308–321
date = 1990External links
* [http://www.bba.de/veroeff/bbch/bbcheng.pdf A downloadable version of the BBCH Scales]
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