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Influence of day length and leaf insertion on the composition of marjoram essential oil

✍ Scribed by G. Circella; Ch. Franz; J. Novak; H. Resch

Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
285 KB
Volume
10
Category
Article
ISSN
0882-5734

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✦ Synopsis

Abstract

The influence of the photoperiod on the growth and quality of marjoram, Origanum majorana L., showed it to be a long‐day plant, as upright growth and flower formation were observed only at a day length of at least 13 h. The day length also influenced the composition of the essential oil; cis‐sabinene hydrate, the main component, was produced in larger quantities in plants grown under 16 h light conditions than in those grown with a day length of 13 h and 10 h, whereas the content of terpinenes decreased with increasing day length. Regarding the leaf position, lower (older) leaves contained an essential oil with a relatively higher terpinene concentration.

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