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The influence of water stress on plant height, herbal and essential oil yield and composition in Satureja hortensis L.
Author(s) -
Baher Zahra F.,
Mirza Mehdi,
Ghorbanli Mahlega,
Bagher Rezaii Mohamad
Publication year - 2002
Publication title -
flavour and fragrance journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.393
H-Index - 70
eISSN - 1099-1026
pISSN - 0882-5734
DOI - 10.1002/ffj.1097
Subject(s) - carvacrol , essential oil , chemistry , dry weight , water stress , steam distillation , horticulture , composition (language) , botany , food science , biology , linguistics , philosophy
The influence of soil water stress on plant height, fresh and dry weight and essential oil content of Iranian Satureja hortensis L. was investigated. The volatile constituents of the aerial parts of cultivated S. hortensis were isolated by steam distillation and analysed by GC–MS. The results showed that greater soil water stress decreased plant height and total fresh and dry weight. The accumulation of oil increased significantly under severe water stress at the flowering stage, when the mean leaf water potential decreased from −0.5 to −1.6 MPa. This treatment affected the quantity of the essential oils more than moderate water stress during the vegetative and flowering stages. The main oil constituents are carvacrol and γ‐terpinene. The amount of carvacrol increased under moderate stress, while γ‐terpinene content decreased under moderate and severe water stress treatments. Copyright © 2002 John Wiley & Sons, Ltd.