Response of growth and active ingredients of Lavandula angustifolia plant to some bio-fertilization treatments

Document Type : Original Article

Authors

Department of Horticulture, Faculty of Agriculture, Al-Azhar University, Cairo, Egypt.

Abstract

This study had been carried at the Horticulture Department, Faculty of Agriculture, Al- Azhar University, Nasr City during the two successive seasons, (2020/2021) and (2021/ 2022). The objective of this study is to investigate the effect of different bio-fertilization treatments (Aztobacter, Bacillus and VAM) on vegetative growth, essential oil percentage and chemical constituents of lavandula angustifolia plant.
Lavender plants which received mixture of bio fertilization (AZ+BC+BM+VAM) produced the biggest mean values of plant height , dry weight and essential oil percentage and its major constituents, followed by those treated with (AZ+BC+VAM) and then come plants treated with (AZ+VAM), while the untreated plant gave the lowest values of plant height.
GLC analysis essential oil of lavender shows that there is a clear difference in the composition of oil at the second season than that of the first season. At the first season the main constituents were recognized as camphor followed by eucalyptol, endo-borneol , β-Cymene, α-pinene and β-pinene. In the second GC-MS analyses showed the appearance of some compounds such as Linalool and terbineol and the absence of some other compounds such as camphor.

Keywords

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Al-Azhar Journal of Agricultural Research
Volume 48, Issue 3 - Serial Number 3
Special Issue: Agriculture and Futuristic Challenges (Food Security: Challenges and Confrontation)
October 2023
Pages 20-33

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