Effect of Some Plant Extracts on Mentha longifolia, Lavandula officinalis and Mentha piperita
Keywords:
Mentha longifolia, Lavandula officinalis, Mentha piperita, ginger, neem, garlicAbstract
This study was carried out during two successive seasons (2020/2021and 2021/2022). It included three experiments, First Experiment: Effect of ginger extract (0, 2, 4, 6 and 8 mg/l) on Mentha longifolia, Second Experiment: Effect of neem extract (0, 1, 2, 3 and 4 mg/l) on Lavandula officinalis and Third Experiment: Effect of garlic extract (0, 1.5, 3, 4.5 and 6 mg/l) on Mentha piperita. The results indicated
that these extracts had a pronounced effect on all traits under study. The main components of lavender essential oil were camphor, linalool and eucalyptol. Menthol, menthone and menthyl acetate were the major components of Mentha piperita. Moreover the main constituents of Mentha longifolia were Cispiperitone oxide, Pulegone and Piperitenone.