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CSIR-<strong>IHBT</strong> <strong>Annual</strong> <strong>Report</strong> 2010-11Table 15 Effect of FYM application on circumference and diameter of G. biloba plant at ground levelFYM (t/ha) Plant circumference (cm) Plant diameter (cm)0 14.8 7.415 18.8 9.430 16.7 8.445 18.4 9.260 18.2 9.1LSD (P=0.05) NS NSLAVENDER (Lavandula angustifolia)The plant samples collected from district Chamba (H.P.) were steam distilled at Jassaurgargh andPritmas villages during June, 2010 for extraction of oil. The chemical constituents were analysedby GC-MS (Table 16).Table 16 Lavender oil compositionConstituent Content (%)PritmasJassaurgarhβ-Phellandrene 3.76 2.04Limonene + 1,8 Cineole 1.44 0.80cis-β-Ocimene 1.67 1.15trans-β-Ocimene 1.82 2.05Linalool 19.37 25.211-Octen-3-yl acetate 1.14 0.97Borneol 2.41 2.26Terpine-4-ol 0.74 1.00α-Terpineol 2.37 3.31Linalyl acetate 36.86 36.83Lavandulyl acetate 1.71 2.31Neryl acetate 0.90 1.03Geranyl acetate 1.56 1.82β-Caryophyllene 9.61 6.28cis-β-Farnesene 2.27 1.97Germacrene D 1.10 0.57Caryophyllene oxide 1.46 0.98Extraction of volatile oil was carried out by different hydrodistillation techniques. Waterdistillation (WD) produced higher yield of oil (1.6%) than water-steam distillation (WSD) (1.1%)and steam distillation (SD) (0.9%). Comparative essential oil composition in GC and GC-MSanalysis revealed higher content of monoterpene hydrocarbons (10%) and sesquiterpenes (10.3%)48
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