在北阿坎德邦杜恩河谷农业气候条件下，物候期对牛至（牛至属植物）产量和品质的影响
Influence of Phenological Stages on Yield and Quality of Oregano (Origanum vulgare L.) Under the Agroclimatic Condition of Doon Valley (Uttarakhand).
作者信息
Chauhan N K, Singh S, Haider S Z, Lohani H
机构信息
Centre for Aromatic Plants, Industrial Estate, Selaqui, Dehradun - 248 197, India.
出版信息
Indian J Pharm Sci. 2013 Jul;75(4):489-93. doi: 10.4103/0250-474X.119824.
A field experiment was conducted under the agroclimatic conditions of Doon valley, in order to determine the effects of phenological stages on herbage yield and quality of oil in oregano (Origanum vulgare L.). Plants were harvested in five phenological stages, i.e. early vegetative, late vegetative, flower initiation, full bloom, and fruit set stages. Results showed the significant effects of phenological stages on herbage, yield, and quality of oregano. Harvesting at full bloom stage showed better results in terms of herbage and oil yield. The quality of essential oil was evaluated using GC and GC/MS. Thymol content was rich in all the stages (46.90-62.26%) followed by γ-terpinene (1.11-11.75%) and p-cymene (3.11-5.32%).
为了确定物候期对牛至（牛至属植物）牧草产量和含油量的影响，在杜恩河谷的农业气候条件下进行了田间试验。在五个物候期收获植物，即营养生长早期、营养生长后期、花芽分化期、盛花期和坐果期。结果表明，物候期对牛至的牧草产量和品质有显著影响。在盛花期收获在牧草产量和含油量方面表现出更好的结果。使用气相色谱法（GC）和气相色谱 - 质谱联用仪（GC/MS）对精油质量进行了评估。所有阶段中百里香酚含量都很高（46.90 - 62.26%），其次是γ - 萜品烯（1.11 - 11.75%）和对伞花烃（3.11 - 5.32%）。
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