三个玫瑰香天竺葵流行品种不同采收期精油产量、成分和品质

Q4 Biochemistry, Genetics and Molecular Biology Journal of Applied Horticulture Pub Date : 2020-12-25 DOI:10.37855/JAH.2021.V23I01.04
D. Kumar, R. Padalia, P. Suryavanshi, A. Chauhan, P. P. Verma, K. Venkatesha, Rakesh Kumar, Saudan Singh, Amit Kr. Tiwari
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引用次数: 3

摘要

天竺葵精油价格昂贵,是一种具有重要经济价值的芳香植物。精油的产量和成分受遗传、农艺和环境因素的影响,但在成熟期,在不影响品质的情况下,白天合适的采收时间尚不清楚。本研究研究了波旁、Bio-G-171和cimm - pawan三个天竺葵品种在一天内不同采收期精油产量和成分的变化。在作物成熟期随机抽取3个品种的样品,在白天的不同时间(上午06点、上午10点、下午02点和下午06点)进行采收,以获得精油的产量和成分。结果表明,波旁挥发油产率在上午6点(0.18%)至下午6点(0.40%)显著增加,而Bio-G-171和cimm - pawan无显著增加。关于精油的质量,没有显著的定量变化在标记化合物被记录。香茅醇/香叶醇比率是根据行业需要制定的质量标准,结果显示,与白天的其他收获时间相比,下午Bourbon(1.85)和cam - pawan(1.73)和Bio-G-171(1.78)的比率较高。结果表明,Bourbon品种精油含量在白天显著增加,而Bio-G-171和CIM-Pawan品种精油含量无显著增加。在质量方面,考虑到碳重比,Bourbon和CIM-Pawan可以在下午采收,Bio-G-171最好在上午采收。
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Essential oil yield, composition and quality at different harvesting times in three prevalent cultivars of rose-scented geranium
Geranium is an economically important aromatic plant for its highly priced essential oil. The essential oil yield and composition is influenced by genetic, agronomical and environmental factors but at maturity, the right harvesting time during the day without affecting the quality is not clear. Present study was undertaken to study the change in essential oil yield and composition at different harvesting time during a day in three geranium cultivars i.e., Bourbon, Bio-G-171, and CIM-Pawan. Randomised samples from three cultivars were harvested at crop maturity stage to obtain oil yield and composition of essential oil at different times (06 A.M., 10 A.M., 02 P.M., and 06 P.M.) during the day. Results indicated that essential oil yield increased significantly from 06 A.M. (0.18 %) to 06 P.M. (0.40 %) in Bourbon only and not in Bio-G-171 and CIM-Pawan. With respect to quality of essential oils, no significant quantitative variations in marker compounds was recorded. Citronellol/geraniol ratio is a quality criteria as per industry need and results unveiled high ratio in Bourbon (1.85) and CIM-Pawan (1.73) in afternoon and in Bio-G-171 (1.78) during forenoon, compared with other harvesting time during the day. The study revealed that essential oil significantly increased in cultivar Bourbon during the day but not in Bio-G-171 and CIM-Pawan cultivars. With respect to quality, considering C/G ratio, one can go for harvesting in cultivar Bourbon and CIM-Pawan in the afternoon and for cultivar Bio-G-171, harvesting in forenoon is advisable.
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来源期刊
Journal of Applied Horticulture
Journal of Applied Horticulture Agricultural and Biological Sciences-Horticulture
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0.90
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期刊介绍: The Journal of Applied Horticulture (JAH) is an official publication of the Society for the Advancement of Horticulture, founded in 1999. JAH is a triannual publication, publishes papers of original work (or results), & rapid communications and reviews on all aspects of Horticultural Science which can contribute to fundamental and applied research on horticultural plants and their related products. The essential contents of manuscripts must not have been published in other refereed publications. Submission of a manuscript to the Journal implies no concurrent submission elsewhere.
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