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首页> 外文期刊>Biotechnologie, Agronomie Societe et Environnement >Interspecific hybridization effect on the content and the chemical composition of essential oils of eucalyptus grown in Morocco
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Interspecific hybridization effect on the content and the chemical composition of essential oils of eucalyptus grown in Morocco

机译：种间杂交对摩洛哥种植的桉树精油含量和化学成分的影响

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摘要

In this work, the quality and quantity of the essential oils from the leaves of five Eucalyptus hybrids were determined. The crosses between E. camaldulensis and E. globulus subsp. maideni, E. globulus subsp. globulus, E. grandis, E. cladocalyx andE. diversificolor were studied. The average essential oil yield of parental samples varied according to species. It was 3.4% for E. globulus subsp. maideni, 2.5% for E. globulus subsp. globulus and 1.6% for E. diversicolor. E. camaldulensis, E. grandis and E. cladocalyx were characterized by an average yield less than 1%, i.e. 0.8, 0.4 and 0.3%, respectively. The average yields of the hybrids E. camaldulensis x E. globulus subsp. maideni and E. camaldulensis x E. diversicolor were 2.9 and 1.4% respectively. The combinations E. camaldulensis x E. globulus subsp. globulus, E. camaldulensis x E. cladocalyx and E. camaldulensis x E. grandis were characterized by the lowest yields, i.e. 1, 0.8 and 0.8% respectively. Chemical composition analysis showed thatthe hybrids E. camaldulensis x E. globulus subsp. maideni has > 70% 1,8-cineole, which is required by the users. Compared to E. camaldulensis, the essential oils of the other crosses reveal a slight decrease in percentage of this product. However, increases in the alpha-pinene and p-cymene contents were recorded. In general, the average percentages of all products detected in essential oils were intermediate between those of the parental species. Hybridization of eucalyptus can improve the quality andthe quantity of eucalyptus essential oils.
机译：在这项工作中，确定了五个桉树杂种的叶子中精油的质量和数量。卡马尔杜氏大肠杆菌和球藻亚种之间的杂交。 maideni，E。globulus亚种。 globulus，E。grandis，E。cladocalyx和E.研究了多种颜色。亲本样品的平均精油产量因物种而异。球孢亚种为3.4％。 maideni，E。globulus亚种为2.5％。球和1.6％的E. diversicolor。 Camaldulensis，E。grandis和E. cladocalyx的特征在于平均产量分别低于1％，即分别为0.8％，0.4％和0.3％。杂种E. camaldulensis x E. globulus亚种的平均产量。 maideni和E. camaldulensis x E. diversicolor分别为2.9％和1.4％。组合卡氏大肠杆菌x球藻亚种。球形，E。camaldulensis x E. cladocalyx和E. camaldulensis x E. grandis的特征在于最低的产量，分别为1、0.8和0.8％。化学成分分析表明，杂种E. camaldulensis x E. globulus亚种。 maideni有> 70％1,8-桉树脑，这是用户需要的。与E. camaldulensis相比，其他十字架的精油显示该产品的百分比略有下降。但是，记录到了α-pine烯和对伞花烃的含量增加。通常，在精油中检测到的所有产品的平均百分比介于亲本物种的中间百分比之间。桉树杂交可以提高桉树精油的质量和数量。

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