修剪强度对野伞菌(Adesmia boronioides Hook f. )生物量和精油产量的影响

IF 3.8 2区 农林科学 Q1 PLANT SCIENCES Journal of Applied Research on Medicinal and Aromatic Plants Pub Date : 2024-07-07 DOI:10.1016/j.jarmap.2024.100562
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引用次数: 0

摘要

Adesmia boronioides Hook.f.(又名 paramela)是豆科植物,原产于阿根廷和智利的巴塔哥尼亚。在这些国家的传统保健系统中,它的叶子和嫩茎被用来治疗风湿痛、感冒、消化系统疾病和呼吸道充血。帕拉梅拉具有极佳的感官品质,正吸引着越来越多的商业兴趣。近年来,为萃取和出口精油而从天然种群中采集植物材料的情况有所增加,但目前还没有关于该物种采收管理的研究。在这项研究中,对来自硼酸苣苔自然种群的植物进行了三种不同的修剪处理(轻度、中度和重度),并在连续四年的时间里评估了它们在生物量生产、精油产量和质量方面的反应。在不同的修剪强度中,中等强度在所有年份产生的生物量最大(p< 0.001),尽管产量在第三次收获前有所增加,但随后明显减少。通过连续两年对同一植株采用中等修剪水平,与最初修剪相比,生物量增加了 112%,精油产量增加了 116%。在重度修剪处理下,10% 的植株在第二次连续修剪后死亡。此外,我们还比较了中等修剪水平下头三年的精油产量和质量特性。我们观察到,在连续修剪后,精油产量有所增加,但化学成分(GC-FID-MS)在评估年份中未受到显著影响。这些结果为设计硼砂属植物的可持续采收方案提供了宝贵的信息,并指出了提高野生种群生物量和精油产量的方法。
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Effect of pruning intensity on biomass and essential oil yield in wild paramela (Adesmia boronioides Hook f.)

Adesmia boronioides Hook. f. (known as paramela), a member of the Fabaceae family, is native to Argentinean and Chilean Patagonia. Its leaves and young stems are used in the traditional health care system of these countries to treat rheumatic pains, colds, digestive disorders, and respiratory congestion. Paramela presents excellent organoleptic qualities and is attracting growing commercial interest. In recent years the gathering of plant material from natural populations for the extraction and export of essential oils has increased; however, no studies exist on harvest management for this species. In this study plants from a natural A. boronioides population underwent three different pruning treatments (light, medium and heavy) and their response in biomass production and the yield and quality of their essential oils was evaluated over four consecutive years. Of the different pruning intensities, the medium level generated the greatest amount of biomass for all years (p< 0.001) even though the increase seen in production up to the third harvest was followed by a marked decrease. By applying a medium pruning level for two consecutive years on the same plants, we achieved up to 112 % more biomass and 116 % higher essential oil yield compared to the initial pruning. Under the heavy pruning treatment 10 % of the plants died after the second consecutive pruning. Furthermore, we compared the yield and qualitative characteristics of essential oils (EO) over the first three years under the medium pruning level. We observed that EO yields increased after successive pruning, but the chemical compositions (GC-FID-MS) were not significantly affected in the years evaluated. These results provide valuable information for the design of sustainable harvesting protocols for A. boronioides and indicate ways to improve the yield in biomass and essential oils from wild populations.

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来源期刊
Journal of Applied Research on Medicinal and Aromatic Plants
Journal of Applied Research on Medicinal and Aromatic Plants Pharmacology, Toxicology and Pharmaceutics-Drug Discovery
CiteScore
6.40
自引率
7.70%
发文量
80
审稿时长
41 days
期刊介绍: JARMAP is a peer reviewed and multidisciplinary communication platform, covering all aspects of the raw material supply chain of medicinal and aromatic plants. JARMAP aims to improve production of tailor made commodities by addressing the various requirements of manufacturers of herbal medicines, herbal teas, seasoning herbs, food and feed supplements and cosmetics. JARMAP covers research on genetic resources, breeding, wild-collection, domestication, propagation, cultivation, phytopathology and plant protection, mechanization, conservation, processing, quality assurance, analytics and economics. JARMAP publishes reviews, original research articles and short communications related to research.
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