First report on seasonal variations in chemical composition and pesticidal activities of Alpinia nigra rhizome essential oil

IF 1.4 4区生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY

Biochemical Systematics and Ecology Pub Date : 2025-06-09 DOI:10.1016/j.bse.2025.105055

Shailja Singh , Om Prakash , Ravendra Kumar , Tanuja Kabdal , Stuti Arya , Shiv Kumar Dubey , Dharmendra Singh Rawat , Satya Kumar

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引用次数: 0

Abstract

Present study reveals the investigation of seasonal variation in chemical composition and pesticidal activities of essential oils obtained from Alpinia nigra (Gaertn.) Burtt syn. Alpinia allughas (Retz.) rhizomes, analyzed month wise from November 2021 to October 2022. With the help of GC-MS analysis over 28 compounds were identified, with β-pinene (6.6–36 %), 1,8-cineole (2.2–17.3 %), and 4-terpineol (6.6–25.7 %) as major constituents, showing significant seasonal variations. Biological assays demonstrated significant nematicidal, antifeedant, and herbicidal activities due to qualitative and quantitative variation in the constituents. The nematicidal activity against Meloidogyne incognita was highest in October (98.95 %) and reached its lowest level in August (58.66 %). Antifeedant activity against Spodoptera litura was observed 85.07 % in September and 16.93 % in winter. Herbicidal activity against Raphanus sativus was 100 % in December, March, and June, inhibiting seed germination, root, and shoot length. These findings emphasize the potential of A. nigra essential oils as eco-friendly alternatives for integrated pest and weed management. Seasonal optimization for harvesting and application enhances efficacy. Future research should explore molecular mechanisms, synergistic interactions, and scalable production methods to maximize their agricultural and commercial applications. This study establishes A. nigra essential oils as a possible sustainable solution for pest and weed control.

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黑马根茎精油化学成分和杀虫活性的季节变化首次报道

本研究揭示了黑Alpinia nigra （Gaertn.）精油化学成分和杀虫活性的季节变化。Burtt syn. Alpinia allughas （Retz.）根状茎，从2021年11月到2022年10月逐月分析。通过GC-MS分析，共鉴定出28个化合物，其中β-蒎烯（6.6 - 36%）、1,8-桉叶油脑（2.2 - 17.3%）和4-松油醇（6.6 - 25.7%）为主要成分，具有明显的季节变化。生物测定表明，由于其成分的定性和定量变化，其具有显著的杀线虫、拒食和除草活性。10月对黑线蛾的杀线虫活性最高（98.95%），8月最低（58.66%）。9月和冬季对斜纹夜蛾的拒食活性分别为85.07%和16.93%。12月、3月和6月对莴苣的除草活性为100%，抑制种子萌发、根和茎长。这些发现强调了黑草精油作为害虫和杂草综合管理的生态友好替代品的潜力。季节优化的收获和应用提高了效率。未来的研究应探索分子机制、协同作用和可扩展的生产方法，以最大限度地提高其农业和商业应用。本研究确立了黑草精油作为害虫和杂草控制的可能的可持续解决方案。

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来源期刊

Biochemical Systematics and Ecology 生物-进化生物学

CiteScore

3.00

自引率

12.50%

发文量

147

审稿时长

43 days

期刊介绍： Biochemical Systematics and Ecology is devoted to the publication of original papers and reviews, both submitted and invited, in two subject areas: I) the application of biochemistry to problems relating to systematic biology of organisms (biochemical systematics); II) the role of biochemistry in interactions between organisms or between an organism and its environment (biochemical ecology). In the Biochemical Systematics subject area, comparative studies of the distribution of (secondary) metabolites within a wider taxon (e.g. genus or family) are welcome. Comparative studies, encompassing multiple accessions of each of the taxa within their distribution are particularly encouraged. Welcome are also studies combining classical chemosystematic studies (such as comparative HPLC-MS or GC-MS investigations) with (macro-) molecular phylogenetic studies. Studies that involve the comparative use of compounds to help differentiate among species such as adulterants or substitutes that illustrate the applied use of chemosystematics are welcome. In contrast, studies solely employing macromolecular phylogenetic techniques (gene sequences, RAPD studies etc.) will be considered out of scope. Discouraged are manuscripts that report known or new compounds from a single source taxon without addressing a systematic hypothesis. Also considered out of scope are studies using outdated and hard to reproduce macromolecular techniques such as RAPDs in combination with standard chemosystematic techniques such as GC-FID and GC-MS.