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Delivery of Beneficial Microbes via Seed Coating for Medicinal and Aromatic Plant Production: A Critical Review

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Abstract

Medicinal and aromatic plants (MAPs) producing a myriad of chemicals can be utilized in numerous sectors such as pharmaceutical products, feed and food additives, dyes, cosmetics, and biocidal products. MAPs are grown in a variety of worldwide locales with low-cost effort and environmental compatibility. Most MAPs have a few problems in seed germination and stand establishment within the farm. Plant beneficial microorganisms (PBMs) have been diagnosed as a possible alternative to standard agricultural techniques, particularly in the production of medical and aromatic vegetation, due to their ability to preserve the agroecosystem's fitness. Seed coating with PBMs is a quick and effective tool to increase the seed germination rate and seedling stability, hence insuring the functioning of MAP life cycles. In organizing and growing a highly efficacious inoculum, it is essential to arrive at formulations that give high concentrations and vitality of microbial inoculums with high life expectancies during processing. Seed coatings supplemented with the right balance of PBM inoculants can be used for crop adaptation and protection against a multitude of diseases and infections, as well as abiotic stresses (such as drought and salinity). Regardless of the positive consequences, there are still limitations, most of which are connected to extrapolating results from the lab to the field and accurate formulation, such as efficient microbial mixture and coating substances that preserve both the seeds’ shelf life and cover the PBMs. Those restrictions must be effectively addressed for the goal of enabling a broader system of seed coating as an inexpensive delivery method for PBMs in the production of MAP inoculants.

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Acknowledgements

Prof. Dr. Ying Ma would like to acknowledge the financial support from the Fundamental Research Funds for the Central Universities (No. SWU 020010), the Natural Science Foundation of Chongqing (No. cstc2021jcyj-msxmX0827), and Chongqing Returned Overseas Students’ Entrepreneurship and Innovation Support Program (No. cx2021001).

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EK, BSKA, ZD, and KN wrote the first draft of the manuscript; YM and BRG helped with constructive discussions and revised the article; BAL helped with constructive discussions, revised the article, and submitted the manuscript.

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Correspondence to Behnam Asgari Lajayer or Ying Ma.

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The authors have no conflicts of interest to declare.

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Handling Editor: Pramod kumar nagar.

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Kavusi, E., Shahi Khalaf Ansar, B., Dehghanian, Z. et al. Delivery of Beneficial Microbes via Seed Coating for Medicinal and Aromatic Plant Production: A Critical Review. J Plant Growth Regul 42, 575–597 (2023). https://doi.org/10.1007/s00344-022-10597-2

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  • DOI: https://doi.org/10.1007/s00344-022-10597-2

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