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<p>The subfamily Scilloideae (formerly Hyacinthaceae family), comprises around 1000 bulbous geophyte species, in Asparagaceae family, of significant ornamental and medicinal value. However, traditional propagation is limited by low multiplication rates and prolonged juvenile phases, limiting both commercial cultivation and biodiversity conservation. Micropropagation offers an efficient alternative for large-scale plant production. This review synthesizes current micropropagation strategies across species from the three main tribes of Scilloideae: Hyacintheae, Ornithogaleae, and Urgineeae. The analysis emphasizes the role of diverse in vitro factors, such as explant type, plant growth regulators (PGRs), culture media, environmental conditions, and other culture variables, in influencing regeneration outcomes, efficiency, and plant quality. The review also evaluates genetic fidelity and somaclonal variation in relation to regeneration pathway and culture conditions. Scalable approaches using bioreactor systems are also addressed. In parallel, the review explores secondary metabolite production in relation to these variables and their effects on compound accumulation and bioactivity. Collectively, the findings support the optimization of micropropagation protocols for improved regeneration, genetic stability, enhanced phytochemical production, and long-term conservation of Scilloideae biodiversity.</p>

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A comprehensive review across the bulbous plants’ Scilloideae subfamily: factors influencing micropropagation and secondary metabolite production

  • 期刊论文

  • 发表日期：

    2026年3月28日

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  • Ibtisam Chakrane,
  • Said Boughribil,
  • Meriem Mdarhri Alaoui

摘要

The subfamily Scilloideae (formerly Hyacinthaceae family), comprises around 1000 bulbous geophyte species, in Asparagaceae family, of significant ornamental and medicinal value. However, traditional propagation is limited by low multiplication rates and prolonged juvenile phases, limiting both commercial cultivation and biodiversity conservation. Micropropagation offers an efficient alternative for large-scale plant production. This review synthesizes current micropropagation strategies across species from the three main tribes of Scilloideae: Hyacintheae, Ornithogaleae, and Urgineeae. The analysis emphasizes the role of diverse in vitro factors, such as explant type, plant growth regulators (PGRs), culture media, environmental conditions, and other culture variables, in influencing regeneration outcomes, efficiency, and plant quality. The review also evaluates genetic fidelity and somaclonal variation in relation to regeneration pathway and culture conditions. Scalable approaches using bioreactor systems are also addressed. In parallel, the review explores secondary metabolite production in relation to these variables and their effects on compound accumulation and bioactivity. Collectively, the findings support the optimization of micropropagation protocols for improved regeneration, genetic stability, enhanced phytochemical production, and long-term conservation of Scilloideae biodiversity.