Micropropagation of <i>Duboisia</i> Species: A Review on Current Status
2023
Yuxin Xue | Jayeni Chathurika Amarathunga Hiti-Bandaralage | Neena Mitter
<i>Duboisia</i> is an Australian native woody species of the Solanaceae family, a crucial source of alkaloids, and is naturally extracted for pharmaceuticals. The alkaloid content of the four naturally occurring species of <i>Duboisia</i>, i.e., <i>Duboisia myoporoides</i> R. Br., <i>Duboisia leichhardtii</i> F. Muell., <i>Duboisia hopwoodii</i> F. Muell. and <i>Duboisia arenitensis,</i> is not conducive for large-scale commercial extraction. High-value hybrids between <i>D. myoporoides</i> R. Br. <i>and D. leichhardtii</i> F. Muell. have become the commercial crop for the industry. Propagation of these hybrids is key for progression of this industry, especially for the establishment and expansion of plantations and to replenish old plantations. Commercial propagation of <i>Duboisia</i> completely depends on cutting propagation to ensure true-to-type propagules. Cutting propagation of this species is associated with several challenges and has been a hurdle for industry expansion for many years. Micropropagation can be an efficient and sustainable alternative for <i>Duboisia</i> clonal propagation and is a faster and cleaner propagation avenue for elite propagules. This review compiles the research attempts made in the space of <i>Duboisia</i> micropropagation and provides an update on recent advancements to understand the technical capacity, progress and challenges towards a commercial micropropagation platform.
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