PERTANIKA JOURNAL OF TROPICAL AGRICULTURAL SCIENCE

Mimosa pudica is a medicinal plant worthy of therapeutic properties. It is often overlooked as one of the weed species, and the potential was underappreciated despite its abundance in nature, particularly in tropical climate countries. Considering the aptitude of this species, the micropropagation protocol of M. pudica was revisited and enhanced. The seed surface sterilization and germination were assessed, followed by shoot multiplication rate and root initiation efficiency. Seeds of M. pudica were best surface sterilized with 35% of Clorox and recorded the highest germination rate at 65.55% in media of three-quarter strength Murashige and Skoog (MS) combined with 30 g of sucrose. The explants were harvested and subcultured into multiplication media fortified with 6-benzylaminopurine, kinetin, and coconut water. The highest number of new shoots and leaves were obtained at 3 shoots and 3.27 cm in media of MS combined with 17.6 μm kinetin. Half-strength MS media devoid of hormone was recommended for root induction, resulting in the 5 healthy roots at 2.06 cm after 4 weeks of culture. Overall, the developed micropropagation protocol of M. pudica could facilitate its large-scale cultivation, indicating its potential as a medicinal crop for the extraction of bioactive compounds.

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