Standardization of tissue culture protocol for turmeric (Curcuma longa L.) Cv. Salem

Ns, Sinchana; Kn, Kattimani; Prabhuling, G.; Sudesh, Kumar Yadav; Jagadeesha, N.

doi:10.22271/chemi.2020.v8.i1ao.8681

Cited by 9 publications

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References 4 publications

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“…Tissue culture techniques allow for rapid clonal propagation of turmeric plants to mitigate the problems: low multiplication rates and disease issues (Shirgurkar et al, 2001). Tissue culture ensures a continuous source of highquality, disease-free, and true-to-type plantlets to enhance potential crop productivity (Bhabha Atomic Research Centre, 2020;Sinchana et al, 2020).…”

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“…There are reports for turmeric tissue culture from 1978 (Nadgauda et al, 1978) up to 2020 (Bhabha Atomic Research Centre, 2020;Sinchana et al, 2020) using different tissues/ organs, explants, and media with different plant growth regulators (PGRs) concentrations. Some researchers used the Murashige and Skoog (MS) medium as the base and changed the PGRs combinations and concentrations.…”

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Optimizing Turmeric Tissue Culture, Testing Different Media and a Plant Growth Regulator Matrix

Taghavi

Rahemi

Rafie

et al. 2021

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Rapid multiplication of turmeric (Curcuma longa) by micropropagation is needed to produce a continuous source of uniformly sized, high-quality, and disease-free plantlets. Three in vitro experiments were conducted to optimize the medium by evaluating nine media and a full factorial combination (matrix) of two plant growth regulators for direct organogenesis of ‘Hawaiian Red’ turmeric. Two experiments evaluated the media, and the third studied the plant growth regulator matrix. As a result, Driver and Kuniyuki walnut (DKW), Murashige and Skoog (MS), and broadleaf tree basal (BLT) media performed better than woody plant media [Lloyd & McCown woody plant basal medium (L&M), and McCown’s woody plant basal salt mixture (McCown)] for shoot and root formation. The multiplication rate was 18 plants per explant in DKW with 1 mg⋅L−1 6-benzylaminopurine (BAP) and 0.1 mg⋅L−1 1-naphthaleneacetic acid (NAA). After transferring the plants to an ex vitro environment, the survival rate was 97%, and 30% higher than previously reported. DKW produced the highest number of plantlets (with shoots and roots), and BLT produced fewer plants with higher biomass. In the MS media, higher BAP to NAA ratio (2.5 to 0.1 mg⋅L−1) produced the most significant number of shoots; however, the lowest concentration of BAP and NAA (0.1 mg⋅L−1 of both) produced the highest number of rooted plantlets. There are two recommendations for tissue culture of ‘Hawaiian Red’ turmeric. To produce the highest number of plantlets, one should use the higher BAP to NAA ratio (2.5 mg⋅L−1 BAP and 0.1 mg⋅L−1 NAA) for shoot proliferation and then transfer the explants to the root initiation media. However, to reduce the number of subcultures, the explants can be grown in the lowest concentration of both BAP and NAA (0.1 mg⋅L−1) to induce both shoot and root. Although, the number of plantlets (with roots and shoots) will decrease in this method, there is no need for subsequent subcultures and changing of the plant growth regulator combinations.

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confidence: 99%