How does the combination of meta-Topolin (mT) with other plant growth regulators affect shoot multiplication in sweet potato?

Label:chem

Topic
The study explores the synergistic effects of meta-Topolin (mT) with other plant growth regulators, specifically 1-Naphthaleneacetic acid (NAA) and Gibberellic acid (GA3), on shoot multiplication in sweet potato. Previous studies have shown that combinations of cytokinins and auxins can enhance multiplication and plant regeneration.
Answer
The combination of meta-Topolin (mT) with 0.54 mM NAA and 0.09 mM GA3 resulted in the best multiplication response. The study found that the number of shoots significantly increased with increasing mT concentration up to 8.29 mM, with the highest number of shoots (7.26 ± 0.17) and axillary nodes (65.25 ± 1.81) observed at this concentration. This combination provided a robust protocol for in vitro propagation of sweet potato, demonstrating the effectiveness of mT in enhancing shoot multiplication when used with other growth regulators.
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