Research Article 
Complex of Glycyrrhizic and Salicylic Acids: A New Root Length Growing Means for Grapes to Grow from the Apical Meristem
Khurshida A. Ubaydullaeva, Adkham N. Abdullaev, Abduvakhid A. Bolkiev, Mukhtor M. Darmanov, Akmal M. Asrorov, Sa'dulla A. Abdullaev, Jakhongir B. Eshmurzaev, Feruza I. Babadjanova and Zabardast T. Buriev
Asian Journal of Plant Sciences, 2023, 22(2), 260-268.
Abstract
Background and Objective: A supramolecular complex of glycyrrhizic and salicylic acids has been established as one of the potential plant growth promoters. In this study, the impact of the complex on the root growth of grapes, grown from the apical meristem was studied. Materials and Methods: The 1-2 mm conical meristems were isolated from the terminal and lateral buds and kept in special containers. The obtained tissues were cleaned from excessive parts and sterilized in special conditions. Further apical meristems were rooted in modified MS and WPM nutrient media. The effects of the complex on the number and length of roots of four grape varieties, widely grown in Uzbekistan, showed its potential as a root growth regulator. Results: The complex in 0.15 and 0.17 mg L–1 doses together with benzyl amino purine in MS medium or with meta-topolin and naphthalene acetic acid in WPN culture media led to several-fold increases in root growth in all grape varieties in vitro. The effects of the complex at 0.15 mg L–1 dose resulted in at least twice the longer root length of all selected grape varieties compared to the control of both culture media. A higher 0.17 mg L–1 dose led to several-fold increases in root length. Besides, significant increases were observed in root numbers in explants, grown in a culture medium holding 0.17 mg L–1 of the complex. Conclusion: These results could determine a new discipline in plant hormones utilized to grow plants from the apical meristem.
ASCI-ID: 7-2068
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