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VOL. 3, ISSUE 4 (2021)
Effect of flavonoids and lipochitooligosaccharides on nodulation of rhizobia in black gram
Authors
S Aishwarya, V Gomathi, J Kavitha Mary
Abstract
In this study the impact of flavonoids on effective nodulation of rhizobia in black gram was assessed. For this study two synthetic flavonoids viz., Quercetin, Naringenin and flavonoids extracted from black gram root exudate were used to induce nodulation along with rhizobial culture in black gram. Flavonoids were extracted and purified from root exudates of black gram and confirmed through HPLC. Chromatogram obtained from black gram root exudates were coherent with quercetin peak (standard) and confirms the presence of quercetin in black gram root exudate. Studies on interaction between flavonoids and rhizobial cultures depicted that treatment Quercetin + Naringenin + Rhizobium sp. Recorded highest nodulation (19 numbers/plant) compared to control (6 numbers/plant) and Rhizobium sp. alone (11 number/plant). From the results we concluded that flavonoids such as quercetin, naringenin which is naturally present in the root exudates of rhizobial host (Black gram) play a major role in effective nodulation and act as a signalling molecule in legume rhizobial symbiosis.
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Pages:59-64
How to cite this article:
S Aishwarya, V Gomathi, J Kavitha Mary "Effect of flavonoids and lipochitooligosaccharides on nodulation of rhizobia in black gram ". International Journal of Ecology and Environmental Sciences, Vol 3, Issue 4, 2021, Pages 59-64
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