ISHS Acta Horticulturae 381: International Symposium on Natural Phenols in Plant Resistance
INFLUENCE OF NATURAL PHENOLS ON TRIFOLIUM PRATENSE-RHIZOBIUM TRIFOLII SYMBIOSIS |
| Author: | T.I. NOVIKOVA |
| Abstract:
Effect of eight phenolic compounds, contained in germinating seeds and roots of legume on clover-Rhizobium symbiosis, was investigated. Flavonols (quercetin and its derivatives), coumarins (esculin, esculetin), hydroxybenzoic acids (vanillic, gallic) inhibited the growth of plants and the development of symbiosis at 10-4 M, however the lower concentrations 10-9-10-6 M were shown to stimulate nodule formation and nitrogen fixing activity significantly. Addition of quercetin and rutin to MS-medium enhanced nitrogenase activity of Rhizobium trifolii-clover callus system. | |
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