Iridoid glycosides from linaria genistifolia (l.) Mill. In biological control of soil-borne fungal pathogens of wheat and some structure considerations
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579.61:581.1 (1)
Microbiologie aplicată (93)
Fiziologia plantelor (187)
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MASHCENKO, Natalia; GUREV, Angela; LUPASCU, Galina; GORINCIOI, Elena. Iridoid glycosides from linaria genistifolia (l.) Mill. In biological control of soil-borne fungal pathogens of wheat and some structure considerations . In: Chemistry Journal of Moldova. 2015, nr. 1(10), pp. 57-63. ISSN 1857-1727.
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Chemistry Journal of Moldova
Numărul 1(10) / 2015 / ISSN 1857-1727 /ISSNe 2345-1688

Iridoid glycosides from linaria genistifolia (l.) Mill. In biological control of soil-borne fungal pathogens of wheat and some structure considerations

CZU: 579.61:581.1
DOI: 10.19261/cjm.2015.10(1).08
Pag. 57-63

Mashcenko Natalia1, Gurev Angela1, Lupascu Galina1, Gorincioi Elena2
 
1 Institute of Genetics, Physiology and Plant Protection of the Moldovan Academy of Sciences,
2 Institute of Chemistry of the Academy of Sciences of Moldova
 
Disponibil în IBN: 15 iulie 2015


Rezumat

Biological activity of the iridoid glycosides extract from Linaria genistifolia (L.) Mill. has been investigated, namely its infl uence on the resistance of the winter wheat Odesschi 51 plant to the caused by the Fusarium oxysporum and Helminthosporium avenae pathogenic fungi root rot. Our results indicate that summary iridoid glycosides from this plant, containing four major known compounds: 5-O-allosylantirrinoside, antirrinoside, linarioside and 6-β-hidroxiantirride, can be successfully employed in biological control of the afore-mentioned wheat pathogens: it stimulates wheat grains germination and embryonic root growth in conditions of fungal infection. 1H and 13C NMR characteristics of 5-O-allosylantirrinoside in Py-d5 are for the fi rst time presented. Structures of two conformers of 5-O-allosylantirrinoside in D2O and Py-d5 solutions are proposed, based on the experimental NMR evidence and molecular modelling studies.

Cuvinte-cheie
Linaria genistifolia (L.) Mill., iridoid glycosides, 5-O-allosylantirrinoside, molecular modelling.,

bioactivity, NMR