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Response of root cultures and in vitro-grown plantlets systems of Hypericum perforatum L. to biotic and abiotic stress

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Academic year: 2021

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Fig.  1  Hypericum  perforatum.  A)  Flowers  with  numerous  stamens;  B)  leaves  showing  dark  and  translucent glands; C) fruits, capsules; D) seeds; E) translucent glands; F) dark gland
Fig. 2 Main bioactive secondary metabolites accumulated in  H. perforatum shoots. Chemical  structure of: A) hypericin and pseudohypericin; B) hyperforin and adhyperforin (Barnes et al
Fig. 3 Main polyphenols accumulated in H. perforatum. Chemical structures of: A) chlorogenic  acid; B) of quercetin and C) hyperoside
Fig. 6 Hypothetical role of xanthones in the plant pathogen-interaction. In the model proposed  by  Franklin  et  al
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