Abstract
The variation limits and organ distribution of macroand trace elements were determined in plants of the three subspecies of Lonicera caerulea L. The leaves, as compared with the stems, were found to accumulate more of B, Са, Mg, Mo, P and Sr and less of Al, Mn, Ti and Zn. The plants of different subspecies, grown on soils of the similar chemical element composition, showed statistically significant differences in contents and organ distribution patterns of Al, Cr, Cu, Fe, Mg, Mo, Na, Ni, Pb, Si, Ti and Zn. The stems of the subspecies of the Far East provenance (L. сaerulea subsp. kamtschatica and L. сaerulea subsp. venulosa) had abnormally high contents of Al, Cr, Fe, Na, Si and Ti.
Highlights
The subsection Caeruleae Rehd. of blue honeysuckles of Lonicera genus in Caprifoliaceae Juss. family includes three endemic diploid species: Lonicera iliensis Pojark., L. edulis Turcz. ex Freyn, L. boczkarnokowae Plekhanova nom. nov and a tetraploid species L. сaerulea L. The latter is represented by seven subspecies, namely L. сaerulea subsp. сaerulea, L. сaerulea subsp. emphyllocalyx (Maxim) Plekhanova comb. nov., L. сaerulea subsp. altaica (Pall.) Plekhanova comb. nov., L. сaerulea subsp. pallasii (Ledeb.)
The aim of this study was to compare macro- and trace elements variation in fruits, leaves and stems of the three L. caerulea subspecies of environmentally and geographically different provenances when grown in culture in the forest-steppe zone in the Near-Ob region (West Siberia, Russia)
Berries and stems of L. caerulea were collected at the ripening stage on the experimental plot in the Central Siberian Botanical Garden of the Siberian Branch of the Russian Academy of Sciences (54° N, 83° E, Novosibirsk, Russia)
Summary
The subsection Caeruleae Rehd. of blue honeysuckles of Lonicera genus in Caprifoliaceae Juss. family includes three endemic diploid species: Lonicera iliensis Pojark., L. edulis Turcz. ex Freyn, L. boczkarnokowae Plekhanova nom. nov and a tetraploid species L. сaerulea L. Blue honeysuckles are spread in the taiga zone of Eurasia and North America. On most of their growth area their berries are bitter in taste, and till the middle of the 20th century the species of the subsection were not even considered as food plants. Over the last years the breeding focus shifted towards L. caerulea subsp. Altaica as having a combination of economically valuable traits such as high productivity, rapid production, drought resistance, firm berry fixing and high bioflavonoid content
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