Solovyeva AE, Shelenga TV, Shavarda AL, Burlyaeva MO. Comparative analysis of wild and cultivated Lathyrus L. species to assess their content of sugars, polyols, free fatty acids, and phytosterols.
Vavilovskii Zhurnal Genet Selektsii 2021;
24:730-737. [PMID:
33738389 PMCID:
PMC7960445 DOI:
10.18699/vj20.667]
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Abstract
Under the condition of climate change, the need for crops resistant to abiotic and biotic stresses is increasing.
Lathyrus spp. are characterized by a high nutritional value of their green biomass. The grass pea is one of
the most resistant to drought, waterlogging, cold, salinity, diseases and pests among cultivated legumes, and it is
grown at minimal cost. The creation of new Lathyrus L. sorts with an improved nutrient composition of nutrients
will allow to obtain high-quality feed in areas with extremely unstable weather conditions. In this connection, we
studied the patterns of variability in the parameters of the carbohydrate complex (sugars, their lactone and methyl
forms), polyols (including phenol-containing alcohols), phytosterols, free fatty acids (FFA) and acylglycerols in the
green mass of 32 samples of Lathyrus sativus L., L. tuberosus L., L. sylvestris L., L. vernus (L.) Bernh., L. latifolius L.,
L. linifolius (Reichard) Bassler. from the VIR collection, reproduced in the Leningrad region in contrasting conditions
2012, 2013.The content of identified compounds varied depending on the genotype, species, and weather
conditions. High temperatures and high level of precipitation in 2013 contributed to the accumulation of monosaccharides,
in more colder and drier conditions in 2012 – oligosaccharides, most of polyols and FFA. The cultivated
species (L. sativus) was distinguished by its high sugar content, and the wild species as follows: L. latifolius by FFA;
L. linifolius by ononitol, myo-inositol, and glycerol 3-phosphate; L. vernus by MAG and methylpentofuranoside. The
species cultivated in culture (L. sativus) was distinguished by a high sugar content, wild species: L. latifolius – by FFA,
L. linifolius – ononitol, myo-inositol and glycerol-3-phosphate, L. vernus – MAG and methylpentofuranoside. According
to our results, the studied samples are promising for the selection of Lathyrus varieties with high nutrition
quality and stress-resistant.
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