Bulgarian Journal of Agricultural Science
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Cyanogenic glycosides in broomcorn (Sorghum vulgare var. technicum (Körn.)) according growth stages
Irena Golubinova and Plamen Marinov Serafimov
Abstract: The trials were carried out during the period 2017-2019 in the experimental field of the Institute of Forage Crops - Pleven with accessions of broomcorn (Sorghum vulgare var. technicum (Körn.) with different origins. The aim of this study was to determine the optimal height of the plants and growth stage the development on the accessions of broomcorn for use as forage, depending on the the course of the changes in the quantitative content cyanogenic glycosides in them. The content of cyanogenic glycosides in fresh above-ground biomass in five accessions of Sorghum vulgare var. technicum [Körn.] in four growth stages from culture development (BBCH 15, BBCH 18-19, BBCH 47 and BBCH 63-67) has determined according to the growth rate. Cyanoglycoside content of aboveground biomass in broomcorn (Sorghum vulgare var. technicum) depending on phenophase, variety and year of the study. The content of cyanogenic glycosides in fresh biomass by growth stage and development of broomcorn is high negative correlation according dynamics of growth – r ranges -0.911 to -0.884. The local population MI 16N has a relatively lowest concentration of cyanogenic glycosides in all growth stage of development and can be used in further breeding programs in this direction.
Keywords: broomcorn (Sorghum vulgare var. technicum Körn.); cyanogenic glycosides; plant height, cuting
Date published: 2022-06-15
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