The correlations between the biochemical indicators of oil and the duration of the main growth stages in the collected samples of oil flax

The correlations between the biochemical indicators of collected samples of flax and the duration of the main growth stages were studied. There were significant positive correlations between the oil content and the duration of the overall growth season and the “flowering-ripening” interstage period as well as the correlation between linolenic acid content and the “emergence-flowering” interstage period. This indicates the tendency to increase of oil accumulation and linolenic acid content, which determines the quality of technical oil of more late-ripening forms. There were positive indicators of correlation coefficients between oil content and linolenic acid content, which allows creating of technical varieties with high oil content. There were negative correlations between oil content and linolenic acid content and linoleic and oleic acid content, which have to be considered when creating confectionery varieties.