Abstract
Experimental data on the assessment of flax varieties and breeding numbers were obtained in field experiments at the experimental field of ERPC - Agrotechnopark FSBEI HE Izhevsk SAA on sod-medium podzolic medium loamy soil in the grain-grass crop rotation in 2015-2016, 2018, 2020. It was found that the change in the yield of whole and long fiber in the varieties and breeding numbers of fiber flax by 41.6…64.3% was caused by the influence of soil and meteorological conditions. Among the studied collection, the combination of good plasticity and stability to abiotic conditions is characteristic of the domestic variety TOST 2, according to the yield of long fiber – the breeding number from Lithuania – B-168 and the variety from France – Diane. It was found that the domestic varieties TOAST 1, Zaryanka, Antey and the breeding number K4196×1288/12 provided relatively high stability in the yield of the whole and long fiber in various abiotic medium conditions. This made it possible to use these varieties as a source material in breeding programs.
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