Abstract
The aim of the research is to produce alfalfa varieties that are resistant to biotic and abiotic environmental stress factors for cultivation in the conditions of the RSO-Alania on the basis of targeted selection of promising genotypes. The novelty of the research is that for the first time in the conditions of the forest - steppe zone of the RSO-Alania, new genotypes were studied for the formation of meadow-pasture varieties of alfalfa that have ecological plasticity, resistance to viral and fungal diseases, and increased yield potential. Records and observations were carried out according to the method of VIR and the V. R. Williams Feed Research Institute. As a result of the research, it was found that in terms of the yield of green mass and leafiness, the varieties of alfalfa Sinegibridnaya and Kizlyarskaya surpassed other varieties by 5-7%. The highest productivity among the tested varieties of alfalfa was possessed by the variety – Kizlyarsky, which most successfully combined the yield indicators of green mass, dry matter and mass of 1000 pcs. seeds and seed productivity.
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