Manifestation of heterosis of signs of productivity in hybrids (F3 and F5) of lucern of seeding under conditions of high soil acidity
Abstract
Aim. Assessment of the level of productivity, heterosis and the nature of inheritance in hybrids (F3 and F5) of alfalfa under conditions of high soil acidity (pH 5.2-5.3). Methods. Field, laboratory. Results. The results of research (2013-2020) on the level of productivity and effects of heterosis, the nature of inheritance of traits of fodder and seed productivity in 37 hybrid populations (F3 and F5), created with samples of alfalfa sowing and variable of different ecological and geographical origin, naturally soil background with high acidity (pH 5.2-5.3). Conclusions. Hybrid pop-ulations of alfalfa with a combination of high fodder and seed productivity against the background of soil acidity have been selected and proposed for use in the selection process: Regina / Zhidrune, Sinyukha / Mega, Sinyukha / Yaroslav-na, Grilys / Mega, Grilys / Regina. Samples Mega / Regina, Vika / Regina, Zhidrune / Regina, Zhidrune / Sinyukha, Mega / Grilys, Grilys / Vika Yaroslavna / Vika, Yaroslavna / Zhidrune, Grilys / Zhidrune, Vika can be used separately in selection process after further researches on forage productivity and seed – Regina / Mega.
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