Fruit growing
and viticulture of South Russia
Genetic Resources, Cultivar, selection
A method for individual evaluation of the phenotypic and genotypic selection significance of quantitative traits in F1 progeny of a hybrid combination between a seeded and a seedless vine cultivar has been applied. It has been found that this method makes it possible to carry out the objective selection of elite seedlings based on indices and traits, according to the purposes of the selection programme. The rating grades correspond to the formed classes, and the highest or another phenotypic value of the trait can be adopted as optimal, which allows the interpretation of the obtained experimental data in the different selection aspects. Corrected grades and their percentage ratio towards the standard are used for complex agrobiological characterization of plants
Basic principles of selection of plum varieties for adaptive technologies of cultivation and breeding use are presented in the article