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The article reveals the study of the concept of personal-creative development of elementary school pupils in the process of learning music. The essence of this problem is considered from the standpoint of modern requirements for education and tasks of music pedagogy. Article's purpose of this work is to highlight and analyze the basic concepts of the study of personal-creative development of elementary school pupils in the process of learning music. Methodology. Methods of comparative analysis, synthesis and theoretical generalization of scientific literature on the researched problem are applied. Scientific novelty lies in determination of the directions of personal and creative development in the process of learning music in the context of the age characteristics of elementary school pupils. Conclusions. As a result of theoretical research, it was found that the problem of personal-creative development requires a comprehensive study. The importance of research of modern theories of personality for understanding the components of its development is actualized. Different interpretations of basic concepts (creativity, creative potential, creative personality, development) which reveal the essence of the researched problem are revealed. Different approaches of domestic and foreign scientists to their definition are given. The connection between the outlined concepts and the concept of creative potential of the individual, intellectual and personal development is established. The positive influence of music on the general intellectual development of elementary school pupils is noted. Due to the fact that creativity is to some extent inherent in every person, in the process of learning music it is important to develop in each child the need for creativity. We consider the personal-creative development of elementary school pupils in the process of learning music as one of the aspects of the process of personality formation, which is carried out during musical-creative activities.

Background Japanese larch (Larix kaempferi) as a successful exotic species has become one of the most important economic and ecological conifers in China. In order to broaden the genetic resource of Larix kaempferi, an effort was made in 1996 to introduce 128 families from seven seed orchards in Japan, with which to establish two progeny trials in climatically different environments. The experiment was aimed to determine the strategy of early selection, particularly important for long-rotated Japanese larch, and the optimal breeding program for specific environments. Result Growth trajectories revealed different growth performances of stem height (HGT) and diameter at breast height (DBH) in two different environments, Hubei and Liaoning. In both sites, there were marked variabilities in HGT, DBH and volume (VOL) among families at each year. The trends of individual and family heritability and age-age correlations were found to follow a certain dynamic pattern. Based on these trends, the optimum selection age was determined at four years for HGT and five years for DBH in Hubei and Liaoning. Genetic gains for VOL were 34.4 and 6.04 % in Hubei and Liaoning respectively when selection ratio was 10 % at age 16. Type-B correlations were less than 0.67 and rank correlations of breeding value were less than 0.4 for HGT, DBH and VOL between the two sites, revealing that there exist pronounced family-by-site interactions for the growth traits of Larix kaempferi. Conclusions Early selection for Larix kaempferi is an effective strategy to overcome its long rotation age. In early selection, dual growth trait selection is more effective than single one. Regionalization deployment should be considered in Larix. kaempferi breeding program based on different environmental factors. Electronic supplementary material The online version of this article (doi:10.1186/s12863-016-0400-7) contains supplementary material, which is available to authorized users.

The heritability estimates for growth traits in Hubei and Liaoning with standard error (SE) in parentheses. The h i 2 stands for individual-tree heritability estimates and h f 2 stands for family heritability estimates. (DOCX 39Â kb)

Age-age related genetic and phenotypic correlations in Hubei and Liaoning with standard error (SE) in parentheses. HGT-HGT16 and DBH-DBH16 represent age-age related genetic correlations and phenotypic correlations between HGT and DBH at early ages and corresponding growth traits at 16Â years. HGT-VOL16 and DBH-VOL 16 represent age-age related genetic correlations and phenotypic correlations between HGT and DBH at early ages and VOL at 16Â years. (DOCX 29Â kb)