Ana Dimitrova
Seed House Sadovo, 4121 Sadovo, Bulgaria
Dimitrova, A. (2026). Evaluation of the vegetative mass in peanut selection materials. Bulg. J. Agric. Sci., 32(2), 470–474
The study of the vegetative characteristics of peanuts – dimensions of the bush, dimensions and mass of the leaves was carried out in the offspring of the F3 generation from the selection nursery of Semenarska kashta Sadovo. In the breeding improvement work with the collection, the aim is to select materials with reduced vegetative mass, which successfully use solar radiation and economically use the available water resources. A broad base of genetic diversity was established for some of the sign studied, to aid phenotypic selection in the resulting offspring. The test of how effective the selection of material with reduced vegetative mass would be was carried out using the determination of the phenotypic and genotypic coefficient of variation, the genetic progress achieved and the genetic progress relative to the mean. High genetic advance has been achieved in the bush index indicator, where the influence of the genome is higher than the influence of the environment. In the other indicators, the influence of the environment is higher than that of the genotype and the genetic progress in them is lower.
With the help of the factor analysis, progeny sources of variation in the individual indicators were revealed. Breeding work with culture shows high genetic progress in this regard.
Keywords: peanuts; vegetative characteristics; phenotypic and genotypic coefficients; genetic progress