Bojko O. The use of electro-magnetic fields for elevation of nonspecific stability and productivity of varios genotype of silkworm and oak silkworm

The dissertation is devoted to studying a number a non- specific stability and productivity changes indexes of silkworms of different genotypes with various means of sexual reproduction and with different levels of ploidy as well after silkworm eggs emanation with the help of low intensive fields of SFH and laser and also the influence of the physical factor s on a heterosis effect and quantitative sings heritability. There have been revealed the genetically conditioned differences in reaction of partenoclones, species, hybrides of silkworms on egg emanation by low-intensive electromagnetic fields. There has been investigated the possibility to use these physical influences as a factor stimulating the complex of important and significant indeces of silkworm. There has been revealed and the possibility of increasing the degree of expressiveness of a heterosis effect according to non-specific indexes of stability and productivity under the influence of these physical factor. There has been shown the pos sibility of receiving prolonged modifications according to the important indexes after the emanation in partenogenetic means of reproduction.