The effect of heterosis on inheritance of quantitative traits in silkworm exposed to electromagnetic irradiation
Boĭko, E.A.; Sukhanov, S.V.; Shakhbazov, V.G.
Genetika 40(9): 1209-1214
2004
ISSN/ISBN: 0016-6758 PMID: 15559148 Document Number: 583821
The effect of heterosis was studied in several quantitative traits of clone breed and interbreed silkworm hybrids exposed to electromagnetic irradiation (lambda = 1.6 cm, power density 700 muW/cm2) during postdiapause embryonic development. The influence of the type of reproduction on the manifestation of irradiation effects in the next generation was also examined. In hybrids, the resistance to low-intensity high-frequency irradiation was higher than in the parental forms. Unlike the latter, the hybrids showed no significant modification of the traits after the exposure to electromagnetic irradiation. In the second generation, the modifying effect of irradiation is retained in the case of parthenogenetic silkworm development but not after mating.