
???????????????? ?????????????????????????? ???????????????????????? ?????????????? ?????????? ?????????????????????? ???????????????? Nicotiana sylvestris ?? ?????????????????????? N. plumbaginifolia, ?? ?????????? ?????????????????????????? ????????????- ???????????????? N. plumbaginifolia. ?? ???????????????? ?????????????????? ???????????????????????? ???????????????????????????????????? ???????????? N. sylvestris V42 ?? ?????????????????? ???? ?????????????????????????????? ?????????? N. plumbaginifolia ??nx20 ?? nia26. ?????????????? ???????????????? ???? ????????????????????????????, ??. ??. ???? ?????????????????????? ?????????????????????????? ?????????????? ?? ???????????????? ?????????????????????????? ?????????????????? ??????????. ?????????????? ?????????????????????? ?????????????????? ???????????? ???? ?????????????????? ???? ?????????????????????? ???????????????????? ????????????. ?????????????????? ?????????????????? ?? ?????????????????? ?????? 10???1 000 ????. ?????????????????? ???????????????????????????? ?? ?????????????????????????? ?????????????? ????????????????. ????????????????????. ?????? ?????????? ?????????????? ???????????????????? ?? ???????????????????? ???????????? ?????????????????????? ???????????????????????? ?????????? ???????????????????????? ??????????????, ?? ?????????????? ???????????????????? ???????????????????? ????????????????????, ???????????????????????????? ?????????? ???????????????? ???????????? ???? ???????? ??????????-, ?????????????????????????? ?????????????????????? ?????????????? ????????????????????. ?????????? ?????????????????? ?????????? 1 000 ???? ?? ?????????????????? ???????????? ?????????????????????????? 75???96 % ???????????????? ?????????????????????? ???????????? ????????????.
???????????????? ??????- ???? ???????????????????????????????? ???????????????????? ????????????-???????????????? Nicotiana. ???????????????? ?????????? ?????????????????????????? ?? ?????????????????? ?????? 10???1 000 ???? ???? ?????????????????????? ?????????????????? ?????????????? ?????????????????????????? ???? ??????????????????????-?????????????????????? ????????????????. ?????????????????????? ????????????????, ???? ?????? ???????????? ???????????????????? ???? ?????????????????????? ?????????????? ???????????????????? ???????????????? ?????????? ?????????????????????? ??????????????, ?? ???????? ???? ???????? ???????????????????? ?????????????? ?????????????????????? ??????, ?????? ??????????????????. ?????????????????????? ?????????? 1 000 ???? ???????????????? ???????????????????? 75???96 % ???????????????? ???????????? ?? ?????????????????? ????????????????.
Inter- and intraspecific ??gamma??-hybrids in Nicctiana were obtained with dose usage 10???1000 Gy. Cytological and molecularbiological analysises of 60 hybrid lines showed, that polyploid ??gamma??-hybrids, containing one irradiated donor genome per two, three intact recipient ones, have selective advantages. 75???96 % donor chromosomes didn't preserve in fusion products after treatment with 1000 Gy.
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