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Radiogenetic effect of gamma irradiation under different ontogenetic states of sweet pepper

Abstract

In view of the practical utilization of the experimental mutagenesis, a detailed study of the radiosensitivity and the genetic effect on treatment at different phases of the ontogenetic development in the capsicum plant was carried out. Seven phases of the ontogenetic development were subjected to acute gamma irradiation with different doses: mature binuclear pollen, male and female gametophytes, zygotes, 15-day embryo, 30-day embryo, dry and germinated seeds. The mutagenic effect was recorded on the basis of the germination, fertility, number of fruits, number of sterile plants, weight of the seeds from the fruits, and frequency and spectrum of chlorophyll and morphological mutations. In all cases the radiobiological effect is increasing linearly in dependence of the applied dose. The analysis of the LD/sub 50/, assessed for the different indices of radiation injuries, did not show significant differences in the radiosensitivity of the first five phases from the ontogenetic development. Dry seeds, however, are almost 10 times more radiosensitive. The germinated seeds occupy an intermediate position as regards the indicator of fertility only. The yield of both the chlorophyll and morphological mutations is increasing also linearly with the increasing of the dose at all phases of the ontogenetic development. The highest yield  More>>
Authors:
Auni, S; Daskalov, S Kh; Filev, K A [1] 
  1. Bylgarska Akademiya na Naukite, Sofia. Institut po Genetika
Publication Date:
Jan 01, 1978
Product Type:
Journal Article
Reference Number:
AIX-10-472937; EDB-80-024583
Resource Relation:
Journal Name: C. R. Acad. Bulg. Sci.; (Bulgaria); Journal Volume: 31:10
Subject:
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.; CAPSICUM; GENETIC RADIATION EFFECTS; ONTOGENESIS; RADIOSENSITIVITY; ACUTE IRRADIATION; AGE DEPENDENCE; COMPARATIVE EVALUATIONS; EMBRYOS; FERTILITY; GERMINATION; LETHAL RADIATION DOSE; MUTATION FREQUENCY; MUTATIONS; POLLEN; SEEDS; ACUTE EXPOSURE; BIOLOGICAL EFFECTS; BIOLOGICAL RADIATION EFFECTS; DOSES; GAMETES; GENETIC EFFECTS; GERM CELLS; IRRADIATION; LETHAL DOSES; PLANTS; RADIATION DOSES; RADIATION EFFECTS; 560141* - Radiation Effects on Plants- Basic Studies- (-1987)
OSTI ID:
5676324
Country of Origin:
Bulgaria
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: CRABA
Submitting Site:
INIS
Size:
Pages: 1357-1360
Announcement Date:
Aug 01, 1979

Citation Formats

Auni, S, Daskalov, S Kh, and Filev, K A. Radiogenetic effect of gamma irradiation under different ontogenetic states of sweet pepper. Bulgaria: N. p., 1978. Web.
Auni, S, Daskalov, S Kh, & Filev, K A. Radiogenetic effect of gamma irradiation under different ontogenetic states of sweet pepper. Bulgaria.
Auni, S, Daskalov, S Kh, and Filev, K A. 1978. "Radiogenetic effect of gamma irradiation under different ontogenetic states of sweet pepper." Bulgaria.
@misc{etde_5676324,
title = {Radiogenetic effect of gamma irradiation under different ontogenetic states of sweet pepper}
author = {Auni, S, Daskalov, S Kh, and Filev, K A}
abstractNote = {In view of the practical utilization of the experimental mutagenesis, a detailed study of the radiosensitivity and the genetic effect on treatment at different phases of the ontogenetic development in the capsicum plant was carried out. Seven phases of the ontogenetic development were subjected to acute gamma irradiation with different doses: mature binuclear pollen, male and female gametophytes, zygotes, 15-day embryo, 30-day embryo, dry and germinated seeds. The mutagenic effect was recorded on the basis of the germination, fertility, number of fruits, number of sterile plants, weight of the seeds from the fruits, and frequency and spectrum of chlorophyll and morphological mutations. In all cases the radiobiological effect is increasing linearly in dependence of the applied dose. The analysis of the LD/sub 50/, assessed for the different indices of radiation injuries, did not show significant differences in the radiosensitivity of the first five phases from the ontogenetic development. Dry seeds, however, are almost 10 times more radiosensitive. The germinated seeds occupy an intermediate position as regards the indicator of fertility only. The yield of both the chlorophyll and morphological mutations is increasing also linearly with the increasing of the dose at all phases of the ontogenetic development. The highest yield is observed at the phases of gametophytes and dry seeds and the smallest at the phase of germinated seeds. The phases of zygotes and embryo on the 15th day hold an intermediate position. In all investigated phases the amount of the morphological mutations is higher than that of the chlorophyll ones.}
journal = []
volume = {31:10}
journal type = {AC}
place = {Bulgaria}
year = {1978}
month = {Jan}
}