Zobrazeno 1 - 10
of 99
pro vyhledávání: '"Hikoyuki Yamaguchi"'
Publikováno v:
RADIOISOTOPES. 50:442-446
To obtain short culm mutants with lodging resistance, while retaining the other desirable traits, such as an excellent quality of the original variety, dry seeds of a glutinous rice cultivar Mezuru were exposed to gamma-rays. In M3, thirty plants wer
Publikováno v:
RADIOISOTOPES. 42:335-340
The rate of seedling growth of the semidwarf mutant cultivar Reimei and the dwarf mutant line, Fukei 71 were found to be much faster than their original cultivar Fujiminori. Such rapid early growth of the dwarf and semidwarf mutants was significantly
Publikováno v:
RADIOISOTOPES. 40:418-420
Germinating seeds of Glycine max (L.) cultivar. L-65 (Dr. W.G, variety) were treated with 3H-thymidine at various times after seed soaking began at 25°C and the shoot apical meristem was squashed on slides. Then, microf luorography was carried out.
Publikováno v:
Environmental and Experimental Botany. 24:173-177
The mutagenic effects of the labeled position of tritium labeled thymidine and uridine were studied in stamen hairs of Tradescantia clone BNL-02. Each tritium labeled compound was applied to the center of the inflorescence with 0, 5, 10, 50 and 100 n
Autor:
Masami Watanabe, Hikoyuki Yamaguchi
Publikováno v:
Japanese Journal of Breeding. 38:43-52
Leaf protoplasts were prepared from the plants grown in the phytotron with artificial illumination. Cytoplasts were obtained by ultracentrifugation of leaf protoplasts on the top of Percoll iso-osmotic discontlnuous density gradiants as described by
Publikováno v:
Biochemical and Biophysical Research Communications. 62:176-183
Summary When incubated in vitro with EDTA, ribosomal RNA in fetal rat liver polysomes was degraded to produce fragments some of which have molecular weights similar to those of in vivo degradation intermediates of 28S ribosomal RNA. The degradation o
The Inhibiting Effect of EDTA on the Repair of Gamma-ray Induced Lesions in Germinating Barley Seeds
Publikováno v:
Japanese Journal of Breeding. 24:188-193
Publikováno v:
Environmental and Experimental Botany. 19:75-84
Gamma-rays at mega rad quantities inhibited de novo synthesis and secretion of some enzymes in barley seeds during germination. The degree of inhibition, when the daily increase of enzyme activities was calculated, increased with the length of the ge
Autor:
Hikoyuki Yamaguchi
Publikováno v:
Kagaku To Seibutsu. 25:755-762
Variation of mutation frequency in Tradescantia stamen hairs cultivated near to a power reactor site
Publikováno v:
Japanese Journal of Health Physics. 20:349-356
Tradescantia (clone KU-7) were grown at three points near a site of nuclear power plants and somatic mutation frequencies in Tradescantia stamen hairs were investigated for three years. The two points are located in the prevailing down-wind sector of