Abstract
A Giemsa C-banding method was used for the identification of somatic chromosomes and heterochromatic knob positions in Korean indigenous maize(Zea mays L.). Total of 10 inbred stocks were examined and their knob numbers ranged from 6 to 12. In comparison of homologous chromosomes of two stocks of Waesungri and PI 213749, arm ratios and relative length of chromosomes were different between genotypes. In comparison of arm ratios, all the homologous chromosomes except chromosome 2 were different each other. In comparison of relative length of chromosomes, that of chromosome 1 in Waesungri and PI213749 was 223.22 and 192.03 respectively. The relative length of homologous chromosomes in Waesungri were generally lager than those of PI213749. A C-banded diagram showing knob positions, arm ratios and relative length of chromosome could be used as a good tool to compare the characteristics of chromosomes of Korean indigenous maize stocks.
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Claims 6
Claim · model-written summary
Ten maize stocks had 6 to 12 heterochromatic knobs.
Verbatim
e0“Total of 10 inbred stocks were examined and their knob numbers ranged from 6 to 12.”
t0“Korean Indigenous Maize”
Claim · model-written summary
Waesungri and PI 213749 differed in chromosome arm ratios.
Verbatim
e0“In comparison of homologous chromosomes of two stocks of Waesungri and PI 213749, arm ratios and relative length of chromosomes were different between genotypes.”
t0“Korean Indigenous Maize”
Claim · model-written summary
Arm ratios differed for all homologous chromosomes except chromosome 2.
Verbatim
e0“all the homologous chromosomes except chromosome 2 were different each other.”
t0“Korean Indigenous Maize”
Claim · model-written summary
Chromosome 1 relative length was 223.22 in Waesungri and 192.03 in PI213749.
Verbatim
e0“In comparison of relative length of chromosomes, that of chromosome 1 in Waesungri and PI213749 was 223.22 and 192.03 respectively.”
t0“Korean Indigenous Maize”
Claim · model-written summary
Homologous chromosomes were generally longer in Waesungri than in PI213749.
Verbatim
e0“The relative length of homologous chromosomes in Waesungri were generally lager than those of PI213749.”
t0“Korean Indigenous Maize”
Claim · model-written summary
A C-banded diagram was proposed as a tool for comparing maize stock chromosomes.
Not reportedComparatorValue
Verbatim
e0“A C-banded diagram showing knob positions, arm ratios and relative length of chromosome could be used as a good tool to compare the characteristics of chromosomes of Korean indigenous maize stocks.”