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Inheritance of dlm Gene with f and y9 Alleles in Soybean (Glycine max L.) KCI 등재

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한국육종학회지 (Korea Journal of Breeding Science)
한국육종학회 (The Korean Breeding Society)
초록

dlm mutants controlling disease lesion mimic leaf trait may be useful in basic research of disease hypersensitive response and programmed cell death in soybean. The study on genetic relationship between dlm trait and other morphological C trait, position of dlm allele on classical linkage group, and a molecular marker linked to dlm allele was little reported. Two populations [T173 (ffDlmDlm) x T363 (FFdlmdlm), T363 (dlmdlmY9Y9) x T135 (DlmDlmy9y9)] were made to find independent assortment or linkage between dlm locus and f locus or between dlm locus and y9 locus. The segregation ratios of 3 : 1 were observed in the F2 population and the Chi-square values suggested that the disease lesion mimic leaf, fasciation stem, and chlorophyll-deficient leaf traits were controlled by a single recessive gene. Segregation ratios of 78 Dlm_F_: 19 Dlm_ff: 17 dlmdlmF_ : 3 dlmdlmff based on F2 phenotype showed that dlm allele was inherited independently with the f allele controlling fasciation stem trait in soybean. Also, segregation ratios of from 149 Dlm_Y9_: 41 Dlm_y9y9: 38 dlmdlmY9_ : 5 dlmdlmy9y9 based on F2 phenotype confirmed that dlm allele was inherited independently with the y9 allele controlling chlorophyll- deficient leaf trait in soybean. From these results, dlm allele would not be located on linkage group 11 (molecular linkage group: D1b+W) and linkage group 14 (molecular linkage group: E) in soybean. This results will helpful to attempt to position the Dlm locus on the soybean molecular linkage map.

저자
  • Ki Chul Nam
  • Mo Se Park
  • Kyoung Ja Lee
  • Myung Sik Kim
  • Jong Il Chung
  • Woo Hyeun Jeong