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plant:cotton [2025/08/06 22:11] jfpothierplant:cotton [2025/12/10 22:38] (current) jfpothier
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 === Brief description === === Brief description ===
  
-The locus //B<sub>5</sub> //, when introgressed into the susceptible 'Acala 44' background (Ac//B<sub>5</sub>//), conferred strong and broad-spectrum resistance to bacterial blight (Essenberg //et al//., 2023). Segregation patterns indicated that Ac//B<sub>5</sub>// is likely homozygous for resistance at two loci with partial dominance gene action, and two of the four copies of //B<sub>5</sub>// were required for effective resistance (Essenberg //et al//., 2023). Contrary to expectations of gene-for-gene theory, Ac//B<sub>5</sub>// conferred high resistance toward isogenic strains of //Xanthomonas citri// pv. //malvacearum// carrying cloned avirulence genes //avrB4//, //avrb7//, //avrBIn//, //avrB101//, and //avrB102//, respectively, and weaker resistance toward the strain carrying cloned //avrb6// (Essenberg //et al//., 2023). A link between number of //B<sub>5</sub>// alleles, level of resistance and sesquiterpenoid phytoalexin production was established (Essenberg //et al//., 2023).+The locus //B<sub>5</sub>//, when introgressed into the susceptible 'Acala 44' background (Ac//B<sub>5</sub>//), conferred strong and broad-spectrum resistance to bacterial blight (Essenberg //et al//., 2023). Segregation patterns indicated that Ac//B<sub>5</sub>// is likely homozygous for resistance at two loci with partial dominance gene action, and two of the four copies of //B<sub>5</sub>// were required for effective resistance (Essenberg //et al//., 2023). Contrary to expectations of gene-for-gene theory, Ac//B<sub>5</sub>// conferred high resistance toward isogenic strains of //Xanthomonas citri// pv. //malvacearum// carrying cloned avirulence genes //avrB4//, //avrb7//, //avrBIn//, //avrB101//, and //avrB102//, respectively, and weaker resistance toward the strain carrying cloned //avrb6// (Essenberg //et al//., 2023). A link between number of //B<sub>5</sub>// alleles, level of resistance and sesquiterpenoid phytoalexin production was established (Essenberg //et al//., 2023).
  
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 === Synonyms === === Synonyms ===
  
-//B<sub>6m</sub> // (Saunders and Innes, 1963).+//B<sub>6m</sub>// (Saunders and Innes, 1963).
  
 === Source === === Source ===
plant/cotton.1754514675.txt.gz · Last modified: 2025/08/06 22:11 by jfpothier