Groundnut Improvement Program, ICRISAT, P.O.-502 324, A.P., Patancheru, India.
Theor Appl Genet. 1986 Jul;72(4):433-9. doi: 10.1007/BF00289523.
Synthetic amphidiploids were established in 32 combinations involving 8 diploid wild species representing both A and B genomes of section Arachis. Bivalent and multivalent associations in the amphidiploids of 7 A genome species confirm that these species have identical genomes. Contrastingly, high bivalent frequencies in amphidiploids involving the A and B genome species suggest that A. batizocoi has a distinct 'B' genome that is partially homologous to the other genome 'A' represented in the rest of the species. Crossability, chromosome pairing and pollen and pod fertility in hybrids between A. hypogaea and amphidiploids have revealed that these amphidiploids can be used as a genetic bridge for the transfer of genes from the wild species into the cultivated groundnut.
合成双二倍体是通过 8 种代表 Arachis 节 A、B 基因组的二倍体野生种的 32 种组合建立的。7 种 A 基因组种的双二倍体中二价体和多价体的组合证实了这些种具有相同的基因组。相反，涉及 A、B 基因组种的双二倍体中二价体的高频率表明，A. batizocoi 具有独特的“B”基因组，该基因组与其余种代表的另一个基因组“A”部分同源。A. hypogaea 与双二倍体之间的杂交的可交配性、染色体配对以及花粉和豆荚育性表明，这些双二倍体可用作遗传桥梁，将野生种的基因转移到栽培落花生中。
