gene-for-gene concept

gene-for-gene concept

the theory that genes for PATHOGEN resistance in a host plant are matched by corresponding virulence genes in the attacking pathogen.
References in periodicals archive ?
By means of gene postulation and pedigree analysis, the resistant genes to stripe rust in eighty-two wheat cultivars from the Gansu province in China were identified in 30 wheat genotypes with the known Yr gene and 26 Pst pathotypes at the seedling stage under controlled greenhouse conditions in the Institute of Plant Protection, Chinese Academy of Agricultural Sciences (IPP CAAS), based on the gene-for-gene concept.
Gene postulation is based on Flor's gene-for-gene concept.
Based on the gene-for-gene concept, genes can be postulated from the correlation of the responses of selected resistance sources with those of controls.