Section 13 — Plant Genetics and Breeding 



varieties. This character appeared to be gov- white. The brown class includes the variety 



erned by two pairs of genes. The gene Gci Ramona with the genes Gci gC2, the light brown 



for brown colour, the gene GC2 for yellow col- class contains the variety N.A. 101 with the 



our, and the combination GC1GC2 for light genes GC1GC2 and the yellow class involves 



brown colour, while the recessive genes gCigC2 the variety Giza 139 with the genes gciGc2. 



give white colour. The white class includes the varieties Giza 144, 



4. The parental varieties were arranged in Giza 145 and Giza 147 with the recessive genes 



four classes, brown, light brown, yellow and gcigC2. 



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