_____ is the first man made cereal.

Explanation

Triticale is the successful first man made cereal. Depending on the ploidy level Triticale can be divided into three main groups.

(i) Tetraploidy: Crosses between diploid wheat and rye.
(ii) Hexaploidy: Crosses between tetraploid wheat Triticum durum (macaroni wheat) and rye
(iii) Octoploidy: Crosses between hexaploid wheat T. aestivum (bread wheat) and rye. Hexaploidy: Triticale hybrid plants demonstrate characteristics of both macaroni wheat and rye. For example, they combine the high-protein content of wheat with ryes high content of the amino acid lysine, which is low in wheat. Colchicine, an alkaloid when applied in low concentration to the growing tips of the plants induce polyploidy.