In Peru is very important to increase food production in the rural areas where a high poverty and malnutrition problems are found. Mutation induction permits to improve adapted cultivars, by upgrading one or two characteristics, while retaining all its original attributes. Dry seeds of quinoa (Chenopodium quinoa) and kiwicha (Amaranthuscaudatus) were irradiated with gamma ray at doses of 150 and 250 Gray and 400 and 600 Gray; respectively. Selection of mutants with mutations in morphological,

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... ronomic and quality traits were observed and selected, in both crops. In quinoa eight mutant lines were selected among them MQLM89-149 with higher yield equal to 4258.6 kg/ ha, surpassing the control at 205.63% and MQLM89-42 with 14.7% grain protein, superior to the parent material with 12.3%. In kiwichanine mutant lines with 27 to 50% better yield potential than the parent material were selected.