Bibliographic citations
Alvarado, C., (2008). Caracterización fenotípica y molecular de la diversidad genética de papas cultivadas por su tolerancia al endulzamiento en frío [Tesis, Universidad Nacional Mayor de San Marcos]. https://hdl.handle.net/20.500.12672/913
Alvarado, C., Caracterización fenotípica y molecular de la diversidad genética de papas cultivadas por su tolerancia al endulzamiento en frío [Tesis]. PE: Universidad Nacional Mayor de San Marcos; 2008. https://hdl.handle.net/20.500.12672/913
@misc{renati/473577,
title = "Caracterización fenotípica y molecular de la diversidad genética de papas cultivadas por su tolerancia al endulzamiento en frío",
author = "Alvarado Aliaga, Carlos Alberto",
publisher = "Universidad Nacional Mayor de San Marcos",
year = "2008"
}
When potato tubers are exposed to temperatures lower than 7 °C, a process known as “Low Temperature Sweetening” takes place. This physiological damage involves the accumulation of the reducing sugars (glucose and fructose) as a result of successive degradation of the starch and its components, and is the principal reason native potato crops are rejected by industry. To maintain its potential as an agroindustrial product, a potato should be processed quickly (before sugars can accumulate) or be cold tolerant so if cold stored, will not change its levels of sugars much. To address this issue, the present thesis work selected native cultivars of potato resistant to cold induced sweetening, and characterized them phenotypically, biochemically, and genetically. This was done at the International Potato Research Institute (CIP), in the laboratories of the Processing, Physiology, and Molecular Biology Division of the department of Germplasm Improvement. There were 40 varieties of native potatoes, selected previously for their frying quality, dry matter content, and reducing sugar content.
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