The Resistance of Quinoa (Chenopodium quinoaWilld.) to Adverse Abiotic Factors

Autor:	A. Mujica, C. R. Jensen, Sven-Erik Jacobsen
Rok vydání:	2003
Předmět:	Abiotic component Soil salinity Resistance (ecology) biology Chenopodium Phenology General Chemical Engineering fungi food and beverages biology.organism_classification Snow Crop Agronomy Frost Food Science
Zdroj:	Food Reviews International. 19:99-109
ISSN:	1525-6103 8755-9129
DOI:	10.1081/fri-120018872
Popis:	Quinoa (Chenopodium quinoaWilld.) has been cultivated in the Andean region for thousands of years, providing highly nutritious food to poor farmers in the Andes. The conditions for crop growth are very difficult in the high region of the Andes, where the most harmful abiotic adverse factors that affect crop production are drought, frost, soil salinity, hail, snow, wind, flooding, and heat. Quinoa can grow with only 200 mm of rainfall in pure sand. Fourteen lines with improved drought resistance have been identified, and several drought-mediating mechanisms have been found. The crop has also demonstrated unusually high salt tolerance; many varieties can grow in salt concentrations as high as those found in seawater (40 mS cm−1), and four lines have been identified with even higher tolerance. Quinoa also has a high degree of frost resistance, surviving −8°C for up to 4 hours, depending on phenological phase and variety.
Databáze:	OpenAIRE
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