This document discusses quinoa (Chenopodium quinoa), a crop grown in the Andean region for thousands of years that is highly resistant to drought, frost, and saline soils. It has various mechanisms for drought resistance, escape, and tolerance, though not all genotypes possess all mechanisms. Drought resistance is mainly through precocity to escape terminal drought. While quinoa can tolerate drought through plasticity, low water potential, reduced leaf area, presence of calcium oxalate crystals, and stomatal behavior, there are inconsistencies in the literature regarding its actual drought resistance level and most sensitive phenological phase.

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