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Sustainability 2015, 7(3), 3230-3243;

A Crossing Method for Quinoa

Department of Crop and Soil Sciences, Washington State University, 113 Johnson Hall, Pullman, WA 99164-6420, USA
Faculty of Science, Department of Plant and Environmental Sciences, University of Copenhagen, Højbakkegaard Alle 13, DK-2630 Taastrup, Denmark
Fundación PROINPA, Americo Vespucio Nro 538, 3er piso, La Paz, Bolivia
Author to whom correspondence should be addressed.
Academic Editor: Marc A. Rosen
Received: 20 December 2014 / Revised: 8 March 2015 / Accepted: 11 March 2015 / Published: 17 March 2015
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As sustainable production of quinoa (Chenopodium quinoa Willd.) increases and its geographic range of cultivation expands, quinoa breeding will allow use of the crop’s wide genetic diversity for cultivar improvement and for adaptation to new agroecosystems and climactic regimes. Such breeding work will require a reliable technique for crossing quinoa plants using hand emasculation. The technique described herein focuses on the isolation of small flower clusters produced low on the plant, emasculation of male flowers, and subsequent pairing of the emasculated female parent with a male parent undergoing anthesis. Various traits, such as plant color, seed color, and axil pigmentation can be used to confirm the successful production of F1 plants. The manual hybridization technology provides a significant advantage over pairing plants and relying on chance cross-pollination, and has been successfully used to generate crosses between quinoa cultivars, as well as interspecific crosses between quinoa and Chenopodium berlandieri. This technology will help pave the way for the introduction and sustainable expansion of quinoa on a global scale across a wide range of target environments and diverse farming systems. View Full-Text
Keywords: quinoa; quinoa hybridization; quinoa breeding quinoa; quinoa hybridization; quinoa breeding

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Peterson, A.; Jacobsen, S.-E.; Bonifacio, A.; Murphy, K. A Crossing Method for Quinoa. Sustainability 2015, 7, 3230-3243.

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