Evaluation of Flax Genotypes for Cold Tolerance and Yield in South-East Texas
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2014 Blackwell Verlag GmbH. Flax is an established crop in many parts of the world due to its positive health effects and numerous industrial uses. Due to increasing interest in biofuels, flax has been evaluated throughout the U.S.A. as a potential biodiesel crop. The main purpose of this research was to evaluate current and historical genotypes of flax in different regions of south-east Texas. Twenty genotypes of flax were evaluated under dryland conditions for their agronomic and yield potential in College Station and McGregor, TX starting in 2008 thru 2011. The results suggest that all genotypes developed in Texas showed acceptable cold tolerance compared with genotypes developed in other locations. There were significant genotype-environment interactions (P<0.001). A cross between Caldwell/Dillman (Texas genotype) was highly adapted to the environments of south-east Texas. Nekoma and York (genotypes developed in North Dakota) yielded well in non-cold years (>28 F) at College Station. Utilization of cold tolerance trait identified in Texas genotypes coupled with high yield potential of modern genotypes would have a significant impact on yield improvement of flax in south-east Texas. Overall, flax is well adapted to growth in the area surrounding College Station, TX and has potential as an oilseed crop for production in south-east Texas.
