Evaluation of techniques for screening for drought resistance in wheat

Clarke, J.M. and McCaig, T.N. (1982) Evaluation of techniques for screening for drought resistance in wheat. Crop Science, 22 (3). pp. 503-506.

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Eight durum and ten hexaploid varieties were grown in two years. Yields under rainfed and irrigated conditions were used to assess resistance. Among durum wheats, DT367 and Cando had high yields under both environments. Lakota and Pelissier ranked better under rainfed than irrigated conditions, indicating adaptation to dry conditions. Among hexaploids, Echo, Amy and Pitic 62 had high, stable yields, while Canuck showed improved yield rank under rainfed conditions. No varietal differences were detected by measuring diffusive resistance (autoporometer) or leaf temperature (hand-held infrared thermometer screening method). However, there were differences in excised leaf water loss rate. Pelissier had the best water retention capacity. Progeny of Pelissier X Hercules showed retention capacities ranging between parental values. Visual rating of excised leaves identified lines with superior water retention capacities

Item Type: Article
Author Affiliation: Res. Sta., Res. Branch, Agric. Canada, Swift Current, Sask., Canada
Subjects: Crop Improvement > Genetics/Genomics
Crop Improvement > Plant Breeding
Divisions: Other Crops
Depositing User: Syamala
Date Deposited: 23 Feb 2011 17:52
Last Modified: 23 Feb 2011 17:52
Official URL: http://dx.doi.org/10.2135/cropsci1982.0011183X0022...
URI: http://eprints.icrisat.ac.in/id/eprint/1527

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