Detection of drought tolerance-related QTL in the Plainsman V./Cappelle Desprez doubled haploid wheat population

Nagy, É. and Szabó-Hevér, Á. and Lehoczki-Krsjak, S. and Lantos, C. and Kiss, E. and Pauk, J. (2022) Detection of drought tolerance-related QTL in the Plainsman V./Cappelle Desprez doubled haploid wheat population. CEREAL RESEARCH COMMUNICATIONS, 50 (4). pp. 689-698. ISSN 0133-3720 (print), 1788-9170 (online)

Preview

Text CRC_50_689-698.pdf Available under License Creative Commons Attribution. Download (1MB) | Preview

Abstract

Drought stress is one of the major abiotic factors that significantly reduces wheat grain yield. Improving drought tolerance is a challenge that plant breeders are facing nowadays. In this study, our goal was to identify quantitative trait loci (QTL) in the Plainsman V./Cappelle Desprez doubled haploid (DH) population under drought induced as decreased irrigation (ds) and well-watered (ww) conditions in glasshouse. In total, 54 QTL were detected across the three years in two water regimes linked to 10 drought tolerance-related agronomic traits. Out of the detected QTL regions several have been previously reported. The QTL on chromosome 1A (wPt-744613-wPt-8016) related to thousand grain weight was detected in both ds and ww conditions, explaining the 12.7–17.4% of the phenotypic variance. QTL for grain yield was detected on chromosomes 1A, and 6B in the ds treatment. Numerous QTL was identified under both irrigation levels.

Actions (login required)

Edit Item