Crop phenotyping for wheat yield and yield components against drought stress

Pouri, K.; Mardeh, A. Sio-Se; Sohrabi, Yousef; Soltani, Afshin

doi:10.1556/0806.47.2019.005

Cited by 1 publication

(1 citation statement)

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“…Grain yield in wheat can usually be described by yield components, the spikes per plant, the grain number per spike, and the thousand kernel weight, and the plant number per given area. The yield component traits are also influenced by several physiological traits like plant height (PH) and biomass (BM) in different populations (Guan et al 2018;Pouri et al 2019). Furthermore, PH could be a suitable trait to model the dissection of drought tolerance (Zhang et al 2011).…”

Section: Introductionmentioning

confidence: 99%

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

Nagy

Szabó-Hevér

Lehoczki-Krsjak

et al. 2021

CEREAL RESEARCH COMMUNICATIONS

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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.

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Section: Introductionmentioning

confidence: 99%