10.6084/M9.FIGSHARE.19403342.V1
Jingtian Yang
Jingtian
Yang
Zhengqiao Liao
Zhengqiao
Liao
Baoguo Du
Baoguo
Du
Kuan Zhang
Kuan
Zhang
Lei Liu
Lei
Liu
Two QTL for kernel number per spike identified from durum wheat
<p>As one of the three yield components, kernel number per spike (KNPS) plays a key role in determining wheat yield. In this study, in combination with the previously constructed genetic map for a tetraploid wheat recombinant inbred line (RIL) population developed from the cross between a durum wheat and a wild emmer wheat and phenotype data from four environments, two major and stably expressed quantitative trait loci (QTL) for KNPS were identified. The phenotypic variation explained by these two QTL, <i>Qknps-DW-3A.1</i> and <i>Qknps-DW-3A.2</i>, was up to 12.52% and 29.52%, respectively. The positive alleles were both from the durum wheat. Pyramiding analysis suggested that the combination of these two positive alleles has the largest effect on increasing KNPS. Comparison of physical interval for these two QTL with those reported previously showed that they may be novel loci. Genetic correlations between KNPS and other agronomic traits were also evaluated. Taken together, the two major and stably expressed QTL for KNPS from tetraploid wheat reported here they should be useful in wheat breeding.</p>
Genetics
Neuroscience
Environmental Sciences not elsewhere classified
Developmental Biology
Plant Biology
Taylor & Francis
2022
2022-03-23
2024-02-05
Dataset
208281 Bytes
10.6084/m9.figshare.19403342
10.1080/13102818.2022.2054728
CC BY 4.0