Usman Ijaz

Dr. Usman Ijaz

Australian Grain Technologies

Research Focus & Metrics

Academic Career Length

10Years (2017-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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6 July 2021 in Agronomy
Verified
Journal Article
Open access
PDF file
UIUsman Ijaz
Usman Ijaz
SSshimna sudheesh
shimna sudheesh
Sukhjiwan KaurSukhjiwan Kaur
Sukhjiwan Kaur
ASAbdus Sadeque
Abdus Sadeque
Harbans Singh BarianaHarbans Singh Bariana
Harbans Singh Bariana
Kedar Nath AdhikariKedar Nath Adhikari
Kedar Nath Adhikari
Faba bean is gaining attention in Australia as a rotation grain legume where most of the country’s produce is exported. Rust, caused by Uromyces viciae-fabae, is a major constraint to Faba bean production in eastern Australia and its chemical control results in increased cost of production. The deployment of diverse sources of resistance in new cultivars underpins economic and eco-friendly control of rust diseases of crops. A selection from cultivar Doza (Doza#12034) and a European accession Ac1655 exhibited seedling rust resistance against U. viciae-fabae pathotype 24–40. Doza#12034 and Ac1655 were crossed with a susceptible genotype Fiord and recombinant inbred line (RIL) F6 populations were generated. Rust tests on Fiord/Doza#12034 and Fiord/Ac1655 F4 and F6 populations demonstrated monogenic inheritance of resistance in both crosses and the underlying resistance loci were named Uvf-2 and Uvf-3, respectively. Genetic mapping of both RIL populations located Uvf-2 and Uvf-3 in chromosomes III and V, respectively. The SNPs that showed linkage with Uvf-2 and Uvf-3 were converted into kompititive allele specific PCR (KASP) assays. Markers KASP_Vf_0703 and KASP_C250539 flanked Uvf-2 at 4.9 cM and 2.9 cM distances, whereas Uvf-3 was flanked by KASP_Ac×F165 (2.5 cM) and KASP_vf_1090 (10.1 cM). Markers KASP_Vf_0703 and KASP_Ac×F165 can be used for marker-assisted selection of Uvf-2 and Uvf-3, respectively, after confirming parental polymorphisms.

23 November 2017 in Australasian Plant Pathology
Verified
Journal Article
Closed access
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UIUsman Ijaz
Usman Ijaz
KAKedar N. Adhikari
Kedar N. Adhikari
FSFrederick L. Stoddard
Frederick L. Stoddard
RTRichard M. Trethowan
Richard M. Trethowan

25 May 2020 in Plant Pathology
Verified
Journal Article
Closed access
PDF file
UIUsman Ijaz
Usman Ijaz
MAMichael Ayliffe
Michael Ayliffe
KAKedar Adhikari
Kedar Adhikari
HBHarbans Bariana
Harbans Bariana
UBUrmil Bansal
Urmil Bansal