Identification of novel resistance against blackleg across wild Brassicaceae species and introgression using wide hybridization

Fangning Zhang

doi:10.26182/5f1f971b635f3

Identification of novel resistance against blackleg across wild Brassicaceae species and introgression using wide hybridization

Fangning Zhang

School of Biological Sciences

Research output: Thesis › Doctoral Thesis

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Abstract

Brassica napus (canola) is an important crop contributing to global production of edible oil. However, its yield is severely threatened by blackleg disease, caused by fungal pathogen Leptosphaeria maculans. It is of vital importance to introduce stable and sustainable resistance towards blackleg disease into canola cultivars. We identified wild Brassicaceae germplasm with broad-spectrum blackleg resistance and conducted wide hybridization between wild species and B. napus genotypes. Phenotypic and cytogenetic analysis within hybrid progenies supported the possibility of resistance introgression using hybridization. The outcome from this research provides information of wild Brassicaceae species and supports further breeding of canola cultivars.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	The University of Western Australia
Supervisors/Advisors	Batley, Jacqueline, Supervisor Edwards, Dave, Supervisor Yan, Guijun, Supervisor
Award date	1 Jul 2020
DOIs	https://doi.org/10.26182/5f1f971b635f3
Publication status	Unpublished - 2020

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10.26182/5f1f971b635f3

THESIS - DOCTOR OF PHILOSOPHY - ZHANG Fangning - 2020
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title = "Identification of novel resistance against blackleg across wild Brassicaceae species and introgression using wide hybridization",

abstract = "Brassica napus (canola) is an important crop contributing to global production of edible oil. However, its yield is severely threatened by blackleg disease, caused by fungal pathogen Leptosphaeria maculans. It is of vital importance to introduce stable and sustainable resistance towards blackleg disease into canola cultivars. We identified wild Brassicaceae germplasm with broad-spectrum blackleg resistance and conducted wide hybridization between wild species and B. napus genotypes. Phenotypic and cytogenetic analysis within hybrid progenies supported the possibility of resistance introgression using hybridization. The outcome from this research provides information of wild Brassicaceae species and supports further breeding of canola cultivars.",

keywords = "Brassicaceae species, Leptosphaeria maculans, Blackleg, Phenotyping, germplasm identification, Candidate major resistance gene, Wide hybridization, Resistance introgression",

author = "Fangning Zhang",

year = "2020",

doi = "10.26182/5f1f971b635f3",

language = "English",

school = "The University of Western Australia",

}

TY - BOOK

T1 - Identification of novel resistance against blackleg across wild Brassicaceae species and introgression using wide hybridization

AU - Zhang, Fangning

PY - 2020

Y1 - 2020

N2 - Brassica napus (canola) is an important crop contributing to global production of edible oil. However, its yield is severely threatened by blackleg disease, caused by fungal pathogen Leptosphaeria maculans. It is of vital importance to introduce stable and sustainable resistance towards blackleg disease into canola cultivars. We identified wild Brassicaceae germplasm with broad-spectrum blackleg resistance and conducted wide hybridization between wild species and B. napus genotypes. Phenotypic and cytogenetic analysis within hybrid progenies supported the possibility of resistance introgression using hybridization. The outcome from this research provides information of wild Brassicaceae species and supports further breeding of canola cultivars.

AB - Brassica napus (canola) is an important crop contributing to global production of edible oil. However, its yield is severely threatened by blackleg disease, caused by fungal pathogen Leptosphaeria maculans. It is of vital importance to introduce stable and sustainable resistance towards blackleg disease into canola cultivars. We identified wild Brassicaceae germplasm with broad-spectrum blackleg resistance and conducted wide hybridization between wild species and B. napus genotypes. Phenotypic and cytogenetic analysis within hybrid progenies supported the possibility of resistance introgression using hybridization. The outcome from this research provides information of wild Brassicaceae species and supports further breeding of canola cultivars.

KW - Brassicaceae species

KW - Leptosphaeria maculans

KW - Blackleg

KW - Phenotyping

KW - germplasm identification

KW - Candidate major resistance gene

KW - Wide hybridization

KW - Resistance introgression

U2 - 10.26182/5f1f971b635f3

DO - 10.26182/5f1f971b635f3

M3 - Doctoral Thesis

ER -

Identification of novel resistance against blackleg across wild Brassicaceae species and introgression using wide hybridization

Abstract

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