Registration of WGC002 spring wheat containing wild grass‐derived Fusarium head blight resistance gene <i>Fhb7<sup>The2</sup></i>-Reference-Cited by-同舟云学术

Registration of WGC002 spring wheat containing wild grass‐derived Fusarium head blight resistance gene Fhb7^The2

Published:2024-01 Issue:1 Volume:18 Page:179-186
ISSN:1936-5209
Container-title:Journal of Plant Registrations
language:en
Short-container-title:J of Plant Registrations

Author:

Cai Xiwen¹²^ORCID,Danilova Tatiana¹,Charif Ahmed²,Wang Fang²,Zhang Wei³⁴,Zhang Mingyi⁴,Ren Shuangfeng⁴,Zhu Xianwen⁴,Zhong Shaobin⁵,Dykes Linda⁶^ORCID,Fiedler Jason⁶,Xu Steven⁷,Frels Katherine²,Wegulo Stephen⁸,Boehm Jeffrey¹²^ORCID,Funnell‐Harris Deanna¹⁸

Affiliation:

1. USDA‐ARS, Wheat, Sorghum & Forage Research Unit Lincoln Nebraska USA

2. Department of Agronomy and Horticulture University of Nebraska Lincoln Nebraska USA

3. Shanxi Key Laboratory of Minor Crop Germplasm Innovation and Molecular Breeding Shanxi Agricultural University Taiyuan 030031 China

4. Departments of Plant Sciences North Dakota State University Fargo North Dakota 58108 USA

5. Department of Plant Pathology North Dakota State University Fargo North Dakota 58108 USA

6. USDA‐ARS, Cereal Crops Research Unit Edward T. Schafer Agricultural Research Center Fargo North Dakota 58102 USA

7. USDA‐ARS, Crop Improvement and Genetics Research Unit Western Regional Research Center Albany California 94710 USA

8. Department of Plant Pathology University of Nebraska Lincoln Nebraska 68583 USA

Abstract

AbstractThe USDA‐ARS and North Dakota State University Agricultural Experiment Station jointly released the Fusarium head blight (FHB)‐resistant spring wheat (Triticum aestivum L.) germplasm WGC002 (Reg. no. GP‐1089, PI 702949) in May 2023. WGC002 is a wheat‐Thinopyrum elongatum 7B‐7E translocation line, designated 7BS·7BL‐7EL, with the wheat chromosome 7BL terminal region replaced by the homoeologous counterpart of the Th. elongatum chromosome 7EL that contains the novel FHB resistance gene Fhb7The2. WGC002 was developed from the Chinese Spring (CS) wheat‐Th. elongatum disomic substitution line DS 7E(7B) using our genomics‐enabled chromosome engineering pipeline. The pedigree of WGC002 is DS 7E(7B)/2*CS ph1b mutant//DS 7E(7B). WGC002 has consistently exhibited resistance to FHB in inoculations of greenhouse grown plants. WGC002 does not contain the yellow flour pigment gene in the Fhb7The2 haplotype present on the terminal 7EL segment of the 7BS·7BL‐7EL translocation and has not exhibited any obvious linkage drag on the 7EL segment. Therefore, WGC002 is ready for immediate use in wheat breeding. One sequence‐tagged site (STS) and two polymerase chain reaction allelic competitive extension markers were developed specifically for Fhb7The2 and validated in different wheat genotypes. They are highly diagnostic for Fhb7The2 and extremely useful in marker‐assisted introgression of Fhb7The2 in wheat breeding. In summary, WGC002 is a new wild grass‐derived FHB‐resistant spring wheat germplasm with diagnostic DNA markers available to conduct marker‐assisted selection of Fhb7The2, that will enhance and diversify FHB resistance of wheat.

Funder

National Institute of Food and Agriculture

Publisher

Wiley

Link

https://acsess.onlinelibrary.wiley.com/doi/am-pdf/10.1002/plr2.20342

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