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QTL mapping for field resistance to wheat blast in the Caninde#1/Alondra population

He, Xinyao and Kabir, Muhammad Rezaul and Roy, Krishna K. and Anwar, Md. Babul and Xu, Kaijie and Marza, Felix and Odilbekov, Firuz and Chawade, Aakash and Duveiller, Etienne and Huttner, Eric and Singh, Pawan K. (2020). QTL mapping for field resistance to wheat blast in the Caninde#1/Alondra population. TAG Theoretical and Applied Genetics. 133 , 2673-2683
[Journal article]

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Abstract

Key message Wheat blast resistance in Caninde#1 is controlled by a major QTL on 2NS/2AS translocation and multiple minor QTL in an additive mode. Wheat blast (WB) is a devastating disease in South America, and it recently also emerged in Bangladesh. Host resistance to WB has relied heavily on the 2NS/2AS translocation, but the responsible QTL has not been mapped and its phenotypic effects in different environments have not been reported. In the current study, a recombinant inbred line population with 298 progenies was generated, with the female and male parents being Caninde#1 (with 2NS) and Alondra (without 2NS), respectively. Phenotyping was carried out in two locations in Bolivia, namely Quirusillas and Okinawa, and one location in Bangladesh, Jashore, with two sowing dates in each of the two cropping seasons in each location, during the years 2017-2019. Genotyping was performed with the DArTseq (R) technology along with five previously reported STS markers in the 2NS region. QTL mapping identified a major and consistent QTL on 2NS/2AS region, explaining between 22.4 and 50.1% of the phenotypic variation in different environments. Additional QTL were detected on chromosomes 1AS, 2BL, 3AL, 4BS, 4DL and 7BS, all additive to the 2NS QTL and showing phenotypic effects less than 10%. Two codominant STS markers,WGGB156andWGGB159, were linked proximally to the 2NS/2AS QTL with a genetic distance of 0.9 cM, being potentially useful in marker-assisted selection.

Authors/Creators:He, Xinyao and Kabir, Muhammad Rezaul and Roy, Krishna K. and Anwar, Md. Babul and Xu, Kaijie and Marza, Felix and Odilbekov, Firuz and Chawade, Aakash and Duveiller, Etienne and Huttner, Eric and Singh, Pawan K.
Title:QTL mapping for field resistance to wheat blast in the Caninde#1/Alondra population
Year of publishing :2020
Volume:133
Page range:2673-2683
Number of Pages:11
Publisher:Springer
ISSN:0040-5752
Language:English
Publication Type:Journal article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Agricultural Science
URN:NBN:urn:nbn:se:slu:epsilon-p-106731
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-106731
Additional ID:
Type of IDID
DOI10.1007/s00122-020-03624-x
Web of Science (WoS)000539438100003
ID Code:17405
Faculty:LTV - Fakulteten för landskapsarkitektur, trädgårds- och växtproduktionsvetenskap
Department:(LTJ, LTV) > Department of Plant Breeding (from 130101)
Deposited By: SLUpub Connector
Deposited On:07 Sep 2020 09:34
Metadata Last Modified:07 Sep 2020 09:34

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