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Dissecting the genetic architecture of phenology affecting adaptation of spring bread wheat genotypes to the major wheat-producing zones in India

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Title Dissecting the genetic architecture of phenology affecting adaptation of spring bread wheat genotypes to the major wheat-producing zones in India
 
Creator Bhati, Pradeep
Juliana, Philomin
Singh, Ravi P.
Joshi, Arun Kumar
Vishwakarma, Manish Kumar
Poland, Jesse
Velu, Govindan
Shrestha, Sandesh
Crespo-Herrera, Leonardo A.
Mondal, Suchismita
Huerta-Espino, Julio
Kumar, Uttam
 
Subject adaptation
heading
maturity
environment
wheat
 
Description Spring bread wheat adaptation to diverse environments is supported by various traits such as phenology and plant architecture. A large-scale genome-wide association study (GWAS) was designed to investigate and dissect the genetic architecture of phenology affecting adaptation. It used 48 datasets from 4,680 spring wheat lines. For 8 years (2014–2021), these lines were evaluated for days to heading (DH) and maturity (DM) at three sites: Jabalpur, Ludhiana, and Samastipur (Pusa), which represent the three major Indian wheat-producing zones: the Central Zone (CZ), North-Western Plain Zone (NWPZ), and North-Eastern Plain Zone (NEPZ), respectively. Ludhiana had the highest mean DH of 103.8 days and DM of 148.6 days, whereas Jabalpur had the lowest mean DH of 77.7 days and DM of 121.6 days. We identified 119 markers significantly associated with DH and DM on chromosomes 5B (76), 2B (18), 7D (10), 4D (8), 5A (1), 6B (4), 7B (1), and 3D (1). Our results clearly indicated the importance of the photoperiod-associated gene (Ppd-B1) for adaptation to the NWPZ and the Vrn-B1 gene for adaptation to the NEPZ and CZ. A maximum variation of 21.1 and 14% was explained by markers 2B_56134146 and 5B_574145576 linked to the Ppd-B1 and Vrn-B1 genes, respectively, indicating their significant role in regulating DH and DM. The results provide important insights into the genomic regions associated with the two phenological traits that influence adaptation to the major wheat-producing zones in India.
 
Date 2022-07-06
2023-01-05T08:07:31Z
2023-01-05T08:07:31Z
 
Type Journal Article
 
Identifier Bhati, P.K., Juliana, P., Singh, R.P., Joshi, A.K., Vishwakarma, M.K., Poland, J., Govindan, V., Shrestha, S., Crespo-Herrera, L., Mondal, S., Huerta-Espino, J. and Kumar, U. 2022. Dissecting the genetic architecture of phenology affecting adaptation of spring bread wheat genotypes to the major wheat-producing zones in India. Frontiers in Plant Science 13:920682. https://hdl.handle.net/10883/22139
1664-462X
https://hdl.handle.net/10568/126584
https://hdl.handle.net/10883/22139
https://doi.org/10.3389/fpls.2022.920682
 
Language en
 
Rights CC-BY-4.0
Open Access
 
Format application/pdf
 
Source Frontiers in Plant Science