Genetic and Association Mapping Study of Wheat Agronomic Traits Under Contrasting Water Regimes
2012
Autori
Dodig, DejanZorić, Miroslav
Kobiljski, Borislav
Savić, Jasna
Kandić, Vesna
Quarrie, Steve
Barnes, Jeremy
Članak u časopisu (Objavljena verzija)
Metapodaci
Prikaz svih podataka o dokumentuApstrakt
Genetic analyses and association mapping were performed on a winter wheat core collection of 96 accessions sampled from a variety of geographic origins. Twenty-four agronomic traits were evaluated over 3 years under fully irrigated, rainfed and drought treatments. Grain yield was the most sensitive trait to water deficit and was highly correlated with above-ground biomass per plant and number of kernels per m(2). The germplasm was structured into four subpopulations. The association of 46 SSR loci distributed throughout the wheat genome with yield and agronomic traits was analyzed using a general linear model, where subpopulation information was used to control false-positive or spurious marker-trait associations (MTAs). A total of 26, 21 and 29 significant (P lt 0.001) MTAs were identified in irrigated, rainfed and drought treatments, respectively. The marker effects ranged from 14.0 to 50.8%. Combined across all treatments, 34 significant (P lt 0.001) MTAs were identified with ni...ne markers, and R-2 ranged from 14.5 to 50.2%. Marker psp3200 (6DS) and particularly gwm484 (2DS) were associated with many significant MTAs in each treatment and explained the greatest proportion of phenotypic variation. Although we were not able to recognize any marker related to grain yield under drought stress, a number of MTAs associated with developmental and agronomic traits highly correlated with grain yield under drought were identified.
Ključne reči:
wheat / agronomic traits / drought / population structure / association mappingIzvor:
International Journal of Molecular Sciences, 2012, 13, 5, 6167-6188Izdavač:
- MDPI, BASEL
Finansiranje / projekti:
- Savremeni biotehnološki pristup rešavanja problema suše u poljoprivredi Srbije (RS-31005)
- EUEuropean Union (EU) [254064]
DOI: 10.3390/ijms13056167
ISSN: 1661-6596
PubMed: 22754357
WoS: 000306186200061
Scopus: 2-s2.0-84861565955
Institucija/grupa
Poljoprivredni fakultetTY - JOUR AU - Dodig, Dejan AU - Zorić, Miroslav AU - Kobiljski, Borislav AU - Savić, Jasna AU - Kandić, Vesna AU - Quarrie, Steve AU - Barnes, Jeremy PY - 2012 UR - http://aspace.agrif.bg.ac.rs/handle/123456789/2953 AB - Genetic analyses and association mapping were performed on a winter wheat core collection of 96 accessions sampled from a variety of geographic origins. Twenty-four agronomic traits were evaluated over 3 years under fully irrigated, rainfed and drought treatments. Grain yield was the most sensitive trait to water deficit and was highly correlated with above-ground biomass per plant and number of kernels per m(2). The germplasm was structured into four subpopulations. The association of 46 SSR loci distributed throughout the wheat genome with yield and agronomic traits was analyzed using a general linear model, where subpopulation information was used to control false-positive or spurious marker-trait associations (MTAs). A total of 26, 21 and 29 significant (P lt 0.001) MTAs were identified in irrigated, rainfed and drought treatments, respectively. The marker effects ranged from 14.0 to 50.8%. Combined across all treatments, 34 significant (P lt 0.001) MTAs were identified with nine markers, and R-2 ranged from 14.5 to 50.2%. Marker psp3200 (6DS) and particularly gwm484 (2DS) were associated with many significant MTAs in each treatment and explained the greatest proportion of phenotypic variation. Although we were not able to recognize any marker related to grain yield under drought stress, a number of MTAs associated with developmental and agronomic traits highly correlated with grain yield under drought were identified. PB - MDPI, BASEL T2 - International Journal of Molecular Sciences T1 - Genetic and Association Mapping Study of Wheat Agronomic Traits Under Contrasting Water Regimes EP - 6188 IS - 5 SP - 6167 VL - 13 DO - 10.3390/ijms13056167 ER -
@article{ author = "Dodig, Dejan and Zorić, Miroslav and Kobiljski, Borislav and Savić, Jasna and Kandić, Vesna and Quarrie, Steve and Barnes, Jeremy", year = "2012", abstract = "Genetic analyses and association mapping were performed on a winter wheat core collection of 96 accessions sampled from a variety of geographic origins. Twenty-four agronomic traits were evaluated over 3 years under fully irrigated, rainfed and drought treatments. Grain yield was the most sensitive trait to water deficit and was highly correlated with above-ground biomass per plant and number of kernels per m(2). The germplasm was structured into four subpopulations. The association of 46 SSR loci distributed throughout the wheat genome with yield and agronomic traits was analyzed using a general linear model, where subpopulation information was used to control false-positive or spurious marker-trait associations (MTAs). A total of 26, 21 and 29 significant (P lt 0.001) MTAs were identified in irrigated, rainfed and drought treatments, respectively. The marker effects ranged from 14.0 to 50.8%. Combined across all treatments, 34 significant (P lt 0.001) MTAs were identified with nine markers, and R-2 ranged from 14.5 to 50.2%. Marker psp3200 (6DS) and particularly gwm484 (2DS) were associated with many significant MTAs in each treatment and explained the greatest proportion of phenotypic variation. Although we were not able to recognize any marker related to grain yield under drought stress, a number of MTAs associated with developmental and agronomic traits highly correlated with grain yield under drought were identified.", publisher = "MDPI, BASEL", journal = "International Journal of Molecular Sciences", title = "Genetic and Association Mapping Study of Wheat Agronomic Traits Under Contrasting Water Regimes", pages = "6188-6167", number = "5", volume = "13", doi = "10.3390/ijms13056167" }
Dodig, D., Zorić, M., Kobiljski, B., Savić, J., Kandić, V., Quarrie, S.,& Barnes, J.. (2012). Genetic and Association Mapping Study of Wheat Agronomic Traits Under Contrasting Water Regimes. in International Journal of Molecular Sciences MDPI, BASEL., 13(5), 6167-6188. https://doi.org/10.3390/ijms13056167
Dodig D, Zorić M, Kobiljski B, Savić J, Kandić V, Quarrie S, Barnes J. Genetic and Association Mapping Study of Wheat Agronomic Traits Under Contrasting Water Regimes. in International Journal of Molecular Sciences. 2012;13(5):6167-6188. doi:10.3390/ijms13056167 .
Dodig, Dejan, Zorić, Miroslav, Kobiljski, Borislav, Savić, Jasna, Kandić, Vesna, Quarrie, Steve, Barnes, Jeremy, "Genetic and Association Mapping Study of Wheat Agronomic Traits Under Contrasting Water Regimes" in International Journal of Molecular Sciences, 13, no. 5 (2012):6167-6188, https://doi.org/10.3390/ijms13056167 . .