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Mapping of a new gene for resistance to broomrape races higher than F

Authorized Users Only
2016
Authors
Imerovski, Ivana
Dimitrijević, Aleksandra
Miladinović, Dragana
Dedić, Boško
Jocić, Siniša
Kočiš-Tubić, Nataša
Cvejić, Sandra
Article (Published version)
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Abstract
Broomrape (Orobanche cumana) is one of the most important parasitic plants that can drastically reduce sunflower yield. Breeding for resistance is regarded as the most effective and environmentally friendly control measure. Due to the constant changes in broomrape race composition, i.e. the emergence of races F and higher, the majority of the existing resistance genes have become insufficient for crop protection. In this paper we report the genetic analysis and mapping of a new resistance gene for broomrape races higher than F. Broomrape resistance was evaluated using F-1 plants and F-2:3 families derived from a cross between the resistant sunflower inbred line AB-VL-8 and the susceptible line L-OS-1. The results showed that F-1 plants were susceptible, indicating a recessive resistance. In the derived F-2 population and F-3 families, the resistance segregation deviated significantly from the one-gene Mendelian ratio. However, marker analysis revealed polymorphism only on LG3, indicati...ng that presumably single gene in this region conferred the resistance. The closest marker to the gene, tentatively designated as or (ab-vl-8), was ORS683 with the genetic distance of 1.5 centimorgans. The discovery of or (ab-vl-8) will provide a much needed new sunflower resistance gene for new broomrape races, and the associated markers will facilitate the introgression of the gene into different sunflower lines.

Keywords:
Broomrape / or(ab-vl-8) / Resistance genes / SSR / Sunflower
Source:
Euphytica, 2016, 209, 2, 281-289
Publisher:
  • Springer, Dordrecht
Funding / projects:
  • Development of new varieties and production technology improvement of oil crops for different purposes (RS-31025)

DOI: 10.1007/s10681-015-1597-7

ISSN: 0014-2336

WoS: 000375064500001

Scopus: 2-s2.0-84946865903
[ Google Scholar ]
20
15
URI
http://fiver.ifvcns.rs/handle/123456789/1549
Collections
  • Radovi istraživača / Researchers' papers
Institution/Community
FiVeR
TY  - JOUR
AU  - Imerovski, Ivana
AU  - Dimitrijević, Aleksandra
AU  - Miladinović, Dragana
AU  - Dedić, Boško
AU  - Jocić, Siniša
AU  - Kočiš-Tubić, Nataša
AU  - Cvejić, Sandra
PY  - 2016
UR  - http://fiver.ifvcns.rs/handle/123456789/1549
AB  - Broomrape (Orobanche cumana) is one of the most important parasitic plants that can drastically reduce sunflower yield. Breeding for resistance is regarded as the most effective and environmentally friendly control measure. Due to the constant changes in broomrape race composition, i.e. the emergence of races F and higher, the majority of the existing resistance genes have become insufficient for crop protection. In this paper we report the genetic analysis and mapping of a new resistance gene for broomrape races higher than F. Broomrape resistance was evaluated using F-1 plants and F-2:3 families derived from a cross between the resistant sunflower inbred line AB-VL-8 and the susceptible line L-OS-1. The results showed that F-1 plants were susceptible, indicating a recessive resistance. In the derived F-2 population and F-3 families, the resistance segregation deviated significantly from the one-gene Mendelian ratio. However, marker analysis revealed polymorphism only on LG3, indicating that presumably single gene in this region conferred the resistance. The closest marker to the gene, tentatively designated as or (ab-vl-8), was ORS683 with the genetic distance of 1.5 centimorgans. The discovery of or (ab-vl-8) will provide a much needed new sunflower resistance gene for new broomrape races, and the associated markers will facilitate the introgression of the gene into different sunflower lines.
PB  - Springer, Dordrecht
T2  - Euphytica
T1  - Mapping of a new gene for resistance to broomrape races higher than F
EP  - 289
IS  - 2
SP  - 281
VL  - 209
DO  - 10.1007/s10681-015-1597-7
ER  - 
@article{
author = "Imerovski, Ivana and Dimitrijević, Aleksandra and Miladinović, Dragana and Dedić, Boško and Jocić, Siniša and Kočiš-Tubić, Nataša and Cvejić, Sandra",
year = "2016",
abstract = "Broomrape (Orobanche cumana) is one of the most important parasitic plants that can drastically reduce sunflower yield. Breeding for resistance is regarded as the most effective and environmentally friendly control measure. Due to the constant changes in broomrape race composition, i.e. the emergence of races F and higher, the majority of the existing resistance genes have become insufficient for crop protection. In this paper we report the genetic analysis and mapping of a new resistance gene for broomrape races higher than F. Broomrape resistance was evaluated using F-1 plants and F-2:3 families derived from a cross between the resistant sunflower inbred line AB-VL-8 and the susceptible line L-OS-1. The results showed that F-1 plants were susceptible, indicating a recessive resistance. In the derived F-2 population and F-3 families, the resistance segregation deviated significantly from the one-gene Mendelian ratio. However, marker analysis revealed polymorphism only on LG3, indicating that presumably single gene in this region conferred the resistance. The closest marker to the gene, tentatively designated as or (ab-vl-8), was ORS683 with the genetic distance of 1.5 centimorgans. The discovery of or (ab-vl-8) will provide a much needed new sunflower resistance gene for new broomrape races, and the associated markers will facilitate the introgression of the gene into different sunflower lines.",
publisher = "Springer, Dordrecht",
journal = "Euphytica",
title = "Mapping of a new gene for resistance to broomrape races higher than F",
pages = "289-281",
number = "2",
volume = "209",
doi = "10.1007/s10681-015-1597-7"
}
Imerovski, I., Dimitrijević, A., Miladinović, D., Dedić, B., Jocić, S., Kočiš-Tubić, N.,& Cvejić, S.. (2016). Mapping of a new gene for resistance to broomrape races higher than F. in Euphytica
Springer, Dordrecht., 209(2), 281-289.
https://doi.org/10.1007/s10681-015-1597-7
Imerovski I, Dimitrijević A, Miladinović D, Dedić B, Jocić S, Kočiš-Tubić N, Cvejić S. Mapping of a new gene for resistance to broomrape races higher than F. in Euphytica. 2016;209(2):281-289.
doi:10.1007/s10681-015-1597-7 .
Imerovski, Ivana, Dimitrijević, Aleksandra, Miladinović, Dragana, Dedić, Boško, Jocić, Siniša, Kočiš-Tubić, Nataša, Cvejić, Sandra, "Mapping of a new gene for resistance to broomrape races higher than F" in Euphytica, 209, no. 2 (2016):281-289,
https://doi.org/10.1007/s10681-015-1597-7 . .

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