TY  - CONF
AU  - Kondić-Špika, Ankica
AU  - Trkulja, Dragana
AU  - Mikić, Sanja
AU  - Brbaklić, Ljiljana
AU  - Griffiths, Simon
PY  - 2018
UR  - http://fiver.ifvcns.rs/handle/123456789/2179
AB  - Photoperiod response (Ppd) genes play a key role in fine-tuning of heading and flowering time 
and adaptation of wheat to different agro -climatic conditions, which could increase crop yield. 
The  aim  of  this  study  was  to  analyse  genotypes  carrying  different  Ppd-1  alleles  and  their 
influence  on  wheat  phenology  in  growing  conditions  of  the  South-Eastern  Europe.  The 
experiment was conducted with  10 well-adapted Serbian wheat varieties and 54 NILs of cv. 
Paragon with single, double and triple doses of Ppd-1 alleles. The genotypes were sown in the 
plot size of 2 m
2 
at the location of Rimski Sancevi (45°20`N, 19°51`E), in randomized complete 
block  design  with  3  replications.  Heading  and  flowering  time  were  recorded  during  three 
growing seasons (2014, 2015 and 2017). The results showed that the genotype, growing season 
and their interactions had significant effects on both analysed traits. The Serbian varieties (set 
1) were significantly earlier regarding the heading and flowering time than cv. Paragon,   and 
most of the NILs. The NILs with introgressed single (set 2) insensitivity  Ppd-1  alleles were 
earlier than the original cv. Paragon in 2014 and 2015, but not in 2017. When the same alleles 
were introgressed in a double dose (set 3), they significantly  reduced heading and flowering 
time in all seasons. The NILs with introgressed  Ppd-1  null alleles and knock-outs (set 4) were 
significantly  later  than  cv.  Paragon,  and  all  other  sets  of  genotypes.  All  indicated  changes 
caused by different Ppd-1 alleles were variable expressed in different growing seasons.
PB  - Seeland/OT Gatersleben : Leibniz-Institut für Pflanzengenetik und Kulturpflanzenforschung
PB  - Fundulea : National Agricultural Research and Development Institute
C3  - Proceedings of the 17th EWAC Eucarpia International Conference, 4-8. June 2018, Bucharest, Romania
T1  - Effects of  Ppd  alleles on heading and flowering time of wheat in climatic conditions of  South-Eastern Europe
EP  - 43
SP  - 39
UR  - https://hdl.handle.net/21.15107/rcub_fiver_2179
ER  - 

@conference{
author = "Kondić-Špika, Ankica and Trkulja, Dragana and Mikić, Sanja and Brbaklić, Ljiljana and Griffiths, Simon",
year = "2018",
abstract = "Photoperiod response (Ppd) genes play a key role in fine-tuning of heading and flowering time 
and adaptation of wheat to different agro -climatic conditions, which could increase crop yield. 
The  aim  of  this  study  was  to  analyse  genotypes  carrying  different  Ppd-1  alleles  and  their 
influence  on  wheat  phenology  in  growing  conditions  of  the  South-Eastern  Europe.  The 
experiment was conducted with  10 well-adapted Serbian wheat varieties and 54 NILs of cv. 
Paragon with single, double and triple doses of Ppd-1 alleles. The genotypes were sown in the 
plot size of 2 m
2 
at the location of Rimski Sancevi (45°20`N, 19°51`E), in randomized complete 
block  design  with  3  replications.  Heading  and  flowering  time  were  recorded  during  three 
growing seasons (2014, 2015 and 2017). The results showed that the genotype, growing season 
and their interactions had significant effects on both analysed traits. The Serbian varieties (set 
1) were significantly earlier regarding the heading and flowering time than cv. Paragon,   and 
most of the NILs. The NILs with introgressed single (set 2) insensitivity  Ppd-1  alleles were 
earlier than the original cv. Paragon in 2014 and 2015, but not in 2017. When the same alleles 
were introgressed in a double dose (set 3), they significantly  reduced heading and flowering 
time in all seasons. The NILs with introgressed  Ppd-1  null alleles and knock-outs (set 4) were 
significantly  later  than  cv.  Paragon,  and  all  other  sets  of  genotypes.  All  indicated  changes 
caused by different Ppd-1 alleles were variable expressed in different growing seasons.",
publisher = "Seeland/OT Gatersleben : Leibniz-Institut für Pflanzengenetik und Kulturpflanzenforschung, Fundulea : National Agricultural Research and Development Institute",
journal = "Proceedings of the 17th EWAC Eucarpia International Conference, 4-8. June 2018, Bucharest, Romania",
title = "Effects of  Ppd  alleles on heading and flowering time of wheat in climatic conditions of  South-Eastern Europe",
pages = "43-39",
url = "https://hdl.handle.net/21.15107/rcub_fiver_2179"
}

Kondić-Špika, A., Trkulja, D., Mikić, S., Brbaklić, L.,& Griffiths, S.. (2018). Effects of  Ppd  alleles on heading and flowering time of wheat in climatic conditions of  South-Eastern Europe. in Proceedings of the 17th EWAC Eucarpia International Conference, 4-8. June 2018, Bucharest, Romania
Seeland/OT Gatersleben : Leibniz-Institut für Pflanzengenetik und Kulturpflanzenforschung., 39-43.
https://hdl.handle.net/21.15107/rcub_fiver_2179

Kondić-Špika A, Trkulja D, Mikić S, Brbaklić L, Griffiths S. Effects of  Ppd  alleles on heading and flowering time of wheat in climatic conditions of  South-Eastern Europe. in Proceedings of the 17th EWAC Eucarpia International Conference, 4-8. June 2018, Bucharest, Romania. 2018;:39-43.
https://hdl.handle.net/21.15107/rcub_fiver_2179 .

Kondić-Špika, Ankica, Trkulja, Dragana, Mikić, Sanja, Brbaklić, Ljiljana, Griffiths, Simon, "Effects of  Ppd  alleles on heading and flowering time of wheat in climatic conditions of  South-Eastern Europe" in Proceedings of the 17th EWAC Eucarpia International Conference, 4-8. June 2018, Bucharest, Romania (2018):39-43,
https://hdl.handle.net/21.15107/rcub_fiver_2179 .