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Breeding aspects of low temperature tolerance in wheat

Aspekti oplemenjivanja pšenice na niske temperature

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2007
479.pdf (215.1Kb)
Autori
Hristov, Nikola
Mladenov, Novica
Kondić-Špika, Ankica
Članak u časopisu (Objavljena verzija)
Metapodaci
Prikaz svih podataka o dokumentu
Apstrakt
Wheat resistance to low temperatures is complex in nature and dependant on variety as well as on interaction with the environment. In unfavorable conditions for hardening, even varieties resistant to cold may exhibit higher susceptibility to low temperatures. Over a two-year period (2003-04), tests were conducted in cold chamber at-15˚C lasting 24, 36, 48 and 60 hours. The 23 wheat varieties analyzed were divided into four groups according to year of release. In the first group, which was mostly made up of foreign introductions, the average plant survival rate across treatments was 87%. The different origins of the varieties from this group were a significant factor behind the differences in their resistance levels. The second group, comprised of the first domestic varieties, had an average plant survival rate of 89%, while the third, containing the dominant varieties from the 1980s, had a plant survival rate of 88.4% on average. In the fourth group, consisting mostly of varieties that... are currently commercially grown in the country, the average plant survival rate was 86.6%. Thanks to high temperatures present during the process of hardening, there was greater plant damage and percent winterkill in the second year than in the first. The resistance of the varieties to low temperatures has been maintained at a level enabling successful and stable production under the cold temperature stress conditions of southeastern Europe.

Otpornost pšenice prema niskim temperaturama je kompleksnog karaktera, pri čemu pored sorte, do izražaja dolazi i interakcija sa spoljnom sredinom. Pri nepovoljnim uslovima za kaljenje biljaka, i otporne sorte mogu ispoljiti veću osetljivost prema niskim temperaturama. U dvogodišnjem periodu (2004-2005), izvršeno je testiranje u hladnim komorama na temperaturi -15˚C u trajanju od 24, 36, 48 i 60 časova. Analizirano je 23 sorte pšenice koje su podeljene u četiri grupe, u zavisnosti od godine priznavanja. U prvoj grupi, u kojoj se uglavnom nalaze introdukovane sorte, procenat preživelih biljaka na svim tretmanima iznosio je u proseku 87%. Različito poreklo sorti koje se nalaze u ovoj grupi, značajno je uticalo na međusobne razlike u otpornosti prema niskim temperaturama. U drugoj grupi, koju čine prve domaće sorte, procenat preživelih biljaka iznosio je 89%, dok su u treću grupu uvrštene sorte koje su bile dominantne 80-ih godina, sa 88,4% preživelih biljaka. Većina sorti koje čine četvr...tu grupu, trenutno je zastupljena na proizvodnim površinama u našoj zemlji. Kod ovih sorti, procenat preživelih biljaka iznosio je 86,6%. Visoke temperature u periodu kaljenja biljaka, uslovile su veća oštećenja, odnosno veći procenat izmrzlih biljaka u drugoj godini ispitivanja. Otpornost sorti pšenice prema niskim temperaturama, zadržana je nivou koji obezbeđuje uspešnu i stabilnu proizvodnju u uslovima hladnog temperaturnog stresa jugoistočne Evrope.

Ključne reči:
breeding / low temperatures / variety / wheat
Izvor:
Genetika-Belgrade, 2007, 39, 3, 375-386
Izdavač:
  • Društvo genetičara Srbije, Beograd

DOI: 10.2298/GENSR0703375H

ISSN: 0534-0012

[ Google Scholar ]
URI
http://fiver.ifvcns.rs/handle/123456789/482
Kolekcije
  • Radovi istraživača / Researchers' papers
Institucija/grupa
FiVeR
TY  - JOUR
AU  - Hristov, Nikola
AU  - Mladenov, Novica
AU  - Kondić-Špika, Ankica
PY  - 2007
UR  - http://fiver.ifvcns.rs/handle/123456789/482
AB  - Wheat resistance to low temperatures is complex in nature and dependant on variety as well as on interaction with the environment. In unfavorable conditions for hardening, even varieties resistant to cold may exhibit higher susceptibility to low temperatures. Over a two-year period (2003-04), tests were conducted in cold chamber at-15˚C lasting 24, 36, 48 and 60 hours. The 23 wheat varieties analyzed were divided into four groups according to year of release. In the first group, which was mostly made up of foreign introductions, the average plant survival rate across treatments was 87%. The different origins of the varieties from this group were a significant factor behind the differences in their resistance levels. The second group, comprised of the first domestic varieties, had an average plant survival rate of 89%, while the third, containing the dominant varieties from the 1980s, had a plant survival rate of 88.4% on average. In the fourth group, consisting mostly of varieties that are currently commercially grown in the country, the average plant survival rate was 86.6%. Thanks to high temperatures present during the process of hardening, there was greater plant damage and percent winterkill in the second year than in the first. The resistance of the varieties to low temperatures has been maintained at a level enabling successful and stable production under the cold temperature stress conditions of southeastern Europe.
AB  - Otpornost pšenice prema niskim temperaturama je kompleksnog karaktera, pri čemu pored sorte, do izražaja dolazi i interakcija sa spoljnom sredinom. Pri nepovoljnim uslovima za kaljenje biljaka, i otporne sorte mogu ispoljiti veću osetljivost prema niskim temperaturama. U dvogodišnjem periodu (2004-2005), izvršeno je testiranje u hladnim komorama na temperaturi -15˚C u trajanju od 24, 36, 48 i 60 časova. Analizirano je 23 sorte pšenice koje su podeljene u četiri grupe, u zavisnosti od godine priznavanja. U prvoj grupi, u kojoj se uglavnom nalaze introdukovane sorte, procenat preživelih biljaka na svim tretmanima iznosio je u proseku 87%. Različito poreklo sorti koje se nalaze u ovoj grupi, značajno je uticalo na međusobne razlike u otpornosti prema niskim temperaturama. U drugoj grupi, koju čine prve domaće sorte, procenat preživelih biljaka iznosio je 89%, dok su u treću grupu uvrštene sorte koje su bile dominantne 80-ih godina, sa 88,4% preživelih biljaka. Većina sorti koje čine četvrtu grupu, trenutno je zastupljena na proizvodnim površinama u našoj zemlji. Kod ovih sorti, procenat preživelih biljaka iznosio je 86,6%. Visoke temperature u periodu kaljenja biljaka, uslovile su veća oštećenja, odnosno veći procenat izmrzlih biljaka u drugoj godini ispitivanja. Otpornost sorti pšenice prema niskim temperaturama, zadržana je nivou koji obezbeđuje uspešnu i stabilnu proizvodnju u uslovima hladnog temperaturnog stresa jugoistočne Evrope.
PB  - Društvo genetičara Srbije, Beograd
T2  - Genetika-Belgrade
T1  - Breeding aspects of low temperature tolerance in wheat
T1  - Aspekti oplemenjivanja pšenice na niske temperature
EP  - 386
IS  - 3
SP  - 375
VL  - 39
DO  - 10.2298/GENSR0703375H
UR  - conv_1358
ER  - 
@article{
author = "Hristov, Nikola and Mladenov, Novica and Kondić-Špika, Ankica",
year = "2007",
abstract = "Wheat resistance to low temperatures is complex in nature and dependant on variety as well as on interaction with the environment. In unfavorable conditions for hardening, even varieties resistant to cold may exhibit higher susceptibility to low temperatures. Over a two-year period (2003-04), tests were conducted in cold chamber at-15˚C lasting 24, 36, 48 and 60 hours. The 23 wheat varieties analyzed were divided into four groups according to year of release. In the first group, which was mostly made up of foreign introductions, the average plant survival rate across treatments was 87%. The different origins of the varieties from this group were a significant factor behind the differences in their resistance levels. The second group, comprised of the first domestic varieties, had an average plant survival rate of 89%, while the third, containing the dominant varieties from the 1980s, had a plant survival rate of 88.4% on average. In the fourth group, consisting mostly of varieties that are currently commercially grown in the country, the average plant survival rate was 86.6%. Thanks to high temperatures present during the process of hardening, there was greater plant damage and percent winterkill in the second year than in the first. The resistance of the varieties to low temperatures has been maintained at a level enabling successful and stable production under the cold temperature stress conditions of southeastern Europe., Otpornost pšenice prema niskim temperaturama je kompleksnog karaktera, pri čemu pored sorte, do izražaja dolazi i interakcija sa spoljnom sredinom. Pri nepovoljnim uslovima za kaljenje biljaka, i otporne sorte mogu ispoljiti veću osetljivost prema niskim temperaturama. U dvogodišnjem periodu (2004-2005), izvršeno je testiranje u hladnim komorama na temperaturi -15˚C u trajanju od 24, 36, 48 i 60 časova. Analizirano je 23 sorte pšenice koje su podeljene u četiri grupe, u zavisnosti od godine priznavanja. U prvoj grupi, u kojoj se uglavnom nalaze introdukovane sorte, procenat preživelih biljaka na svim tretmanima iznosio je u proseku 87%. Različito poreklo sorti koje se nalaze u ovoj grupi, značajno je uticalo na međusobne razlike u otpornosti prema niskim temperaturama. U drugoj grupi, koju čine prve domaće sorte, procenat preživelih biljaka iznosio je 89%, dok su u treću grupu uvrštene sorte koje su bile dominantne 80-ih godina, sa 88,4% preživelih biljaka. Većina sorti koje čine četvrtu grupu, trenutno je zastupljena na proizvodnim površinama u našoj zemlji. Kod ovih sorti, procenat preživelih biljaka iznosio je 86,6%. Visoke temperature u periodu kaljenja biljaka, uslovile su veća oštećenja, odnosno veći procenat izmrzlih biljaka u drugoj godini ispitivanja. Otpornost sorti pšenice prema niskim temperaturama, zadržana je nivou koji obezbeđuje uspešnu i stabilnu proizvodnju u uslovima hladnog temperaturnog stresa jugoistočne Evrope.",
publisher = "Društvo genetičara Srbije, Beograd",
journal = "Genetika-Belgrade",
title = "Breeding aspects of low temperature tolerance in wheat, Aspekti oplemenjivanja pšenice na niske temperature",
pages = "386-375",
number = "3",
volume = "39",
doi = "10.2298/GENSR0703375H",
url = "conv_1358"
}
Hristov, N., Mladenov, N.,& Kondić-Špika, A.. (2007). Breeding aspects of low temperature tolerance in wheat. in Genetika-Belgrade
Društvo genetičara Srbije, Beograd., 39(3), 375-386.
https://doi.org/10.2298/GENSR0703375H
conv_1358
Hristov N, Mladenov N, Kondić-Špika A. Breeding aspects of low temperature tolerance in wheat. in Genetika-Belgrade. 2007;39(3):375-386.
doi:10.2298/GENSR0703375H
conv_1358 .
Hristov, Nikola, Mladenov, Novica, Kondić-Špika, Ankica, "Breeding aspects of low temperature tolerance in wheat" in Genetika-Belgrade, 39, no. 3 (2007):375-386,
https://doi.org/10.2298/GENSR0703375H .,
conv_1358 .

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