Combined S1-TC-RRS with consideration of CMS and dihaploids in maize
Kombinovana S1-TC-RRS pri korišćenju CMS-a i dihaploida kod kukuruza
Abstract
Herein, we present the combined S1-HS-RRS method using inbred testers (S1-TC-RRS) as a long-term maize breeding program, which increases the frequency of favorable alleles and maintains genetic variability in two genetically opposite populations. The method improves two different genetic sources simultaneously, where S1 families, developed by selfing phenotypically superior plants from both breeding populations are crossed with opposite inbred testers for specific combining ability selection, accompanied by selection of S1 families per se. A certain percentage of the evaluated S1 families is used for the next TC-RRS selection cycle. Maternal haploids from the selected S1 lines of each cycle of S1-TC-RRS can serve to produce elite 100% homozygous inbred lines (dihaploids) in a short time, which decreases the time and expenses of the selection cycle and influence the efficiency of seed production, as well as, variety protection rights. This elite lines than can be converted to CMS versio...ns (paternal haploids), for the seed production, which lowers the costs of it.
Prestavlja se kombinovani S1-HS-RRS metod uz korišćenje inbred testera (S1-TCRRS), kao dugoročni program u oplemenjivanju kukuruza, koji povećava frekvenciju poželjnih alela i održava genetičku varijabilnost dve genetički opozitne populacije. Metodom se u isto vreme popravljaju dva genetički opozitna izvora, gde se S1 familije, dobijene samooplodnjom fenotipski superiornih biljaka iz obe populacije, ukrštaju sa opozitnim inbred testerom radi selekcije na posebne kombinacione sposobnosti, uz istovremenu selekciju S1 familija per se. Određen procenat ispitivanih S1 familja se koristi za sledeći TC-RRS ciklus selekcije. Uz pomoć metode majčinskih haploida, iz odabranih S1 linija svakog S1-TC-RRS ciklusa mogu se dobiti 100% homozigotne elitne inbred linije (dihaploidi) za kratko vreme, što smanjuje vreme i troškove selekcionog ciklusa, a utiče na efikasnost semenske proizvodnje i zaštitu oplemenjivačkih prava. Ove elitne inbred linije mogu se prevesti na cms verziju (ocinski haploidi), što... smanjuje troškove u semenskoj proizvodnji.
Keywords:
cytoplasmic male sterility / dihaploids / maize / S1-TCRRSSource:
Genetika, 2012, 44, 1, 69-79Publisher:
- Društvo genetičara Srbije, Beograd
Funding / projects:
DOI: 10.2298/GENSR1201069V
ISSN: 0534-0012
WoS: 000306166800007
Scopus: 2-s2.0-84866899272
Collections
Institution/Community
MRIZPTY - JOUR AU - Vančetović, Jelena AU - Ignjatović-Micić, Dragana AU - Božinović, Sofija AU - Delić, Nenad AU - Čamdžija, Zoran PY - 2012 UR - http://rik.mrizp.rs/handle/123456789/464 AB - Herein, we present the combined S1-HS-RRS method using inbred testers (S1-TC-RRS) as a long-term maize breeding program, which increases the frequency of favorable alleles and maintains genetic variability in two genetically opposite populations. The method improves two different genetic sources simultaneously, where S1 families, developed by selfing phenotypically superior plants from both breeding populations are crossed with opposite inbred testers for specific combining ability selection, accompanied by selection of S1 families per se. A certain percentage of the evaluated S1 families is used for the next TC-RRS selection cycle. Maternal haploids from the selected S1 lines of each cycle of S1-TC-RRS can serve to produce elite 100% homozygous inbred lines (dihaploids) in a short time, which decreases the time and expenses of the selection cycle and influence the efficiency of seed production, as well as, variety protection rights. This elite lines than can be converted to CMS versions (paternal haploids), for the seed production, which lowers the costs of it. AB - Prestavlja se kombinovani S1-HS-RRS metod uz korišćenje inbred testera (S1-TCRRS), kao dugoročni program u oplemenjivanju kukuruza, koji povećava frekvenciju poželjnih alela i održava genetičku varijabilnost dve genetički opozitne populacije. Metodom se u isto vreme popravljaju dva genetički opozitna izvora, gde se S1 familije, dobijene samooplodnjom fenotipski superiornih biljaka iz obe populacije, ukrštaju sa opozitnim inbred testerom radi selekcije na posebne kombinacione sposobnosti, uz istovremenu selekciju S1 familija per se. Određen procenat ispitivanih S1 familja se koristi za sledeći TC-RRS ciklus selekcije. Uz pomoć metode majčinskih haploida, iz odabranih S1 linija svakog S1-TC-RRS ciklusa mogu se dobiti 100% homozigotne elitne inbred linije (dihaploidi) za kratko vreme, što smanjuje vreme i troškove selekcionog ciklusa, a utiče na efikasnost semenske proizvodnje i zaštitu oplemenjivačkih prava. Ove elitne inbred linije mogu se prevesti na cms verziju (ocinski haploidi), što smanjuje troškove u semenskoj proizvodnji. PB - Društvo genetičara Srbije, Beograd T2 - Genetika T1 - Combined S1-TC-RRS with consideration of CMS and dihaploids in maize T1 - Kombinovana S1-TC-RRS pri korišćenju CMS-a i dihaploida kod kukuruza VL - 44 IS - 1 SP - 69 EP - 79 DO - 10.2298/GENSR1201069V ER -
@article{ author = "Vančetović, Jelena and Ignjatović-Micić, Dragana and Božinović, Sofija and Delić, Nenad and Čamdžija, Zoran", year = "2012", abstract = "Herein, we present the combined S1-HS-RRS method using inbred testers (S1-TC-RRS) as a long-term maize breeding program, which increases the frequency of favorable alleles and maintains genetic variability in two genetically opposite populations. The method improves two different genetic sources simultaneously, where S1 families, developed by selfing phenotypically superior plants from both breeding populations are crossed with opposite inbred testers for specific combining ability selection, accompanied by selection of S1 families per se. A certain percentage of the evaluated S1 families is used for the next TC-RRS selection cycle. Maternal haploids from the selected S1 lines of each cycle of S1-TC-RRS can serve to produce elite 100% homozygous inbred lines (dihaploids) in a short time, which decreases the time and expenses of the selection cycle and influence the efficiency of seed production, as well as, variety protection rights. This elite lines than can be converted to CMS versions (paternal haploids), for the seed production, which lowers the costs of it., Prestavlja se kombinovani S1-HS-RRS metod uz korišćenje inbred testera (S1-TCRRS), kao dugoročni program u oplemenjivanju kukuruza, koji povećava frekvenciju poželjnih alela i održava genetičku varijabilnost dve genetički opozitne populacije. Metodom se u isto vreme popravljaju dva genetički opozitna izvora, gde se S1 familije, dobijene samooplodnjom fenotipski superiornih biljaka iz obe populacije, ukrštaju sa opozitnim inbred testerom radi selekcije na posebne kombinacione sposobnosti, uz istovremenu selekciju S1 familija per se. Određen procenat ispitivanih S1 familja se koristi za sledeći TC-RRS ciklus selekcije. Uz pomoć metode majčinskih haploida, iz odabranih S1 linija svakog S1-TC-RRS ciklusa mogu se dobiti 100% homozigotne elitne inbred linije (dihaploidi) za kratko vreme, što smanjuje vreme i troškove selekcionog ciklusa, a utiče na efikasnost semenske proizvodnje i zaštitu oplemenjivačkih prava. Ove elitne inbred linije mogu se prevesti na cms verziju (ocinski haploidi), što smanjuje troškove u semenskoj proizvodnji.", publisher = "Društvo genetičara Srbije, Beograd", journal = "Genetika", title = "Combined S1-TC-RRS with consideration of CMS and dihaploids in maize, Kombinovana S1-TC-RRS pri korišćenju CMS-a i dihaploida kod kukuruza", volume = "44", number = "1", pages = "69-79", doi = "10.2298/GENSR1201069V" }
Vančetović, J., Ignjatović-Micić, D., Božinović, S., Delić, N.,& Čamdžija, Z.. (2012). Combined S1-TC-RRS with consideration of CMS and dihaploids in maize. in Genetika Društvo genetičara Srbije, Beograd., 44(1), 69-79. https://doi.org/10.2298/GENSR1201069V
Vančetović J, Ignjatović-Micić D, Božinović S, Delić N, Čamdžija Z. Combined S1-TC-RRS with consideration of CMS and dihaploids in maize. in Genetika. 2012;44(1):69-79. doi:10.2298/GENSR1201069V .
Vančetović, Jelena, Ignjatović-Micić, Dragana, Božinović, Sofija, Delić, Nenad, Čamdžija, Zoran, "Combined S1-TC-RRS with consideration of CMS and dihaploids in maize" in Genetika, 44, no. 1 (2012):69-79, https://doi.org/10.2298/GENSR1201069V . .