Combination ability of corn lines and genetic control of morphometric parameters
The article presents the results of studying the combination ability of new dihaploid maize lines created by diploidization of haploid plants obtained using a haploinducer line. The experiment involved simple hybrids (30 combinations) obtained according to the complete diallel scheme of 6 homozygous...
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| Format: | Article |
| Language: | English |
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Saratov State University
2022-06-01
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| Series: | Известия Саратовского университета. Новая серия: Серия Химия. Биология. Экология |
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| Online Access: | https://ichbe.sgu.ru/sites/ichbe.sgu.ru/files/text-pdf/2022/07/himiya_2022_2-187-192.pdf |
| _version_ | 1811312171146018816 |
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| author | Gutorova, O V Zaitsev, Sergey A. |
| author_facet | Gutorova, O V Zaitsev, Sergey A. |
| author_sort | Gutorova, O V |
| collection | DOAJ |
| description | The article presents the results of studying the combination ability of new dihaploid maize lines created by diploidization of haploid plants obtained using a haploinducer line. The experiment involved simple hybrids (30 combinations) obtained according to the complete diallel scheme of 6 homozygous lines. The eff ects of GCA and variance of SCA lines, as well as the components of genetic variance in terms of the main morphometric parameters of the plant (stem length, ear height, panicle length, stem diameter, plant leaf surface area) were revealed. Lines with a high GCA score and a dispersion of SCA have been identifi ed, which are advisable to use in the breeding process for tall stature, resistance to lodging, and manufacturability. The infl uence of overdominance in the manifestation of the length of the panicle and the diameter of the stem and the predominance of additive eff ects in the formation of the height of the cob were noted. Analysis of the components made it possible to identify the number of genes or groups of genes that infl uenced the manifestation of traits in 2021 (stem length – 1–2, ear height – 2–3, panicle length – 1–2, stem diameter – 2–3, area of leaf surface – 1–2). Dominance according to the studied parameters is directed towards parental forms with a greater severity of the trait. A signifi cant infl uence of cultivation conditions on the manifestation of the length of the stem, the height of the cob, the length of the panicle, and the diameter of the stem was noted. |
| first_indexed | 2024-04-13T10:31:19Z |
| format | Article |
| id | doaj.art-2a43632c8e834fbb89cb7b83a0fd09a8 |
| institution | Directory Open Access Journal |
| issn | 1816-9775 2541-8971 |
| language | English |
| last_indexed | 2024-04-13T10:31:19Z |
| publishDate | 2022-06-01 |
| publisher | Saratov State University |
| record_format | Article |
| series | Известия Саратовского университета. Новая серия: Серия Химия. Биология. Экология |
| spelling | doaj.art-2a43632c8e834fbb89cb7b83a0fd09a82022-12-22T02:50:10ZengSaratov State UniversityИзвестия Саратовского университета. Новая серия: Серия Химия. Биология. Экология1816-97752541-89712022-06-0122218719210.18500/1816-9775-2022-22-2-187-192Combination ability of corn lines and genetic control of morphometric parametersGutorova, O V0Zaitsev, Sergey A.1УНЦ «Ботанический сад» Саратовского государственного университета имени Н. Г. Чернышевского, 410012, г. Саратов, ул. им. Академика Навашина, 1Saratov State University, 83, Astrakhanskaya str., Saratov, 410012, RussiaThe article presents the results of studying the combination ability of new dihaploid maize lines created by diploidization of haploid plants obtained using a haploinducer line. The experiment involved simple hybrids (30 combinations) obtained according to the complete diallel scheme of 6 homozygous lines. The eff ects of GCA and variance of SCA lines, as well as the components of genetic variance in terms of the main morphometric parameters of the plant (stem length, ear height, panicle length, stem diameter, plant leaf surface area) were revealed. Lines with a high GCA score and a dispersion of SCA have been identifi ed, which are advisable to use in the breeding process for tall stature, resistance to lodging, and manufacturability. The infl uence of overdominance in the manifestation of the length of the panicle and the diameter of the stem and the predominance of additive eff ects in the formation of the height of the cob were noted. Analysis of the components made it possible to identify the number of genes or groups of genes that infl uenced the manifestation of traits in 2021 (stem length – 1–2, ear height – 2–3, panicle length – 1–2, stem diameter – 2–3, area of leaf surface – 1–2). Dominance according to the studied parameters is directed towards parental forms with a greater severity of the trait. A signifi cant infl uence of cultivation conditions on the manifestation of the length of the stem, the height of the cob, the length of the panicle, and the diameter of the stem was noted.https://ichbe.sgu.ru/sites/ichbe.sgu.ru/files/text-pdf/2022/07/himiya_2022_2-187-192.pdfcornlinehybridsproductivityvariabilitygcascadiallel analysis |
| spellingShingle | Gutorova, O V Zaitsev, Sergey A. Combination ability of corn lines and genetic control of morphometric parameters Известия Саратовского университета. Новая серия: Серия Химия. Биология. Экология corn line hybrids productivity variability gca sca diallel analysis |
| title | Combination ability of corn lines and genetic control of morphometric parameters |
| title_full | Combination ability of corn lines and genetic control of morphometric parameters |
| title_fullStr | Combination ability of corn lines and genetic control of morphometric parameters |
| title_full_unstemmed | Combination ability of corn lines and genetic control of morphometric parameters |
| title_short | Combination ability of corn lines and genetic control of morphometric parameters |
| title_sort | combination ability of corn lines and genetic control of morphometric parameters |
| topic | corn line hybrids productivity variability gca sca diallel analysis |
| url | https://ichbe.sgu.ru/sites/ichbe.sgu.ru/files/text-pdf/2022/07/himiya_2022_2-187-192.pdf |
| work_keys_str_mv | AT gutorovaov combinationabilityofcornlinesandgeneticcontrolofmorphometricparameters AT zaitsevsergeya combinationabilityofcornlinesandgeneticcontrolofmorphometricparameters |