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Sources and donors of the multi-row ear trait for hybrid breeding of corn in the VIR collection
- Authors: Fil I.1, khatefov E.1, Bogdan P.2, Grushin A.1, Sherstobitov V.3, Boyko V.N.4
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Affiliations:
- N.I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR)
- Federal Scientific Center of Agricultural Biotechnology of the Far East named after A.K. Chaika
- N.I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR), 42–44
- N.I. Vavilov All-Russian Institute of Plant Genetic Resources
- Section: Genetic basis of ecosystems evolution
- URL: https://journals.eco-vector.com/ecolgenet/article/view/625673
- DOI: https://doi.org/10.17816/ecogen625673
- ID: 625673
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Abstract
BACKGROUND: The sign of the number of rows of grains on the cob is one of the key to improving the productivity of corn. The effects of the genes that control this trait have been poorly studied. The search for sources and donors of this trait is relevant for hybrid breeding.
MATERIALS AND METHODS: The studies were carried out on 16 lines (S3-6) with different inbredness and varying the number of rows of grains on the cob from 18 to 36, the exotic race CUZCO characterized by large grains. Hybridization and crop recording were carried out in the field conditions of the foothill zone of the Kabardino-Balkarian Republic
RESULTS: Conducted by ranking the putative sources of genes td1, ct2, fea2, fea3, fea4 by phenotype. Other promising sources and donors for the multirow trait without pronounced fasciation of the cob have been identified. An experimental hybrid was obtained between the MP-20 population and the high-starch, large-grain race CUZCO. Analysis of the structure of the cob of the F1 hybrid showed that the trait of multi-row cob from the maternal form and coarse grain from the paternal form in the hybrid phenotype manifests itself as an incomplete dominance type with the formation of the number of rows and the weight of 1000 grains according to the intermediate type. The yield potential of the experimental simple hybrid was no less than 12.2 tons per 1 hectare with a harvest grain moisture content of 37% and an FAO ripeness group of no less than 600.
CONCLUSIONS: The collection of multirow maize lines serves as a valuable source of genes that control important quantitative traits and can be involved in the breeding of hybrid maize for its improvement.
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About the authors
Irina Fil
N.I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR)
Email: irinafil1974@icloud.com
ORCID iD: 0000-0001-5005-3926
SPIN-code: 3223-8030
leading research associate
Russian Federation, 42–44, Bolshaya Morskaya Street, St Petersburg, 190000, RussiaEduard khatefov
N.I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR)
Author for correspondence.
Email: haed1967@rambler.ru
ORCID iD: 0000-0001-5713-2328
SPIN-code: 7929-8148
ResearcherId: T-6816-2018
https://www.vir.nw.ru
Ведущий научный сотрудник отдела генетических ресурсов крупяных культур ВИР
Russian Federation, 42–44, Bolshaya Morskaya Street, St Petersburg, 190000, RussiaPolina Bogdan
Federal Scientific Center of Agricultural Biotechnology of the Far East named after A.K. Chaika
Email: polina_bogdan84@mail.ru
ORCID iD: 0000-0003-3052-5521
SPIN-code: 8721-8062
Senior Researcher
Russian Federation, 30 Volozhenina St., Timiryazevsky Settlem., Ussuriysk 692539, RussiaAlexander Grushin
N.I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR)
Email: gnuvosvniir@yandex.ru
ORCID iD: 0000-0003-2842-1512
SPIN-code: 3457-1434
Senior Researcher, Department of Genetic Resources of Cereal Crops
Russian Federation, Russia, 190000, St. Petersburg, st. B. Morskaya, 42, 44Vasily Sherstobitov
N.I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR), 42–44
Email: scherstobitow@mail.ru
ORCID iD: 0000-0001-8308-5107
Senior Researcher, Department of Genetic Resources of Cereal Crops
Russian Federation, Russia, 190000, St. Petersburg, st. B. Morskaya, 42, 44Vladislav N. Boyko
N.I. Vavilov All-Russian Institute of Plant Genetic Resources
Email: boyko_vlad@mail.ru
ORCID iD: 0000-0001-7919-1302
SPIN-code: 9993-8900
Cand. Sci. (Agricultural), senior research associate
Russian Federation, Saint PetersburgReferences
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