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Cercetări privind crearea liniilor consangvinizate şi a hibrizilor de porumb timpuriu

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dc.contributor.author BOROZAN, Pantelimon
dc.contributor.author MUSTEAȚĂ, Simion
dc.contributor.author SPÎNU, Valentina
dc.contributor.author STATNIC, Mihail
dc.date.accessioned 2023-06-08T07:30:19Z
dc.date.available 2023-06-08T07:30:19Z
dc.date.issued 2022
dc.identifier.citation BOROZAN, Pantelimon, MUSTEAŢĂ, Simion, SPÎNU, Valentina et al. Cercetări privind crearea liniilor consangvinizate şi a hibrizilor de porumb timpuriu. In: Ştiinţa Agricolă, 2022, nr. 1, pp. 3-11. ISSN 1857-0003, eISSN 2587-3202. en_US
dc.identifier.issn 1857-0003
dc.identifier.issn 2587-3202
dc.identifier.uri https://doi.org/10.55505/sa.2022.1.01
dc.identifier.uri http://repository.utm.md/handle/5014/22883
dc.description.abstract Articolul prezintă o generalizare a cercetărilor multianuale privind crearea liniilor consangvinizate şi a hibrizilor de porumb timpuriu. În perioada anilor 1981-2020 au fost supuse consangvinizării şi selecţiei fenotipice 2874 de surse, din cadrul cărora s-au evidențiat 532 de familii constante, evaluate preliminar după capacitatea de producţie şi transferate în colecţia operaţională. Testările ulterioare au culminat cu alegerea a 36 de linii originale folosite ca forme parentale în hibrizi omologaţi. La etapa actuală, sursele de material iniţial sunt prezentate de încrucişări înrudite (56,7%), hibrizi simpli (31,6%), retroîncrucişări (11,4%) şi hibrizi ai firmelor străine (0,3%). În pedigreul liniilor predomină germoplasma grupelor heterotice alternative Reid Iodent (40,1%), Euroflint (28,9%), BSSS-B37 (12,6%), Dent mixt (4,0%) şi Dent canadian (2,8%). Sintetizarea hibrizilor se efectuează preponderent în cadrul modelelor heterotice Reid Iodent x Euroflint şi Reid Iodent x BSSS-B37. Producerea de seminţe hibride pentru export este asigurată cu 9 hibrizi FAO 160-240 înregistraţi în Republica Belarus. În Republica Moldova se implementează hibrizii Porumbeni 310, Porumbeni 305 şi Alimentar 325. en_US
dc.description.abstract The paper presents the synthesis of multiannual investigations concerning the development of inbred lines and early maize hybrids. 2874 sources were used over the period 1981-2020 for inbreeding and phenotypical selection, out of which 532 constant families were selected and were subject to preliminary assessment in terms of their production capacity, then transferred to the operational collection. The consequent testing resulted in the selection of 36 original lines used as parents of registered hybrids. At present, the related crosses - 56,7%, single cross hybrids - 31,6%, backcrosses - 11,4% and foreign hybrids - 0,3% are used as sources of initial material. The germplasm of alternative heterotic groups Reid Iodent - 40,1%, Euroflint - 28,9%, BSSS-B37 - 12,6%, Lancaster - 11,6%, Dent mixt - 4,0% and Dent canadian – 2,8% predominates in the lines’ pedigree. The heterotic patterns Reid Iodent x Euroflint and Reid Iodent x BSSS-B37 are mostly used for hybrid development. The production of commercial seeds for export is assured by 9 registered hybrids FAO 160-240 registered in Belarus. The hybrids Porumbeni 310, Porumbeni 305 and Alimentar 325 are used for cultivation in the Republic of Moldova.
dc.language.iso ro en_US
dc.publisher Universitatea Agrară de Stat din Moldova en_US
dc.relation.ispartofseries Știința Agricolă;2022, N. 1
dc.rights Attribution-NonCommercial-NoDerivs 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.subject caractere agronomice en_US
dc.subject germoplasmă en_US
dc.subject hibrizi en_US
dc.subject linii consangvinizate en_US
dc.subject porumb en_US
dc.subject agronomic characters en_US
dc.subject germplasm en_US
dc.subject inbred lines en_US
dc.subject maize en_US
dc.subject production possibilities en_US
dc.title Cercetări privind crearea liniilor consangvinizate şi a hibrizilor de porumb timpuriu en_US
dc.title.alternative Researches concerning the development of inbred lines and early hybrids of maize en_US
dc.type Article en_US


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