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dc.contributor.authorJANK, L.
dc.contributor.authorVALLE, C. B. do
dc.contributor.authorCARVALHO, J. de
dc.contributor.authorCALIXTO, S.
dc.date.accessioned2024-11-04T17:53:23Z-
dc.date.available2024-11-04T17:53:23Z-
dc.date.created2006-02-21
dc.date.issued2001
dc.identifier.citationIn: INTERNATIONAL GRASSLAND CONGRESS, 19., 2001, São Pedro. Grassland ecosystems: an outlook into the 21st century: proceedings. Piracicaba: SBZ: FEALQ, 2001.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/325887-
dc.descriptionGuineagrass (Panicum maximum Jacq.) is responsible for a high percentage of cattle finishing and milk production in Brazil, but presents problems of pasture degradability due to high soil fertility requirements and uneven production distribution. In order to search for new varieties to reduce these problems, over four hundred to Brazil in 1982. Agronomic evaluation took place at the National Beef Cattle Research Center of The Brazilian Agricultural Research Corporation (Embrapa Beef Cattle), in Campo Grande, MS, Brazil. Breeding of the apomictic species began in 1990 using sexual x apomictic crosses. Three sexual plants and five apomictic accessions were used in the croses. Seventy-nine hybrids were evaluated in small pltos, for forage yield, regrowth after cuts, flowering and vigor during three years, The best familes were identified for each characteristic evaluated .Multivariate analysis using principal components grouped the hybrids into six clusters according to their production. Due to superior perfomance, hybrids in groups 6 and 1 (22 hybrids) were indicated for future regional trial in small plot evaluation and grazing studies aiming at releasing new cultivars for pasture diversification in Brazil.
dc.language.isoeng
dc.rightsopenAccess
dc.titleEvaluation of guineagrass (Panicum maximum Jacq) hybrids in Brazil.
dc.typeArtigo em anais e proceedings
dc.subject.thesagroApomixia
dc.subject.thesagroMelhoramento Genético Vegetal
dc.subject.thesagroPanicum Maximum
dc.subject.thesagroSeleção
dc.subject.nalthesaurusApomixis
dc.subject.nalthesaurusMultivariate analysis
dc.subject.nalthesaurusPlant breeding
dc.description.notes(ID n. 12-13)
dc.format.extent2p. 498-499. (ID n. 12-13)
riaa.ainfo.id325887
riaa.ainfo.lastupdate2024-11-04
dc.contributor.institutionLIANA JANK, CNPGC; CACILDA BORGES DO VALLE, CNPGC; JOSIAS DE CARVALHO, CNPGC; SILVANO CALIXTO, CNPGC.
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