Chromosome duplication in Lolium multiflorum Lam.

Autor: Roselaine Cristina Pereira, Marco Túlio Mendes Ferreira, Lisete Chamma Davide, Moacir Pasqual, Andréa Mittelmann, Vânia Helena Techio

Publikováno v: Crop Breeding and Applied Biotechnology, Vol 14, Iss 4, Pp 251-255 (2014)

Artificial chromosome duplication of diploid genotypes of Lolium multiflorum (2n=2x=14) is worthy to breeding, and aims to increase the expression of traits with agronomic interest. The purpose of this study was to obtain polyploid plants of L. mult

Externí odkaz: https://doaj.org/article/8e63428e63b4418785b442ee60e602cc

Obtaining tetraploid plants of ruzigrass (Brachiaria ruziziensis)

Autor: Ana Luiza de Oliveira Timbó, Patrícia Nirlane da Costa Souza, Roselaine Cristina Pereira, Juliane Dornellas Nunes, José Eduardo Brasil Pereira Pinto, Fausto de Souza Sobrinho, Lisete Chamma Davide

Publikováno v: Revista Brasileira de Zootecnia, Vol 43, Iss 3, Pp 127-131 (2014)

The objective of the present work was to induce chromosome doubling in genotypes of Brachiaria ruziziensis with potential for production of good-quality biomass and tolerance/resistance to stress caused by aluminum and spittlebugs. Germinated seeds o

Externí odkaz: https://doaj.org/article/87891e1c653745fd9469a06d7541ce5d

Duplicação cromossômica de gramíneas forrageiras: uma alternativa para programas de melhoramento genético Chromosome doubling of grasses: an alternative to plant breeding

Autor: Roselaine Cristina Pereira, Lisete Chamma Davide, Vânia Helena Techio, Ana Luiza Oliveira Timbó

Publikováno v: Ciência Rural, Vol 42, Iss 7, Pp 1278-1285 (2012)

A obtenção artificial de genótipos com duplicação cromossômica em forrageiras busca maximizar características de interesse agronômico, como valor nutricional e produção de forragem, resistência a pragas e doenças, tolerância a estresses

Externí odkaz: https://doaj.org/article/aaacb8baa35a41ed8e887ad8bb3e1a37

Nuclear DNA content and chromosome number in Brachiaria spp. genotypes

Autor: Ana Luiza de Oliveira Timbó, Roselaine Cristina Pereira, Fausto Souza Sobrinho, Lisete Chamma Davide

Publikováno v: Revista Ciência Agronômica, Vol 45, Iss 1, Pp 62-67

Breeding programs for Brachiaria spp. use both intraspecies and interspecies crosses between sexual and apomictic plants in order to obtain new cultivars with the desired characteristics. As there are different ploidy levels both within and between s

Externí odkaz: https://doaj.org/article/89520af928a74cc99cc44f199f4d6bc3

Estabilidade no número cromossômico e no conteúdo de DNA em tetraploides sintéticos de Lolium multiflorum após duas gerações de seleção

Autor: Natália de Souza Santos, Vânia Helena Techio, Andréa Mittelmann, Fernanda de Oliveira Bustamante, Roselaine Cristina Pereira

Publikováno v: Ciência Rural v.47 n.2 2017
Ciência Rural
Universidade Federal de Santa Maria (UFSM)
instacron:UFSM
Ciência Rural, Vol 47, Iss 2
Ciência Rural, Volume: 47, Issue: 2, Article number: 20150767, Published: 28 NOV 2016
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA

Chromosome doubling of Italian ryegrass genotypes ( Lolium multiflorum Lam.) adapted to the brazilian edaphoclimatic conditions is an important strategy used by breeders and aims to obtain more vigorous genotypes with better forage quality and diseas

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8c26a342bc0ec9b2b694164c2d98496
https://doi.org/10.1590/0103-8478cr20150767