Zobrazeno 1 - 10
of 125
pro vyhledávání: '"Maria Teresa Schifino Wittmann"'
Autor:
Thanise Nogueira Füller, Divanilde Guerra, Maria Teresa Schifino Wittmann, Carolina Tessele, Ingrid Bergman Inchausti de Barros, José Fernandes Barbosa Neto
Publikováno v:
Crop Breeding and Applied Biotechnology, Vol 15, Iss 4, Pp 272-277 (2015)
Elionurus muticus is a native aromatic grass from the Pampa biome that produces an essential oil that is rich in citral. Despite the importance of citral, few studies have examined this species. The aims of this work were to evaluate the genetic str
Externí odkaz:
https://doaj.org/article/7ff9618b3817487291a575c997009309
Autor:
SAMANTA SIQUEIRA DE CAMPOS, MARIA TERESA SCHIFINO WITTMANN, SERGIO FRANCISCO SCHWARZ, PEDRO AUGUSTO VEIT
Publikováno v:
Revista Brasileira de Fruticultura, Vol 37, Iss 3, Pp 685-691 (2015)
RESUMO O caquizeiro é uma planta muito complexa na questão de sua biologia floral, já que pode apresentar três tipos de flor (feminina, masculina ou hermafrodita) ou apenas flores femininas, como no caso das cultivares comerciais. O objetivo dest
Externí odkaz:
https://doaj.org/article/3ac2e91906494e5a864e00c99411a449
Autor:
Divanilde Guerra, Maria Teresa Schifino Wittmann, Sérgio Francisco Schwarz, Paulo Vitor Dutra de Souza, Samanta Siqueira de Campos
Publikováno v:
Crop Breeding and Applied Biotechnology, Vol 13, Iss 3, Pp 186-193 (2013)
The aim of the present study was to evaluate the possible effect of environmental factors on meiosis, meiotic index, pollenviability and in vitro germination of pollen from stock plants of the rootstocks Trifoliate, ‘Swingle’, ‘Troyer’, ‘Fe
Externí odkaz:
https://doaj.org/article/0f12699bdf3e4468abfd10b35f10c6e0
Publikováno v:
Crop Breeding and Applied Biotechnology, Vol 11, Iss 1, Pp 27-35 (2011)
Chromosome numbers (somatic and/or gametic) were determined in 50 populations of M. bimucronata (DC.) O.Kuntze collected in the species area of distribution in Rio Grande do Sul, south Brazil. All populations were diploid (2n = 2x = 26,n = 13). Polys
Externí odkaz:
https://doaj.org/article/956610c6f9c742c4816a293ebe3abf37
Chromosome number and karyotype of the endangered Amazonian woody Centrolobium paraense Tul. species
Publikováno v:
Crop Breeding and Applied Biotechnology, Vol 9, Iss 4, Pp 382-385 (2009)
Centrolobium paraense Tul., popularly known in Brazil as “pau-rainha”, is a species with a high timberpotential, presently endangered due to deforestation of the Amazonian region and indiscriminate wood extraction. Chromosomenumber and karyotype
Externí odkaz:
https://doaj.org/article/975d21edae74460f99a8b87c76fa2fc5
Publikováno v:
Crop Breeding and Applied Biotechnology, Vol 9, Iss 4, Pp 386-389 (2009)
Chromosome numbers were determined in five populations of the agrofuel physic nut plant (Jatropha curcasL.). Somatic chromosome numbers were counted from root-tip cells of four individuals per population and all had 2n=22chromosomes, corresponding to
Externí odkaz:
https://doaj.org/article/9247d5b5bc224a9f95b14c0b93b9c52b
Publikováno v:
Pesquisa Agropecuária Gaúcha, Vol 9, Iss 1/2, Pp 155-163 (2003)
A poliploidia é amplamente distribuída nas plantas silvestres e cultivadas. A indução de poliploidia, como uma ferramenta para o melhoramento genético de plantas, vem sendo utilizada há mais de sete décadas. Poliplóides artificiais podem ser
Externí odkaz:
https://doaj.org/article/f19ec7f6a705444ead5b0b9a822f35f2
Publikováno v:
Ciência Rural, Vol 29, Iss 3, Pp 453-458 (1999)
O objetivo deste experimento foi identificar material promissor para ser utilizado como uma forrageira alternativa nas condições do sul do Brasil. Uma população de híbridos, em gerações avançadas, entre Leucaena leucocephala e L. diversifolia
Externí odkaz:
https://doaj.org/article/4bf178871fb74fb399d7e1e1d8e502ad
Publikováno v:
Ciência Rural, Vol 29, Iss 3, Pp 469-474 (1999)
Quatro cultivares de tangerineiras foram caracterizados quanto ao número de sementes por fruto e quanto à poliembrionia, três dos quais são usados como genitores no programa de melhoramento genético do Departamento de Horticultura e Silvicultura
Externí odkaz:
https://doaj.org/article/bb7cba1f445946c2b0195ab1f4aa4e3f
Autor:
Paula Juliane Barbosa de Oliveira, Diego Bitencourt de David, Miguel Dall' Agnol, Ionara Fatima Conterato, Joseila Maldaner, Júlio Kuhn da Trindade, Maria Teresa Schifino-Wittmann, João Rodolfo Guimarães Nunes
Publikováno v:
Brazilian Journal of Botany. 42:681-687
An interesting aspect of the biology of Trifolium polymorphum, an endemic species of the natural pastures of Rio Grande do Sul State in Brazil, is that it is amphicarpic. Amphicarpy is a fascinating reproductive strategy in which aerial and subterran
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d676fde4d267e29c9b0dfe95cab5132
https://doi.org/10.1007/s40415-019-00570-x
https://doi.org/10.1007/s40415-019-00570-x