Zobrazeno 1 - 10
of 126
pro vyhledávání: '"Maria Teresa Schifino-Wittmann"'
Autor:
Ionara Fátima Conterato, Maria Teresa Schifino-Wittmann, Diego Bitencourt David, Jorge Dubal Martins
Publikováno v:
Pesquisa Agropecuária Gaúcha, Vol 25, Iss 3, Pp 66-79 (2019)
Native from Rio Grande do Sul natural pastures, Trifolium argentinense Speg. has sexual reproduction through aerial and subterranean seeds (amphicarpy) and vegetative reproduction by regrowth from storage roots. In this study the seeds produced at th
Externí odkaz:
https://doaj.org/article/7606f00da3b646bab7e6e8b2bab1c100
Autor:
Divanilde Guerra, Paulo Vitor Dutra de Souza, Sérgio Francisco Schwarz, Maria Teresa Schifino-Wittmann, Claudio André Werlang, Pedro Augusto Veit
Publikováno v:
Crop Breeding and Applied Biotechnology, Vol 16, Iss 3, Pp 219-225 (2016)
This study aimed to evaluate the genetic and cytological diversity and stability of 35 cherry tree accessions collected in Rio Grande do Sul. We used 15 RAPD (Random Amplified Polymorphic DNA) molecular markers and performed cytological analysis and
Externí odkaz:
https://doaj.org/article/333a16c8858e4664a93b6f018e044c2a
Autor:
Divanilde Guerra, Maria Teresa Schifino-Wittmann, Sérgio Francisco Schwarz, Roberto Luis Weiler, Nair Dahmer, Paulo Vitor Dutra de Souza
Publikováno v:
Crop Breeding and Applied Biotechnology, Vol 16, Iss 1, Pp 35-41 (2016)
The objective of this study was to identify polyploid plants from citrus rootstocks and to evaluate the influence of the genetic constitution and of the environment on the frequency of chromosome duplication. Populations obtained from rootstock seed
Externí odkaz:
https://doaj.org/article/f5d2cf78d6c14458a2627d55e48ac764
Autor:
MARCELO G. STEINER, MIGUEL DALL’AGNOL, CARLOS NABINGER, SIMONE M. SCHEFFER-BASSO, ROBERTO L. WEILER, CARINE SIMIONI, MARIA TERESA SCHIFINO-WITTMANN, ÉDER A.M. DA MOTTA
Publikováno v:
Anais da Academia Brasileira de Ciências, Iss 0 (2017)
ABSTRACT The Paspalum genus includes several species that are important for livestock in Rio Grande do Sul, such as P. notatum and P. guenoarum, typical of native pastures of the Pampa biome. The aim of this study was to investigate forage production
Externí odkaz:
https://doaj.org/article/def05dfea6b4434ab9d7e84a05d82b8c
Publikováno v:
Scientia Agricola, Vol 69, Iss 2, Pp 114-118 (2012)
Twenty eight natural populations of Trifolium riograndense Burkart, an important forage legume from native pastures of the state of Rio Grande do Sul, Brazil, were evaluated for genetic diversity with eight Simple Sequences Repeats (SSR) markers. Chr
Externí odkaz:
https://doaj.org/article/ee417046152749f08fced5d037fb77a7
Autor:
Ionara Fatima Conterato, Miguel Dall'Agnol, Maria Teresa Schifino-Wittmann, Daniel Portela Montardo, Gabriel Colombo Pontalti, Danielle Almeida
Publikováno v:
Scientia Agricola, Vol 67, Iss 6, Pp 675-684 (2010)
Several species of Trifolium are widely cultivated as forage for animals and green manure. This work aimed to characterize and estimate through morphological and agronomic traits the genetic diversity of natural populations of T. riograndense, an imp
Externí odkaz:
https://doaj.org/article/85dea6fee2c14e3e91adee9a2d6fd4ea
Publikováno v:
Ciência Florestal, Vol 15, Iss 3, Pp 241-248 (2010)
Determinação do número de cromossomos e análise do comportamento meiótico são excelentes contribuições aos estudos de relações taxonômicas e padrões evolutivos dentro de grupos de espécies vegetais. Espécies de leguminosas arbóreas da
Externí odkaz:
https://doaj.org/article/be2f954b130c4c7292a9c2da1aca9d76
Autor:
Roberto Luis Weiler, Eduardo Cesar Brugnara, Sergio Francisco Schwarz, Marinês Bastianel, Marcos Antônio Machado, Maria Teresa Schifino-Wittmann
Publikováno v:
Ciência Rural, Vol 40, Iss 7, Pp 1523-1529 (2010)
Os citros apresentam uma taxonomia muito complexa, principalmente com relação ao número de espécies que constituem o gênero Citrus e os gêneros afins. Genótipos classificados como espécies podem ter sido originados por hibridação interespec
Externí odkaz:
https://doaj.org/article/73364ad522d14b0a80f16677362b087b
Autor:
Camila Aparecida de Oliveira dos Reis, Miguel Dall'Agnol, Carlos Nabinger, Maria Teresa Schifino-Wittmann
Publikováno v:
Scientia Agricola, Vol 67, Iss 2, Pp 143-150 (2010)
Paspalum nicorae Parodi is a perennial, apomictic tetraploid forage species, native in the state of Rio Grande do Sul, Brazil, with grazing tolerance and adapted to sandy soils and moderate droughts. As a first step to future breeding, a morphologica
Externí odkaz:
https://doaj.org/article/c8cab48f03ec4bc3aaac76aeb99461f7
Autor:
Danielle Almeida, Ingrid Bergman Inchausti de Barros, Maria Teresa Schifino-Wittmann, Ana Paula Guisso Navarini
Publikováno v:
Crop Breeding and Applied Biotechnology, Vol 8, Iss 4, Pp 330-338 (2008)
Chromosome numbers and meiotic behavior are presented for the first time for Hypericum caprifoliatum(2n=48), H. cf carinatum (2n=48) and H. polyanthemum (2n= 32) and confirmed the H. perforatum (2n=32) number.Chromosomes are very small (ca. 1 to 2 mm
Externí odkaz:
https://doaj.org/article/b6f745667d4845a8adb1f1dcaf2e037b