Consulta: subjectFacets:"Oryza"
Registros recuperados: 6
Data/hora: 10/06/2024 05:41:49

A walk on the wild side: Oryza species as source for rice abiotic stress tolerance
Provedor de dados: 74
Autores: Menguer,Paloma Koprovski; Sperotto,Raul Antonio; Ricachenevsky,Felipe Klein.
Abstract Oryza sativa, the common cultivated rice, is one of the most important crops for human consumption, but production is increasingly threatened by abiotic stresses. Although many efforts have resulted in breeding rice cultivars that are relatively tolerant to their local environments, climate changes and population increase are expected to soon call for new, fast generation of stress tolerant rice germplasm, and current within-species rice diversity might not be enough to overcome such needs. The Oryza genus contains other 23 wild species, with only Oryza glaberrima being also domesticated. Rice domestication was performed with a narrow genetic diversity, and the other Oryza species are a virtually untapped genetic resource for rice stress tolerance...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Oryza; Rice; Wild species; Abiotic stress; Domestication.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572017000200238

Taxonomia integrativa de Meloidogyne ottersoni (Thorne,1969) Franklin, 1971 (Nematoda: Meloidogynidae) parasitando arroz irrigado no Brasil).
Provedor de dados: 14
Autores: LEITE, R. R.; MATTOS, V. da S.; GOMES, A. C. M. M.; KOLS, D. A. de S.; PY, L. G.; CARES, J. E.; CASTAGNONE-SERENO, P.; CARNEIRO, R. M. D. G.
bitstream/item/225459/1/Boletim-meloydogene-372f21.pdf
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E)
Palavras-chave: Fenótipo de esterase; Nematoide das galhas; Oryza.
Ano: 2021
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1133778

Silicon sources for rice crop
Provedor de dados: 63
Autores: Pereira,Hamilton Seron; Korndörfer,Gaspar Henrique; Vidal,Anelisa de Aquino; Camargo,Mônica Sartori de.
Although silicon is not an essential nutrient, its application is beneficial for plant growth and development. To evaluate silicon sources in relation to agronomic efficiency and economic viability in rice crops (Oryza sativa L.), a greenhouse experiment was conducted, Quartzipsamment soil, in a completely randomized experimental design (n = 4). Treatments were 12 silicon sources and a control. Silicon was applied at the rate of 125 kg Si ha-1. Data were compared to a standard response curve for Si using the standard source Wollastonite at rates of 0, 125, 250, 375, and 500 kg Si ha-1. All treatments received CaCO3 and MgCO3 to balance pH, Ca and Mg. One hundred and fifty days after sowing, evaluations on dry matter yield in the above-ground part of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Slag; Metallurgical aggregate; Silicate; Oryza.
Ano: 2004
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162004000500010

Método prático para o cultivo de espécies silvestres do gênero Oryza
Provedor de dados: 63
Autores: Silva,Edson Ferreira da; Ando,Akihiko; Montalván,Ricardo; Tulmann Neto,Augusto.
É descrito um método simples e prático para o cultivo de plantas das espécies silvestres do gênero Oryza, em vasos com solo orgânico, submersos em "piscinas" com água. Este método proporciona às plantas uma condição similar ao habitat natural da maioria das espécies, favorecendo assim o desenvolvimento e a prolificidade dos genótipos.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Oryza; Arroz silvestre.
Ano: 1999
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90161999000400032

Establishment of drought screening protocols for rice under field conditions
Provedor de dados: 109
Autores: Sakai,Tomoko; Duque,Myriam Cristina; Vallejo Cabrera,Franco Alirio; Martínez,César Pompilio; Ishitani,Manabu.
Protocols were established for screening rice genotypes for tolerance to water-limited conditions under field conditions. These protocols were successfully used to select the best genotypes for further experiments. Rice genotypes responded differently when subjected to water-limited conditions. Experiments conducted under field conditions indicated that rice genotypes Curinga and CT6241 performed much better in terms of grain yield under water-limited conditions than varieties Azucena, Nerica, CICA8 and Palmar. Curinga, CT6241, CICA8 and Palmar were selected for further studies. The first two genotypes are tolerant and whereas the last two are susceptible to water stress.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Rice; Oryza; Drought; Yield; Yield components.
Ano: 2010
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122010000300009

Morphoagronomic genetic diversity in american wild rice species
Provedor de dados: 52
Autores: Veasey,Elizabeth Ann; Silva,Edson Ferreira da; Schammass,Eliana Aparecida; Oliveira,Giancarlo Conde Xavier; Ando,Akihiko.
To characterize the genetic variability among species and populations of South American wild rice, eleven populations of Oryza glumaepatula, seven of O. grandiglumis, four of O. latifolia and one of O. alta, from Brazil and Argentina, were evaluated. A greenhouse experiment was conducted in completely randomized blocks with 23 treatments. Twenty morphoagronomic traits were assessed. Univariate analyses were performed with 16 quantitative traits with the partitioning of populations within species. Significant differences (p&lt;0.001) between species were observed for all the traits as well as among populations within the species. The most variable was O. glumaepatula followed by O. latifolia. Multivariate discriminant canonical and cluster analyses...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Quantitative traits; Qualitative traits; Morphology; Oryza.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000100012