Results 11 to 20 of about 1,254 (198)

Can glyphosate affect germination and initial development of Dyckia vicentensis? [PDF]

open access: yesRodriguésia
Glyphosate is the most widely used herbicide in Brazil, and its impact on native flora is unknown. Dyckia vicentensis is an endemic and endangered species of the Pampa biome (Rio Grande do Sul state, Brazil) found near glyphosate-resistant soybean crops.
Débora Moro   +4 more
doaj   +3 more sources

Propagation of Dyckia vicentensis, an endemic bromeliad of the Pampa biome, Brazil [PDF]

open access: yesRodriguésia, 2018
Dyckia vicentensis is an endemic species of the southwestern region of Rio Grande do Sul (RS, Brazil), which presents high ornamental and economic value. Thus, the aim of this study was to test in vitro and ex vitro conditions for its propagation. For in
Rejane Flores   +7 more
doaj   +3 more sources

Demographic structure across all known populations of the rheophyte Dyckia brevifolia Baker (Bromeliaceae) in the Itajaí-Açu River, Southern Brazil [PDF]

open access: yesBrazilian Journal of Biology
Understanding the distribution and demographic structure of populations is essential for species conservation. In Brazil, the rheophyte group has been greatly affected by the construction of hydroelectric dams.
J. M. Rogalski, M. S. Reis, A. Reis
doaj   +2 more sources

Pollen morphology in the genus Dyckia (Bromeliaceae): endemic species from southern Brazil comprising the proposed infrageneric grouping “D. selloa complex” [PDF]

open access: yesRodriguésia
Dyckia, belonging to the Bromeliaceae, consists of species that share several morphological similarities. Recently, a proposal has grouped 13 species of the genus into a “D.
Pedro Schwambach de Almeida   +2 more
doaj   +2 more sources

In Vitro Germination and Propagation of Dyckia brevifolia, An Ornamental and Endangered Bromeliad

open access: yesHorticulturae, 2022
Dyckia brevifolia is an endangered plant used for ornamental purposes. As no references to the in vitro propagation of the species exist, the present study aims at investigating the possibility of an efficient micropropagation protocol.
Konstantinos Bertsouklis   +1 more
doaj   +2 more sources

Germinação de Dyckia encholirioides var encholirioides (Bromeliaceae, Pitcairnioideae) [PDF]

open access: yesFloresta e Ambiente, 2023
Resumo Dyckia encholirioides é uma bromélia considerada como vulnerável, pois apresenta restritos e descontínuos aglomerados, dispersos pelo centro-sul do Brasil, sendo listada como endêmica dessas regiões.
Marcelo Francisco Pompelli
doaj   +2 more sources

Diversidad diferencial de esporas de Glomeromycota en la rizosfera de Bromeliáceas nativas del Parque Nacional Sierra de Las Quijadas (San Luis, Argentina) [PDF]

open access: yesBoletín de la Sociedad Argentina de Botánica, 2014
Resumen: Los hongos micorrícicos arbusculares (HMA) forman con la mayoría de las plantas asociaciones simbióticas denominadas micorrizas arbusculares. Bromeliaceae es una familia americana que habita desde los trópicos hasta zonas templadas y áridas.
M. S Rivero Mega   +3 more
doaj   +4 more sources

Flower and floral trichome morphology of species of Dyckia Schult. f. (Bromeliaceae, Pitcairnioideae), and their importance to species characterization and genus taxonomy

open access: yesActa Botânica Brasílica, 2017
This paper presents a morphological analysis of the flower and floral trichomes of three rare species of Dyckia: Dyckia ibicuiensis, D. polyclada and D. racinae.
Jordano Dorval Tavares de Carvalho   +2 more
doaj   +2 more sources

Influence of nitric oxide donor nanoencapsulation on Dyckia excelsa Leme (Bromeliaceae) germination

open access: yesAgronomy Science and Biotechnology, 2023
Bromeliads are used in landscaping due to the beauty of their leaves and flowers. The use of plant regulators such as nitric oxide (NO) promotes the stimulus of germination and it has been a way out to enhance production and reduce the search for plants ...
Kauê Alexandre Monteiro   +5 more
semanticscholar   +2 more sources

Reproductive biology and phenology of Dyckia erectiflora (L.B.Sm.) Forzza (Bromeliaceae): An endemic bromeliad from rocky outcrops of the Northeastern Brazilian Cerrado [PDF]

open access: yesAnais da Academia Brasileira de Ciências
The reproductive success of rupicolous bromeliads in the Cerrado depends on climatic conditions and pollinators availability. This study analyzed the phenology and reproductive biology of Dyckia erectiflora (L.B.Sm.) Forzza, an endemic rupicolous ...
MARIANA LENARA DE A. MASRUA   +4 more
doaj   +2 more sources

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