Results 31 to 40 of about 327 (136)

Viruses incidence on yam (Dioscorea spp.) in five municipalities of sucre, colombia incidencia de virosis en ñame

Temas Agrarios, 2014
In Colombia, yams (Dioscorea spp.) are grown in the Caribbean region, with Dioscorea alata L. and Dioscorea rotundata Poir. most cultivated species. One of the limiting factors in these crops are diseases caused by viruses, especially by Potyvirus that ...
Iris R. Payares, Javier D. Beltrán, Euriel Millán   +2 more
doaj   +1 more source

Novelty for the flora of Espírito Santo, Brazil: a new species of Ouratea Aubl. (Ochnaceae)

Nordic Journal of Botany, Volume 2026, Issue 8, August 2026.
Here, we describe and illustrate the new species Ouratea oberdanii Fraga & Deccache, which is named after Dr Oberdan José Pereira. This new species is found in the mountainous regions of the evergreen Atlantic Forest in the Brazilian state of Espírito Santo. Ouratea oberdanii is similar to O. linearis (A.Gray) Sastre & Offroy and O.
Lara Serpa Jaegge Deccache, Sabrina Vasconcelos Caram, Karen Lúcia Gama De Toni, Leandro Lacerda Giacomin, Claudio Nicoletti de Fraga   +4 more
wiley   +1 more source

New canopy legume species highlight liana gap sampling across Amazonian and Atlantic rain forests

TAXON, Volume 75, Issue 4, August 2026.
Abstract Lianas are a key component of the Neotropical flora, accounting for 10% of angiosperm richness and playing important ecological roles. However, the canopy preference of some species often leads to their underrepresentation in herbarium collections, thereby exacerbating Linnaean, Darwinian, and Wallacean shortfalls. The papilionoid legume genus
Andrés Fonseca‐Cortés, Cristiane Snak, Ruth Clark, Domingos Cardoso, Luciano Paganucci de Queiroz   +4 more
wiley   +1 more source

Propagación in vitro de semillas de la orquídea Comparettia falcata Poepp. & Endl. (Orchidaceae) mediante técnicas simbióticas y asimbióticas

Acta Agronómica, 2015
Para su germinación, las orquídeas dependen de hongos micorrízicos y muchas de las características únicas de estas plantas están asociadas con el hongo que las coloniza.
Héctor Karol Chávez, Ana Teresa Mosquera-Espinosa, Joel Túpac Otero Ospina   +2 more
doaj   +1 more source

O ensino de fisiologia vegetal: Uma revisão sistemática durante a pandemia da Covid-19

Diversitas Journal, 2023
O presente trabalho, busca descrever e saber quais foram as metodologias mais utilizadas durante o ensino remoto emergencial (ERE) no Brasil que auxiliaram no ensino de fisiologia vegetal.
Jhonatan Ferreira da Silva, Flavia Santos Alves, José Vandemilson dos Santos Silva, Lino Manoel do Nascimento Filho, Adenaely Rodrigues Rocha, Camila Chagas Correia   +5 more
doaj   +1 more source

A revision of the genus Armeria (Plumbaginaceae) in peninsular Italy and Sicily through an integrative taxonomic approach

TAXON, Volume 75, Issue 4, August 2026.
Abstract The genus Armeria in peninsular Italy has been affected by taxonomic ambiguity for more than a century due to high morphological variability. We present a comprehensive revision of peninsular Italian and Sicilian Armeria species, using an integrated taxonomic approach that combines molecular phylogeny, plant and seed morphometrics, and ...
Manuel Tiburtini, Gianluigi Bacchetta, Fabrizio Bartolucci, Liliana Bernardo, Fabio Conti, Emanuela Di Iorio, Gianniantonio Domina, Duilio Iamonico, Mauro Iberite, Luca Paino, Marco Sarigu, Paolo Caputo, Lorenzo Peruzzi   +12 more
wiley   +1 more source

Sistemática filogenética y el concepto de especie

Botan‪ical Sciences, 1997
Realmente no existe el problema de definir un concepto de especie en sistemática. Más bien existe la ambigüedad general de conceptualizar los taxa. En esta revisión se argumenta que primero se debe tomar la decisión respecto al tipo de entidades que se ...
Brent D. Mishler, Efraín de Luna
doaj   +1 more source

Landscape configuration and soil properties shape ant‐mediated seed dispersal in tropical dry forest agricultural landscapes

Journal of Animal Ecology, Volume 95, Issue 8, Page 1476-1487, August 2026.
We show that ant‐mediated seed dispersal components respond differently to local soil conditions and landscape structure in Caatinga agricultural mosaics. Low‐intensity rainfed croplands maintained or enhanced seed removal compared to natural remnants, highlighting how small‐scale agriculture can sustain key ecological processes in human‐modified dry ...
Jaiane Maria Silva, Marília Bruzzi Lion, Rafaela Cândido de França, Bráulio Almeida Santos, Helder Farias P. Araujo, José D. Ribeiro‐Neto   +5 more
wiley   +1 more source

Anatomía del pecíolo de 16 especies de Polypodiaceae presentes en México

Boletín de la Sociedad Argentina de Botánica
Introducción y objetivo: Diversos trabajos han mostrado que el pecíolo posee características anatómicas útiles en la diferenciación de grupos, por lo que realizamos el estudio anatómico descriptivo y comparativo de las regiones basal, media y apical del
Sarahi Luis- Enríquez, Aniceto C. Mendoza Ruiz, Jacqueline Ceja Romero, Ernesto Velázquez-Montes   +3 more
doaj   +1 more source

She Doesn't Whisper: Female‐Prominent Stridulation Shaped by Morphology in a Buthid Scorpion and Insights on Its Function

Ethology, Volume 132, Issue 8, Page 533-543, August 2026.
Sexual dimorphism and stress‐induced stridulatory responses in Jaguajir rochae (Borelli, 1910). Females exhibited greater absolute pectinal size and higher sound pressure levels, whereas males showed higher pectinal allometric ratios relative to body size, lower sound frequencies, and shorter delta times.
Welton Dionisio‐da‐Silva, Natália Maria Câmara Luna, Patrício Adriano da Rocha, Rodrigo Hirata Willemart, Marcio Bernardino daSilva   +4 more
wiley   +1 more source