Results 31 to 40 of about 66,416 (175)

Efecto de leñosas en la producción de semillas de gramíneas nativas [PDF]

open access: yes, 2016
En los ecosistemas gramíneas/leñosas característicos de los pastizales naturales del sudoeste bonaerense, las condiciones micro-ambientales debajo de la canopia de las leñosas difieren de las existentes en los espacios abiertos.
Vivas, Sofía Elena
core  

Plant functional diversity does not dilute virus infection, but community virus prevalence positively correlates with net C3 grass production

open access: yesJournal of Ecology, Volume 114, Issue 2, February 2026.
This study examines if plant functional diversity dilutes plant virus prevalence in grass hosts and evaluates how virus prevalence influences net community and host production. Functional diversity did not mitigate or amplify virus prevalence. While we found that species relationships between virus prevalence and production varied, overall, virus ...
Beatriz A. Aguirre   +3 more
wiley   +1 more source

Fine‐tuning the buzz: comparing visitation frequency and pollination effectiveness in plant–pollinator networks

open access: yesNew Phytologist, Volume 249, Issue 4, Page 2140-2152, February 2026.
Summary Ecological network approaches have advanced our understanding of how species interactions influence community and evolutionary dynamics. However, a key limitation is that most network analyses rely solely on visitation data, often overlooking functional aspects of interactions.
Lorena B. Valadão‐Mendes   +4 more
wiley   +1 more source

Micorrizas arbusculares: perspectivas para aumento da eficiência de aquisição de fósforo (P) em Poaceae - gramíneas. [PDF]

open access: yes, 2017
O desenvolvimento de novas técnicas, produtos e serviços para a produção agrícola devem garantir ganhos de produtividade e redução do impacto ambiental visando assim garantir a sustentabilidade da produção agrícola aliada a conservação do meio ambiente e
GOMES, E. A.   +3 more
core  

Calagem num podzólico vermelho-amarelo para cultivo de três gramíneas forrageiras

open access: yesBoletim de Indústria Animal, 2014
Em casa-de-vegetação do Instituto de Zootecnia, Nova Odessa-SP, estudaram-se os efeitos de quatro níveis de calcário dolomítico (0; 1,2; 2,4 e 3,6 t/ha) sobre a produção de matéria seca, teor de nitrogênio, quantidade total de nitrogênio e composição quimica do capim-colonião (Panicum maximum,Jacqj, braquiária (Brachiaria decumbens Stapf.
José Monteiro Carriel   +2 more
openaire   +5 more sources

The State of Knowledge of the Primary and Secondary Metabolites of the Iris Genus

open access: yesChemistry &Biodiversity, Volume 23, Issue 1, January 2026.
The genus Iris L. (Iridaceae) comprises over 320 species, primarily found in the northern hemisphere. Iris species are important in horticulture, folklore and medicine, and contain a variety of primary and secondary metabolites with significant biological activity.
Olha Mykhailenko   +3 more
wiley   +1 more source

Efeito do cultivar e do grau de maturidade dos grãos sobre os espectros NIR de silagens de sorgo

open access: yesPubvet, 2021
Objetivou-se, avaliar a similaridade espectral entre cultivares de sorgo em diferentes estádios de maturação dos grãos, visando o desenvolvimento de modelos utilizando espectroscopia de refletância no infravermelho próximo (NIRS).
Valcicleide Oliveira dos Santos   +6 more
doaj   +1 more source

Longevidade das sementes de gramíneas forrageiras tropicais

open access: yesBoletim de Indústria Animal, 2014
A viabilidade das sementes dos cultivares IPEAN e australiano de Brachiaria decumbens, B. plantaginea (uma invasora), Panicum maximum cv. Wurth (Wurth), P. maximum var. trichoglume cv. Petrie (green panic), Setaria sphacelata ver. sericea cv. Kazungula (setária Kazungula), todas Colhidas na Estação Experimental Central do Instituto de Zootecnia em Nova
Paulo Rogério Palma de Oliveira   +1 more
openaire   +8 more sources

Complete Mitochondrial Genome Sequencing of Asian Glass Lizards (Anguidae: Dopasia): Comparative Analysis With Limbless Anguids and New Insights Into the Adaptive Evolution of Protein‐Coding Genes

open access: yesEcology and Evolution, Volume 15, Issue 12, December 2025.
This study analyzed mitochondrial genomes from eight individuals of two Dopasia species and 28 other Anguidae sequences to investigate selection patterns in protein‐coding genes. Positive selection was detected in six of the 13 mitochondrial genes, with amino acid preferences correlating with geographic distribution, suggesting a role in environmental ...
Bo Cai   +8 more
wiley   +1 more source

Synopsis of Poaceae in the grassland formations of the Parque Estadual do Guartelá, Paraná State, Brazil

open access: yesHoehnea
Poaceae is a cosmopolitan family that includes species found in both forest and grassland formations. The objective of this study was to carry out the first floristic survey of Poaceae in the Parque Estadual do Guartelá (PEG), one of the last remnants of
Tainã de Souza   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy