Results 141 to 150 of about 34,585 (268)

Morpho-anatomy, imbibition, viability and germination of the seed of Anadenanthera colubrina var. cebil (Fabaceae)

Revista de Biología Tropical, 2013
Seed biology is a relevant aspect of tropical forests because it is central to the understanding of processes of plant establishment, succession and natural regeneration. Anadenanthera colubrina var.
Rodolfo Omar Varela, Patricia Liliana Albornoz   +1 more
doaj  

Análisis de atribución causal en el uso de semilla criolla y semilla mejorada de maíz

, 2017
Para estimar la coordinación y eficiencia del sistema institucional de generación y transferencia de tecnología, así como su repercusión en la adopción de semilla entre los agricultores de una región productora de maíz (Zea mays L.) en México, se utilizó
Navarro Garza, Hermilio, Guillén Pérez, Luis Alipio, Mercado Domenech, Serafín, Sánchez Quintanar, Concepción   +3 more
core  

Evidence for a trade‐off between growth rate and xylem embolism resistance in 22 Eucalyptus species

New Phytologist, Volume 251, Issue 5, Page 2407-2426, September 2026.
Examples of cross‐sectional images of branchlets at 4× and 40×. Summary Within the growth–survival trade‐off framework, embolism resistance is considered a contributor to survival, yet whether greater embolism resistance inherently limits growth remains unclear.
Tiantian Pan, Vinod Jacob, Travis G. Britton, Julian Schrader, Jennifer M. R. Peters, Jinlong Li, Chongzhe Zhang, Jiahao Wen, Brendan Choat, Ian J. Wright   +9 more
wiley   +1 more source

Recruitment process for studying occupational and environmental chemical exposures in a birth cohort study in Ecuador: challenges dealing with a stratified sample. [PDF]

BMC Pregnancy Childbirth
Orozco F, Montenegro S, Muñoz F, Handal AJ.   +3 more
europepmc   +1 more source

Diásporas y semillas

, 2018
Este trabajo de diásporas y semillas pretende destacar el valor de los caracteres internos de las semillas en la identificación de las especies. Incluye 200 especies contenidas en 155 géneros y 43 familias, consideradas “malezas”. Sin embargo, muchas de ellas tienen propiedades alimenticias, medicinales y/o tóxicas para el hombre o los animales.
openaire   +1 more source

Sanidad de semilla: promover la distribución segura de semilla de maíz y de trigo: lineamientos generales

, 2013
El CIMMYT tiene la misión de mejorar variedades de maíz y trigo, así como de salvaguardar el germoplasma de ambos cultivos. Los programas de mejoramiento de germoplasma del CIMMYT dependen en buena parte del libre intercambio internacional de semilla de ...
Mezzalama, M.
core  

Small‐scale adaptation to geothermal soil heating in a perennial herb revealed by combining crosses and transplantations

New Phytologist, Volume 251, Issue 5, Page 3008-3020, September 2026.
Path diagrams showing the results of piecewise structural equation models examining how fitness (total number of seeds in flowering individuals) of Cerastium fontanum depended on temperature at planting site, temperature difference, mating type, and flowering time (FFD, first flowering date) in each of the two study years.
Alicia Valdés, Vigdís F. Helmutsdóttir, Bryndís Marteinsdóttir, Johan Ehrlén   +3 more
wiley   +1 more source

Sociodemographic characteristics and predictive factors of attrition: comparison in two final waves of a birth cohort study in Ecuador. [PDF]

Front Reprod Health
Cadena N, Handal AJ, Muñoz F, Orozco F.
europepmc   +1 more source

LURP1, a SARD1‐regulated protein, coordinates with the helper NLR ADR1 to promote plant immunity

New Phytologist, Volume 251, Issue 5, Page 2852-2866, September 2026.
The working model of LURP1 function in plant immunity. Upon pathogen infection, SARD1/CBP60g promotes the transcription of LURP1 directly. LURP1 likely functions as an adaptor protein that associates with the PRRs–BAK1 complexes at the plasma membrane (PM) while also interacts with the ADR1 family helper NLRs.
Xueru Liu, Weijie Huang, Zhengxi Gong, Chenying Li, Siyu Chen, Shucai Wang, Yuelin Zhang, Xin Li   +7 more
wiley   +1 more source

Development of a structured tracking system to improve retention in a birth cohort in rural Ecuador. [PDF]

Glob Health Action
Montenegro S, Handal AJ, Orozco F.
europepmc   +1 more source