Results 51 to 60 of about 2,723 (216)

Anatomía de la semilla de Tigridia pavonia (Iridaceae)

open access: yesBotan‪ical Sciences, 2002
Mediante microscopía de luz, tinciones histoquímicas y microscopía electrónica de barrido se determinó que el óvulo en la semilla de Tigridia pavonia (Iridaceae ) es anátropo, bitégmico y crasinucelar.
Aída Carrillo-Ocampo, E.M. Engleman
doaj   +1 more source

MtGRF8 interacts with MtSymCRK and prevents early bacteroid death during Medicago – Sinorhizobium symbiosis

open access: yesNew Phytologist, Volume 251, Issue 5, Page 2867-2887, September 2026.
MtSymCRK–MtGRF8‐14‐3‐3a, e, h and i functional model in R‐108 nodules. Summary In Medicago littoralis R‐108, Symbiotic CYSTEINE‐RICH RECEPTOR‐LIKE KINASE (MtSymCRK) is required to prevent defense reactions in symbiotic nodules during chronic infection.
Chaoyan Yin   +9 more
wiley   +1 more source

RENDIMIENTO DE HÍBRIDOS DE MAÍZ BAJO DIFERENTES COMBINACIONES DE SEMILLA ANDROESTERIL Y FÉRTIL EN MÉXICO

open access: yesAgronomía Mesoamericana, 2009
El objetivo de este trabajo fue determinar la capacidad productiva de los híbridos comerciales H-48 y Puma 1076 en diferentes mezclas de semilla androesteril y fértil: 1) 100 % semilla androesteril; 2) 90 % semilla androesteril más 10 % semilla fértil; 3)
Alejandro Espinosa-Calder\u00F3n   +5 more
doaj  

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

open access: yesNew 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   +9 more
wiley   +1 more source

Factores antinutricionales en semillas

open access: yesBiotecnología en el Sector Agropecuario y Agroindustrial, 2009
El presente artículo proporciona una revisión de los conocimientos rela- cionados con los factores antinutricionales, más comunes, presentes en algunos alimentos, especialmente en semillas comestibles. Además se incluyen datos relacionados con su naturaleza química, efectos sobre los procesos digestivos y aprovechamiento de nutrientes, posibles formas ...
Chaparro, Diana Carolina   +2 more
openaire   +3 more sources

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

open access: yesNew 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   +3 more
wiley   +1 more source

Estudio sobre polinización y biología floral en Passiflora edulis f. edulis Sims, como base para el premejoramiento genético

open access: yesActa Agronómica, 2013
La gulupa es la segunda especie en importancia económica del género Passiflora L., ya que se comercializa como fruta fresca y procesada en todos los continentes.
Juan Sebastián Rendón   +2 more
doaj  

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

open access: yesNew 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   +7 more
wiley   +1 more source

Establecimiento y germinación in vitro de semillas de pitahaya naranja de Churuja (Hylocereus sp.)

open access: yesRevista Agrotecnológica Amazónica
La presente investigación planteó como objetivo establecer y germinar en condiciones in vitro semillas de pitahaya naranja de Churuja (Hylocereus sp.), permitiendo obtener material vegetal joven en condiciones asépticas.
José Maximino Saavedra-García
doaj   +1 more source

The molecular regulation of axillary bud fate determination and outgrowth into branch crown in strawberry involves BRC1

open access: yesNew Phytologist, Volume 251, Issue 5, Page 3021-3038, September 2026.
Proposed regulatory model for the axillary bud (AXB) fate determination of outgrowth into stolon and branch crown (BC) in strawberry. Summary In strawberry, the axillary bud (AXB) can produce either an elongated stem called stolon giving a daughter‐plant (asexual reproduction) or an inflorescence‐bearing branch crown (BC; sexual reproduction).
Marie Alonso   +9 more
wiley   +1 more source

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