Results 21 to 30 of about 253 (78)

Diversidad morfológica del androceo y gineceo de 17 especies de Papilionoideae (Fabaceae) nativas del Valle de Lerma (Salta-Argentina) y su relación con algunos aspectos reproductivos [PDF]

open access: yes, 2020
Introduction and objectives: The species of Papilionoideae have floral traits or strategies related to the pollination mechanisms and promote cross pollination such as mechanic barriers, spatial or temporal separation of the maturation of the sexual ...
Aleman, Maria Mercedes   +3 more
core   +2 more sources

EFFECTS OF GLYPHOSATE ON GERMINATION AND PHOTOSYNTHESIS IN Prosopis alba G.: A BIOCHEMICAL APPROACH [PDF]

open access: yes, 2022
In recent decades, the phytogeographic region of the Western Chaco has been subjected to heavy deforestation. The native forest was gradually replaced by agricultural crops using high doses of herbicides. Glyphosate is the most widely used herbicide, and
Martínez, Carlos Alberto   +2 more
core   +2 more sources

Searching for alternative hosts and determining the variation in the internal transcribed spacer (ITS) region of Phakopsora pachyrhizi and the implications for currently used molecular diagnostic assays: subtitle [PDF]

open access: yes, 2012
Phakopsora pachyrhizi, the causal agent of soybean rust (SBR), is a serious disease on soybeans.The objectives of this project were to identify additional alternative and possible overwintering hosts of the SBR pathogen and to validate the current ...
Rush, Tomas Allen
core   +2 more sources

Germinating requirements of common vines from Chaco Serrano of Córdoba, Argentina [PDF]

open access: yes, 2012
Vines are conspicuous elements of floras in different ecosystems. Patterns of distribution and ecology of this group has been studied at regional scales, mainly in tropical areas, but less is known about factors affecting their distribution at smaller ...
D´Agostino, Anahí Belén   +4 more
core  

Estudio florístico de la parte central de la barranca nenetzingo, municipio de Ixtapan de la sal, Estado de México [PDF]

open access: yes, 2010
No se cuenta todavía con un inventario completo de plantas que existen en el territorio mexicano. Aún quedan grupos por conocer y zonas del país sin explorar. En tal situación se encuentra la barranca Nenetzingo, Ixtapán de la Sal, Estado de México.
KOCH OLT, STEPHEN DOUGLAS   +9 more
core  

Fusión, esculturas y ornamentaciones de las piezas de la corola de 17 especies de Papilionoideae. [PDF]

open access: yes, 2017
: Fusion, sculptures and ornamentation of the corolla pieces of 17 species of Papilionoideae. The species of subfamily Papilionoideae present flowers with a complex architecture, with elaborated petals in which it has been documented the presence of ...
Alemán, María Mercedes   +4 more
core   +2 more sources

Los cariotipos de Cologania grandiflora y Erythrina americana (Leguminosae- Papilionoideae-Phaseoleae) de la Reserva Ecológica del Pedregal de San Ángel, México Karyotypes of Cologania grandiflora and Erythrina americana (Leguminosae-Papilionoideae- Phaseoleae) of Reserva Ecológica del Pedregal de San Ángel, Mexico

open access: yesRevista Mexicana de Biodiversidad, 2011
Se analizaron citogenéticamente células provenientes de meristemos radiculares de 2 leguminosas, Cologania grandiflora y Erythrina americana, que en la actualidad están incluidas en la flora de la Reserva Ecológica del Pedregal de San Ángel, México, D. F.
Fernando Tapia-Pastrana   +1 more
doaj  

Ecología de Quercus saltillensis en el Cañón de Bocanegra de la Sierra de Zapalinamé, Coahuila, México [PDF]

open access: yes, 2020
"Con el objetivo de determinar la ecología de Quercus saltillensis en los bosques de encino del Cañón de Bocanegra de la Sierra de Zapalinamé al oriente de Saltillo, Coahuila, se realizó un muestreo selectivo a través de 20 sitios concéntricos.
Gaona López, Edén Orlando
core  

Calcium oxalate crystal macropatterns in leaves of species from groups Glycine and Shuteria (Glycininae; Phaseoleae; Papilionoideae; Fabaceae) [PDF]

open access: yes, 2005
Calcium oxalate crystal macropatterns in leaves were characterized for 69 species (and two Glycine tomentella cytotypes) from 14 of 16 genera in two legume groups, Glycine and Shuteria, to determine whether they share a common macropattern.
Brown, A. H. D.   +5 more
core   +2 more sources

LISTADO FLORÍSTICO DE LA CUENCA DEL RÍO BALSAS, MÉXICO [PDF]

open access: yes, 1998
The Balsas river basin is one of the largest andmost important in Mexico. Comprisingapproximately 112,320 km2, it forms an eastwest-oriented depression in central-southMexico and occupies portions of the states ofGuerrero, Jalisco, México, Michoacán ...
Arreguín Sánchez, María de la Luz   +2 more
core   +4 more sources

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