Results 31 to 40 of about 1,304 (161)

Análisis filogenético de especies de Quercus L. utilizando tres códigos de barras de ADN

Ecosistemas y Recursos Agropecuarios, 2021
El género Quercus L., Fagaceae, es de gran relevancia en cuanto diversidad, importancia ecológica y económica; pero la información taxonómica documentada no siempre permite distinguir entre los taxones. En este estudio se evaluó el poder discriminatorio
Flor Cristina Pacheco-Reyes, Lihua Wei, Miguel Angel Perez-Rodriguez   +2 more
doaj   +1 more source

Efficiency of RAPD, ISSR, AFLP and ISTR markers for the detection of polymorphisms and genetic relationships in camote de cerro (Dioscorea spp.)

Electronic Journal of Biotechnology, 2014
Background: At present, species known as camote de cerro (Dioscorea spp.) are found only in the wilderness in Mexico, but their populations are extremely depleted because they are indiscriminately collected, it is urgent to evaluate the conservation ...
Ana Paulina Velasco-Ramírez, Martha Isabel Torres-Morán, Sandy Molina-Moret, José de Jesús Sánchez-González, Fernando Santacruz-Ruvalcaba   +4 more
doaj   +1 more source

Leaf and fruit morphological descriptors for commercial nance selections (Byrsonima crassifolia (L.) HBK) in Nayarit, Mexico.

Revista Bio Ciencias, 2016
In order to identify the variability of quantitative and qualitative leaf and fruit descriptors, 41 commercial nance selections (Byrsonima crassifolia (L.) HBK) collected in six locations of the state of Nayarit were characterized. The main component
Medina-Torres, R., Salazar-García, S., Ibarra-Estrada M. E., López-Guzmán G.G.   +3 more
doaj   +1 more source

PROGRAMA DE DOCUMENTACIÓN, CONSERVACIÓN Y VALORACIÓN DE LA FLORA NATIVA DE LA UNIVERSIDAD NACIONAL DEL LITORAL

Fave: Sección Ciencias Agrarias, 2021
Se presenta una síntesis de las acciones que se realizan en el marco del Programa de Documentación, Conservación y Valoración de la Flora Nativa, declarado de Interés Institucional por la Universidad Nacional del Litoral.
J. F. PENSIERO
doaj   +1 more source

A Multispecies Collecting Strategy for Crop Wild Relatives Based on Complementary Areas with a High Density of Ecogeographical Gaps

Crop Science, Volume 57, Issue 3, Page 1059-1069, May–June 2017., 2017
Amidst the general concern about the need to conserve crop wild relatives (CWR) as a source of genetic diversity potentially useful in crop breeding, recent studies have assessed global gaps in CWR conservation using predictive distribution approaches.
Rosa M. García, Mauricio Parra‐Quijano, José M. Iriondo   +2 more
wiley   +1 more source

Caracterización de accesiones de chile (Capsicum spp.)

Agronomía Mesoamericana, 2016
Se trabajó con una población de 59 accesiones pertenecientes a una colección de Chile (Capsicum spp.) del Banco de Germoplasma del Centro Agronómico Tropical de Investigación y Enseñanza (CATIE) y dos del Programa de Recursos Fitogenéticos de la ...
Nora C. Martín, William G. González
doaj   +1 more source

Identification of ecogeographical gaps in the Spanish Aegilops collections with potential tolerance to drought and salinity [PDF]

PeerJ, 2017
Drought, one of the most important abiotic stress factors limiting biomass, significantly reduces crop productivity. Salinization also affects the productivity of both irrigated and rain-fed wheat crops.
Rosa María Garcia, Mauricio Parra-Quijano, Jose María Iriondo   +2 more
doaj   +2 more sources

Germination response of Erigeron sumatrensis (Retz.) seeds to drying and freezing

Agrociencia Uruguay
Erigeron species form a complex of weed species that have evolved herbicide resistance in Uruguay. Genetic studies using seeds from different biotypes are frequently conducted to understand how this evolution occurred.
Federico Condón, Tiago Kaspary, Silvana González   +2 more
doaj   +1 more source

Material de apoyo a la capacitación en conservación ex situ de recursos fitogenéticos [PDF]

, 2019
El material capacita a los técnicos en recursos fitogenéticos en los aspectos fundamentales de la conservación ex situ de recursos fitogenéticos, desde la etapa de colecta hasta la utilización del germoplasma.
Baena, M., Instituto Internacional de Recursos Fitogenéticos, Jaramillo, S.   +2 more
core  

Seed Morphometry and Germination of Four Edible Species of Passiflora spp. Conserved in a Gene Bank

Crops
The Passifloraceae family is one of the most representative in tropical America, with food, pharmaceutical, and ornamental importance. This study evaluated seed morphometry and germination of eight accessions of four Passiflora edible species, P. edulis;
Fabricio Verdezoto-Merino, Álvaro Monteros-Altamirano, Alberto Roura, Héctor Andrade-Bolaños   +3 more
doaj   +1 more source