Results 21 to 30 of about 77 (71)

Efecto del Asoleado y Almacenamiento en el Rendimiento de Tuberculo – Semilla de papa (Solanum tuberosum L), Infestada con punta morada (Candidatus liberibacter), Variedad Iniap Libertad en Ceyspa – UTC, Provincia de Cotopaxi, 2022. [PDF]

open access: yes, 2022
The research was carried out at the Technical University of Cotopaxi in the campus Salache Parish Eloy Alfaro, Canton Latacunga, Province of Cotopaxi, the site is at an altitude of 2757,591 whose geographical coordinates are: 78 ° 37 '19,16 "North ...
Llano Espinosa, Alison Nicole
core  

Calidad y germinación de semillas de quinua Chenopodium quinoa willd. almacenadas artesanalmente por productores [PDF]

open access: yes, 2017
This case study evaluated the conditions effect and traditional storage time of the quinoa producers of the Boyacá and Cundinamarca zone on the physical quality (color, shape, diameter, moisture content, imbibition) and physiological quality (viability ...
Arenas Rivera, Laura Cristina   +1 more
core   +3 more sources

Los límites de la productividad del cultivo de papa en Ecuador entre 2017 y 2018 [PDF]

open access: yes, 2021
The homogenization of agricultural cultivation practices in the world for the purpose of increasing productivity brings with it multiple consequences, among which are: soil erosion, practices and varieties.
Singaña Tapia, David Alejandro
core  

Seguimiento de labores y apoyo en el estudio de tratamientos del agua de riego en la producción de banano tipo exportación; Santa Marta – Magdalena [PDF]

open access: yes, 2020
El banano es el principal producto de exportación en el departamento del Magdalena, el cual se exporta principalmente a Europa y Estados Unidos representando cerca del 30% del total exportado a nivel nacional; este cultivo requiere de una serie de ...
Ballesteros Coronado, Eider Samit
core   +1 more source

Descolonizando la historia oral: una conversación

open access: yes, 2021
History, Volume 106, Issue 370, Page E1-E17, March 2021.
wiley   +1 more source

Bioconversion of carotenoids into high‐value crocins using a marine sponge carotenoid cleavage dioxygenase

open access: yesNew Phytologist, Volume 250, Issue 5, Page 3230-3246, June 2026.
Summary Carotenoids and apocarotenoids are widespread specialized metabolites, yet animals, including sponges, lack the ability to synthesize carotenoids de novo and must obtain them from dietary or microbial sources. The roles of carotenoid cleavage dioxygenases (CCDs) in marine animals remain largely unexplored. A CCD from the marine sponge Suberites
Elena Moreno‐Giménez   +11 more
wiley   +1 more source

Potato diversity at height: multiple dimensions of farmer-driven in-situ conservation in the Andes [PDF]

open access: yes, 2009
In-situ conservation Two types of in-situ conservation of crop genetic resources can be distinguished: farmer-driven and externally driven. The first is subject of this thesis and refers to the persistence of potato genetic resources in areas where ...
de Haan, S., Haan, S., de
core  

Análisis de los microorganismos nativos con potencial Biofertilizante aislados de suelos de palma de aceite en el CORREGIMIENTO LA LLANA NORTE DE SANTANDER. [PDF]

open access: yes, 2018
90 p.We analyzed the native microorganisms with biofertilizing potential isolated from the soil of palm oil crops in the Llana Norte de Santander corregimiento.
Laguado Toscano, Yulieth Vanessa.   +1 more
core   +1 more source

Detección molecular del agente causal del síndrome "bola de hilo" de la papa en semillas infectadas y asintomáticas [PDF]

open access: yes, 1999
Biotecnología Aplicada 1999;16:93-96 Detección molecular del agente causal del síndrome "bola de hilo" de la papa en semillas infectadas y asintomáticas Juan P Martínez-Soriano, Norma E Leyva-López, María E Zavala-Soto, Marie Bères, Diana S Leal-Klevezas

core   +2 more sources

Dissimilar climatic niche is predictive of contrasting historical demographic changes and altitudinal shifts in related oak species (Quercus)

open access: yesAmerican Journal of Botany, Volume 112, Issue 11, November 2025.
Abstract Premise Comparative surveys allow us to characterize the influence of specific factors on population genetic diversity and structure. We conducted a comparative phylogeographic study for three Mexican oak species to identify how their climatic niche preferences and breadth may have influenced historical demography and range shifts during ...
Ricardo Gaytan‐Legaria   +3 more
wiley   +1 more source

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