publication
Fusarium wilt of banana, a recurring threat to global banana production
Bioversity-CIAT Alliance (Bioversity-CIAT Alliance)
https://hdl.handle.net/10568/110547
Abstract
TR4 first emerged in Southeast Asia (Ploetz, 1990) and its current rapid spread was analysed by Ordóñez et al. (2015). Subsequent studies showed that the TR4 strain is extremely virulent towards many banana cultivars, including Cavendish cultivars grown in large-scale monoculture plantations for export markets and many banana varieties important…
publication
Susceptibility of soil to wind erosion in arid area of the Central Rift Valley of Ethiopia
International Center for Tropical Agriculture (CIAT)
https://hdl.handle.net/10568/69175
Abstract
In Central Rift Valley (CRV) of Ethiopia, renewable land resources are under pressure. Acacia woodland clearance, frequent cultivation, crop residue removal and mono-cropping are among the major land mis-management practices in the area. This has largely been affecting the soil quality. The current study is aimed at assessing the…
publication
Participatory analysis of the sweet cherry sector in Argentinian South Patagonia
International Center for Tropical Agriculture (CIAT)
https://hdl.handle.net/10568/42158
Abstract
Sweet cherry production is a newly developed and promising activity in Argentinian South Patagonia. Together with a rapid increase in area (from 176 ha in 1997 to 635 ha in 2009), problems related to productivity and commercialization have threatened its sustainability. To gain a collective understanding of the complexity of the cherry…
publication
Inventaire des mauvaises herbes associées à la culture de haricot commun (Phaseolus vulgaris) comme guide dans un programme de désherbage en milieu paysan dans l’hinterland de Lubumbashi R.D. Congo
https://hdl.handle.net/10568/93192
Abstract
Dans l'hinterland de Lubumbashi caractérisé par une agriculture paysanne des investigations floristiques étaient menées en culture de haricot commun (Phaseolus vulgaris) au cours de la saison culturale 2014 dans 12 champs repartis sur 2 axes routiers dont : kasumbalesa et Kipushi. De ce fait…
publication
Comparative description of land use and characteristics of belowground biodiversity benchmark sites in Kenya
International Center for Tropical Agriculture (CIAT)
https://hdl.handle.net/10568/43279
Abstract
In Kenya, the below-ground biodiversity (BGBD) project selected two benchmark sites for the inventory of soil biota; these included the Irangi and Ngangao forest sites in the Mount Kenya region of Embu District and the Taita Hills area of Taita Taveta District. The areas selected by the project were located in…
publication
Impacto del cambio climático para el 2020 en la distribución potencial de Achira (Canna indica L.) en Colombia usando tres modelos de circulación global de la familia de escenarios de emisión A2
International Center for Tropical Agriculture (CIAT)
https://hdl.handle.net/10568/68907
Publication year
2015
Authors
Calderón Torres, Shirley
Sosa, Chrystian C.
Khoury, Colin K.
Full…
publication
Temporal differences in plant growth and root exudation of two Brachiaria grasses in response to low phosphorus supply
International Center for Tropical Agriculture (CIAT)
https://hdl.handle.net/10568/88133
Abstract
Exploiting the natural variability of Brachiaria forage germplasm to identify forage grasses adapted to infertile acid soils that contain very low available phosphorus (P) is an important research objective for improving livestock production in the tropics. The objective of this study was to determine…
publication
Wild common bean in the central valley of Costa Rica: Ecological distribution and molecular characterization
International Center for Tropical Agriculture (CIAT)
https://hdl.handle.net/10568/44230
Abstract
Wild common bean in the Central Valley of Costa Rica: ecological distribution and molecular characterization. This work offers an update on the distribution of wild common bean in Costa Rica. its ecology and molecular characterization. To date 22 populations have been discovered in four watersheds around the…
publication
Dynamics and definitions of poverty in the Colombian Andes: Participatory and objective approaches
International Center for Tropical Agriculture (CIAT)
https://hdl.handle.net/10568/42741
Abstract
The objective of this study is to examine the consistency of results of a participatory poverty assessment methodology applied in two Colombian watersheds with those from more objective approaches. The results suggest that there is a set of elements that are considered basic to both types of poverty assessment; however at…
publication
El biotipo B de Bemisia tabaci (Gennadius) (Homoptera: Aleyrodidae) adquiere mayor importancia en el Valle del Cauca
International Center for Tropical Agriculture (CIAT)
https://hdl.handle.net/10568/44297
Abstract
To update information on whitefly species composition and occurrence of whitefly biotypes affecting annual crops in the Cauca Valley of Colombia, a new survey was coriducted in 2002-2003. Thirty-seven sites in 23 differerit locations were visited. Adult and pupal samples were taken from 11 crops.…
publication
Diversidad del chontaduro (Bactris gasipaes) consumido en Colombia
International Center for Tropical Agriculture (CIAT)
https://hdl.handle.net/10568/65923
Publication year
2009
Authors
Giraldo, A.
Dufour, D.L.
Rivera, A.F.
Sánchez, T.
Scheldeman, Xavier
González M, A.
Full Citation
Giraldo, Andrés; Dufour, Dominique L.; Rivera, Andrés Felipe;…
publication
Land use systems and distribution of Trichoderma species in Embu region, Kenya
International Center for Tropical Agriculture (CIAT)
https://hdl.handle.net/10568/43629
Abstract
The distribution of Trichoderma species in soils of Embu region in relation to land use practices was investigated. The study area was chosen because of its significant land use intensification. Soil washing and dilution plate techniques were used to recover Trichoderma spp from soil samples. The fungal isolates were identified and assigned…
publication
Resistencia a insecticidas en Bemisia tabaci y Trialeurodes vaporariorum (Homoptera: Aleyrodidae) en Colombia y Ecuador
International Center for Tropical Agriculture (CIAT)
https://hdl.handle.net/10568/44382
Abstract
Trialeurodes vaporariorum (Westwood) and the A and B biotypes of Bemisia tabaci (Gennadius) are the most important whiteflies affecting annual crops in Colombia and Ecuador. Levels of resistance to organophosphate, carbamate, and pyrethroid insecticides in adults of these species were studied across…
publication
Influence of soil chemical and physical properties on occurrence of Trichoderma spp. in Embu, Kenya
International Center for Tropical Agriculture (CIAT)
https://hdl.handle.net/10568/43095
Abstract
Soil samples were collected from 8 land use types in Embu to study the effects of land use on soil chemical and physical parameters and on the occurrence of Trichoderma spp. The fungus was recovered from the soil using the dilution plate and soil washing technique. The remaining soil samples were used to measure the…
publication
La piñata de los perdedores: Reflexiones sobre el efecto fundador en recursos fitogenéticos
International Center for Tropical Agriculture (CIAT)
https://hdl.handle.net/10568/88956
Abstract
La introducción de germoplasma vegetal libre de plagas y enfermedades en la ecología apropiada ha sido a menudo la vía más directa al desarrollo agrícola y fuente de riqueza. Los ejemplos son numerosos: la caña de azúcar en Haití en 1494, la vid en Chile en 1583, la papa en Irlanda en 1600, el café en Colombia en 1758, la soya…
