Search
Now showing items 11-20 of 24
Theobroma cacao DNA: protocols for RFLP analysis
(IICA, San José (Costa Rica), 1989-10)
Este trabajo demuestra la aplicabilidad de la tecnología del polimorfismo restringido de longitud de fragmentos (PRLF) aplicada al cacao (Theobroma cacao L.) y da protocolos detallados para su utilización. El genoma DNA ...
Delineation of agricultural systems in a major tropical area of cacao production (Barlovento, Venezuela) by means of multivariate analysis
(IICA, San José (Costa Rica), 1994-04)
Agricultural systems in the Barlovento Valley, a major tropical area of cacao (Theobroma cacao L.) production, were studied according to multivariate statistical methods based on factor analysis. Basic data of samples were ...
Variation in the cultural characteristics of isolates of Crinipellis perniciosa in Trinidad
(IICA, San José (Costa Rica), 1989-10)
Debido a un incremento considerable en la incidencia de la enfermedad escoba de bruja en los progenies de dos clones de cacao, que hasta el momento se clasificaban como altamente resistentes al patógeno causal Crinipellis ...
Cacao agroforestry systems improve soil fertility: Comparison of soil properties between forest, cacao agroforestry systems, and pasture in the Colombian Amazon
(Elsevier, Ámsterdam (Países Bajos), 2021-01)
The objective of our work was to evaluate soil quality in different cacao agroforestry systems (AFS) in the Colombian Amazon. We compared soil quality of AFS at the study site with soil quality of two control systems: a ...
Comparative attractiveness of floral fragrance oils of "RIM" and "Catongo" cultivars of cacao (Theobroma cacao L.) to Diptera in a Costa Rican cacao plantation
(IICA, San José (Costa Rica), 1989-04)
En un terreno de cacao "Matina" abandonado de Costa Rica se hicieron pruebas durante la temporada de lluvias para comparar la atracción de tres concentraciones progresivas (100 ppm, 10 ppm, 1 ppm) de las esencias de las ...
Notes on phenological patterns of flowering and flower-feeding beetles (Coleoptera: Chrysomelidae) in two clones of cacao (Sterculiaceae: Theobroma cacao L.) in Costa Rica
(IICA, San José (Costa Rica), 1988-04)
En la Finca Experimental La Lola de Costa Rica, durante un periodo de cinco años, se hizo un estudio de las flores de 70 árboles maduros de Theobroma cacao Linnaeus (Sterculiaceae). De éstos, 35 eran del clon comercial ...
Meiosis in Theobroma cacao
(IICA, San José (Costa Rica), 1989-10)
En este estudio sobre Theobroma cacao todas las células estudiadas tenían 20 cromosomas; no se observaron células aneuploides. El proceso de meiosis se desarrolló normalmente, en el que el estadío de paquitene fue el de ...
Cacao cultivation as a livelihood strategy: contributions to the well‑being of Colombian rural households
(Springer, Nueva York (Estados Unidos), 2021-07)
Cacao cultivation is one of the most important livelihoods for rural households in Colombia, where it is promoted as a substitute for the illegal cultivation of coca. To strengthen Colombian cacao farming, it is important ...
Cordia alliodora with Theobroma cacao: a traditional agro-forestry combination in the humid tropics
(CATIE, Turrialba (Costa Rica). Programa de Recursos Naturales Renovables, 1981)
Evaluation of cacao hybrids under two shade systems at CATIE, Costa Rica
(CATIE, Turrialba (Costa Rica), 2014)
The cacao crop in Central America and the Caribbean Islands has been traditionally managed by farmers in different ways, using diverse sustainable ecological systems. Two shade systems: “poró” /erythrina poeppigiana) and ...