Repositorio Institucional CATIE: Recent submissions
Now showing items 1-10 of 11457
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The maize microplot method of soil testing
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1966-07-01)A simple field method of soil testing is described that can be completed in less than a month. The plotting is a 3 x 3 x 3 factorial design, with 2 x 2 ft (60 x 60 cm) plots in areas separated by equally spaced spaces. The ... -
Principales variedades de cacao cultivadas en América tropical
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1966-07-01)Se presenta una descripción corta de las principales variedades de cacao crecidas comercialmente en el Hemisferio Occidental. La descripción incluye características del árbol, de las semillas y las mazorcas, las localidades ... -
Presence of viruses in Bolivian potatoes
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1966-07-01)The presence of the most common viruses in potatoes was determined in forms cultivated by indigenous peoples of Bolivia. The diagnosis of the viruses was carried out both by readings in indicator plants and by serological ... -
Aireación en un suelo de café
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1966-10)This work constitutes a study on drainage and aeration made within a selected area comprising part of the IICA coffee collection area with a variable topography. The area (about 0.5 acre) was divided into four sites ... -
The utilization of phosphorus in some Venezuelan forages
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1966-06-01)Phosphorus ingestion and fecal excretion were measured using 14 forage samples from Venezuela supplied to groups of six adult cinque rams kept in individual compartments. The average signal absorption of phosphorus contained ... -
Yield components in beans, as addected by intercrossing and neutron irradiation
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1966-07-01)With one or two cycles of recurrent hybridization, with or without neutron irradiation, improvements in selection for high yield and high yield components appear possible through a notable increase in variability and ... -
Análisis químico de la harina de almendra de conacaste (Enterolobium cyclocarpum) y su evaluación biológica en ratas y pollos
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1966-10)The chemical composition of the seed of conacaste (Enterolobium cyclocarpum), raw or cooked, was determined. The kernel contains 32–41% of protein, and the husk, more calcium and fiber and less phosphorus and protein than ... -
La importancia de las sustancias polifenólicas en el mecanismo fisiológico de la resistencia de cacao (Theobroma cacao L.) a Phytophthora palmivora (Butl.) Butl.
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1966-10)Se investigó el mecanismo de la resistencia del cacao (Theobroma cacao L.) al hongo Phytophthora palmivora (Butl.) Butl., el cual causa la enfermedad llamada "mazorca negra del cacao". Se estudió el contenido y la actividad ... -
The origin of the cauliflorous inflorescence of Theobroma cacao
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1966-10)Se determinó el origen de la inflorescencia cauliflora de Theobroma cacao usando dos métodos experimentales. Las trazas vasculares de las inflorescencias se siguieron hasta sus orígenes mediante la disección de un tronco ... -
Fungicides for control of Colletotrichum gloeosporioides leaf spot, or "Shot Hole", or "Anthracnose" in seedbeds of cacao in Costa Rica
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1966-01)En una comparación, con varias repeticiones, de 4 fungicidas usados para el control del Colletotrichum gloeosporioides (mancha de la hoja) en plantitas de cacao, dos aplicaciones de Difolatan dieron un control significativamente ...
