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Now showing items 501-510 of 690
El rambután (Nephelium lappaceum); composición química del fruto y su conservación
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-04)
The chemical composition of seed, flesh (aril) and peal of rambutan (Wephelium lappaceum) is reported for three different stages of maturity. Some morphological characteristics which differences it from Litchi chinensis ...
Tablas de volumen para Eucalyptus camaldulensis en Nicaragua
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-07)
Overbark and underbark double-entry tables for total volume are presented for trees of Eucalyptus camaldulensis in Nicaragua as well as tables to a minimum top diameter of 5 em. Data were collected from a total of 61 trees ...
Aluminio activo en suelos derivados de cenizas volcánicas de Costa Rica y Guatemala
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-07)
Active aluminum extracted with 0.2 M ammonium oxalate, pH 30, and 4 M KOH of 51 samples of Andepts of Costa Rica and Guatemala was quantified and compared. Acid-oxalate extractable alumimum varied from 0.02 to 5.45 while ...
Determinación del nivel de inóculo primario de Pseudomonas solanacearum en suelos con infestación natural
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-10)
Several methods were tested for detecting the residual inocuhnn of Pseudomonas solanacearum, Race 1, in inceptisols at Turrialba, Costa Rica, where lire bacterium is apparently endemic Planting healthy potato tubers in ...
Utilización de isoenzimas como marcadores genéticos en Saccharum
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-07)
A study was done of the use of electrophoretic technique on polyacrylamide gel for the identification of varieties and for recognizing hybrid progenies in Saccharum. The isoenzymatic patients were characterized by peroxidases ...
El hongo Erynia neoaphidis infectando el áfido Rhodobium porosum en Venezuela
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-07)
Erynia neoaphidis is identified as parasiting the aphid Rhodobium porosurn Sanderson (Homoptera: Aphididas) found in roses (Rosa sp.) in Venezuela The fungal structure found in dead bodies of aphids corresponded to primary ...
Enterolobium cyclocarpum (Jacq) Gris, un nuevo hospedero para Ravenelia lagertheimiana Diet
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-07)
This is the first record of Ravenelia lagerheimiana Diet. on seedlings of Enterolobium cyclocarpum (Jacq.) Gris. Germinated in the field and transplanted to greenhouse conditions. Pictures and descriptions of uredosori and ...
Ciclos bioquímicos en un ecosistema forestal de los Andes Occidentales de Venezuela, 1: Inventario de las reservas orgánicas y minerales (nitrógeno, fósforo, potasio, calcio, magnesio, manganeso, hierro, aluminio, nitrato).
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1981-01)
In 13 stands of a montane forest ecoystem in the Sierra de Merida, northwestern Venezuela, the organic matter and stored elements (N, P, K, Ca, Mg, Fe, Mn, Al and Na) were measured.
The soils of the studied area are very ...
Efecto de la densidad de siembra en la distribución de materia seca en la planta de frijol (Phaseolus vulgaris L.)
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-01)
The purpose of this study was to evaluate the effect of sowing at four different densities on the production of dry weight per square meter, dry weight per plant, and relative distribution of dry weight among different ...
Efecto de la densidad de siembra sobre algunas características morfológicas y el rendimiento en frijol común (Phaseolus vulgaris L.)
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-01)
During the second semester of 1976, four varieties of common bean (Phaseolus vulgaris L.) of indetermined habit were sown at four densities; 6, 12, 14 and 48 x 104 plants/ha in a suitable site.
The varieties sown were Ica ...