Faculty of Agronomy Journal
University of Zulia

Maracaibo, diciembre 2011. Vol. 28, Supl. 1, págs. 1-721


Crop production

Morphological description of fruits and seeds of the Criollo Porcelana cocoa (Theobroma cacao L.) in south of Maracaibo Lake
I. Chacón de Ramírez, C. Ramis y C. Gómez

Water-based drilling cutting effects on soybean growth
C.J. Rivero, J. Mayz y M.C. Sánchez

The cycle of knowledge in corn (Zea mays L.) production
M. Martínez, C. Rodríguez, J. Fuentes, A. Morris, M. Gil, J. Velasco y H. Morales

Effect of seed scarification and substrate on growth of Agave salmiana Seedlings
A.B. Sánchez-Urdaneta, I. Ortega, I. Cano, A. González, C.B. Peña-Valdivia, G. Rivero, G. Sthormes, D. Pacheco

Effect of substrate water potential on maize (Zea mays L.) germination
A.B. Sánchez-Urdaneta, C.B. Colmenares, C.B. Peña-Valdivia, A. Marrugo y M. Urdaneta

Morphoanatomic changes in shoot apex of CIEN BTA-03 banana and its parental "Williams" under in vitro conditions
M. Ramírez-Villalobos, H. Lindorf y E. de García

Interference of Tomato Venezuela virus (ToVEV) transmission by Bemisia tabaci with imidacloprid
D. Chirinos, M. Paradiso, R. Dávila, F. Geraud-Pouey 

Nitrogenous compounds and fermentation characteristics of King Grass-(Leucaena leucocephala) silage mixing
T. Clavero y R. Razz

Effect of two cytokinins and two physical states of the culture medium on in vitro multiplication of plantain `Giant Harton' (Musa AAB)
S. Florio y N. Mogollón

Effect of substrate type in the acclimatization of plantlets in vitro of plantain `Giant Harton' (Musa AAB)
S. Florio y N. Mogollón

Hemiparasite plants on mangrove species of "La Palmita" swamp, Zulia state, Venezuela
A. Vera, M. Martínez y W. Nava

Preliminary study of "La Palmita" swamp gramineae, Zulia state, Venezuela
A. Vera, S. Nozawa, Á. Villarreal y M. Martínez

Preliminary study of Psidium guajava L. and Psidium guineense L. foliar anatomical characteristics
G. Rivero-Maldonado, D. Pacheco, A. Sánchez, M. Quirós, E. Suárez, J. Fuenmayor y G. Sthormes

Morpho-anatomy of aloe (Aloe vera L. Burm.f.) vitroplants
A.B. Sánchez-Urdaneta, E. Suárez-Callejas

Uptake of AG3, TDZ sprayed and urea in cladodes of prickly pear (Opuntia ficus-indica (L.) Miller)
A.B. Sánchez-Urdaneta y C.B. Peña-Valdivia  

Influence of storage temperature on weight loss and sprouting percentage in potato
W. Materano, J. Zambrano, M. Maffei, A. Valera, I. Quintero y C. Torres

The importance of Ingas as floristic and economic element in Zulia State, Venezuela
J. Soto, D. Pacheco, O. Zambrano y J. Ortega

Contribution to the study of the Psidium (Myrtaceae) genus in Venezuela
D. Pacheco, G. Rivero, J. Fuenmayor, A. Sánchez, M. Quirós, J. Ortega y G. Sthormes

Effect of fertilizer and AG3 on the physical quality of table grapes
L. Orozco, F. Méndez, W. Linares T. Urdaneta, A. Gomez y J. Martínez

Palms from western-center region of Venezuela: diversity and threats in relation to the ornamental potential
N. Maciel y A. Mendoza

Diagnostic of plant-parasitic nematodes in plantain (Musa AAB) cv. Hartón at the southern of Maracaibo Lake
J. Labarca, A.M. Casassa-Padrón, M. Pineda, D. Ulacio, M. Casanova y L. Sandoval

Effect of the fermentation on the content of purines in Creole and hybrid cocoa (Theobroma cocoa L.) in the south of Maracaibo's lake
E. Portillo, D. Fuenmayor, B. Rodríguez y R. Diaz

Effect of fertilization on growth of Bixa orellana L. in nursery stage
Y. Him, J. Rincón, N. Hernández de Bernal, E. Torrealba, M.L. de Pire, J.G. Díaz y Z. Rodríguez  

Effect of irrigation and plastic cover on fruit production in muskmelon (Cucumis melo L.)
L. Gruber, J. Lugo, J. Aguilar, H. Alejua, J. Lorbes y Z. Rodríguez

Effects of substrate on hybrids of pepper in hydroponic system
J. Lugo, L. Vivas, L. Gruber y Z. Rodríguez

Effect to the nitrogenous fertilization on the growth in nursery of Cocuy (Agave cocui Trelease)
J.G. Díaz, G. Rojas, Y. Him de F., N. Hernández de B., E. Torrealba y Z. Rodríguez

Ultrasonic extraction of diazinon, chlorpyrifos, and parathion-ethyl in soil samples
J. Raga, G. Ettiene, D. Medina, E. Perez

Physical and chemical characteristics of guava fruits and their relation with stylar end rot disease
L. Martínez Ferrer, M. Marín Larreal, C. Fernández Bravo y D.T. Chirinos Torres

Growth of four tomato (Solanum lycopersicon L.) accessions infected with Tomato Venezuela Virus (ToVEV)
C. Fernández, J. Chirinos, J. Mejías, A. Gómez., F. Geraud-Pouey, D.T. Chirinos y G. Romay

Copper and cadmium extracting capacity determination of three vegetable species in a polluted soil
J. Díaz, I. Chirinos y M. Montiel

Effect of auxins on rooting of cuttings and air layers of red comb (Callistemon speciosus)
D. Pérez, N. Hernández Y. Him, J.G. Díaz y Z. Rodríguez 

Seasonal fluctuations of Brevipalpus phoenicis (Geijskes), phytoseiid and stigmeid mites on Psidium guajava L.
M. Quirós de G., C. Lofego, N. Poleo, Y. Petit, I. Dorado, O. Aponte, J. Ortega y C. González

Effect of Zn on the germination and rooting of sugarcane (Saccharum sp.)
J. Gebaüer, O. Jiménez, J. Cruz y J. Croce

Methods salinity management of cattle dung for vermicomposting with the red worm (Eisenia andrei)
J. Hernández-A., L. Chacín, J. Avila, N. El Khatib, I. Chirinos y B. Bracho

Physicochemical characterization of sugar apple fruit (Annona squamosa l.) under gravity irrigation conditions
O. Hernández, I. Urdaneta, M. Morón, C. Hernández, J. Chacín, R. Guerrero, y C. Clamens  

Seed germination and seedling growth of three corn (Zea mays L.) hybrids under osmotic solutions. III. Glucose
J.R. Méndez Natera, F.T. Ybarra Pérez y J.F. Merazo Pinto

Critical reference values in soils and leaves for "Valencia" orange (Citrus sinensis (L.) Osbeck)
P. Rodríguez V. y C. Arizaleta M.

Monitoring and management of Liothrips similis Bagnall in Psidium guajava L. Mara, Zulia, Venezuela
M. Quirós de G., Y. Petit, I. Dorado, N. Poleo, J. Camacho, A. Sánchez, J. Ortega, C. Colmenares, C. González y E. Suárez

Medicinal plants at the Herbarium of University of Zulia "Omar Zambrano" (HERZU)
J. Fuenmayor, D. Pacheco, O. Zambrano, G. Sthormes, J. Soto y M. Guzmán

Seed germination and seedling growth of three corn (Zea mays L.) hybrids under osmotic solutions. I. NaCl
J.R. Méndez Natera, F.T. Ybarra Pérez y J.F. Merazo Pinto

Seed germination and seedling growth of three corn (Zea mays L.) hybrids under osmotic solutions. II. Na2SO4
J.R. Méndez Natera, F.T. Ybarra Pérez y J.F. Merazo Pinto

In vitro establishment of white cocoyam (Xanthosoma sagittifolium (L.) Schott)
J. Vilchez, N. Albany, L. Martínez, M. Molina, C. Alvarez, E. Leal y L. Bermúdez

Effect of auxins on propagation through air layering of guava tolerant to nematodes of Meloidogyne spp.
J. Vilchez, N. Albany, L. Martinez, A. María Casassa-Padrón, C. González, M. Marin

Animal production

Symbiotic effectiveness of rhizobium isolated from savannah soils in cowpea Vigna unguiculata (L.) Walp. cv. C1-12
J. Mayz y C. Rivero

Field behavior of potato clones resistant to late blight in Trujillo state, Venezuela
M. Maffei, I. Quintero, J. Zambrano, W. Materano, A. Valera, C. Torres y B. Camacho

Effect of oil palm and pastures cultivation on some soil properties
A. González-Pedraza, J. Atencio-Pulgar y B. García  

Microbial activity in soils cultivated with oil palm, cocoa, pasture and natural forest
A. González-Pedraza, E. Piñero-Calixtro, y J. Atencio-Pulgar  

Sexual behavior of "Criollo Limonero" bulls
N. Madrid-Bury, C. González-Stagnaro, J.A. Aranguren-Méndez, F. Yanez, A. Quintero-Moreno

Production system in creole cattle on Santa Maria Ecatepec Oaxaca
J. Cruz Matías y G. Fuentes-Mascorro

Productive systems of dual purpose cattle in Sucre municipality, Zulia state
B. González, M.E. Peña, F. Urdaneta, J. Velasco y Á. Casanova  

Evaluation of pre-germinative treatments to stimulate emergence in four forage trees
N. Hernández de Bernal, C. Tizado, Y. Him de Freites, J.G. Díaz, E. Torrealba y Z. Rodríguez

Pregerminative effect of treatments on the seeds emergency of annatto (Bixa orellana L.)
Y. Him de Freites, J. Rincón, N. Hernández de B., E. Torrealba, J.G. Díaz y Z. Rodríguez

Characterization of sexual dimorphism in creole limonero cattle using body measurements
Z. Chirinos,  G. Contreras, S. Zambrano, E. Molero y A. Paéz

Productive parameters in broiler fed with pigeon pea grain meal during growth phas
J. Trómpiz, H. Rincón, N. Fernández, G. González, A. Higuera y C. Colmenares

Descriptive aspects of seeds, seedling emergence and growing of Yacure (Pithecellobium dulce and Oak (Platymiscium diadelphum)
S. Parra, M.E. Sanabria y N. Maciel

Conservation and reproductive creole pig center
G. Fuentes-Mascorro M. García Hernández y A. Altamirano Zárate  

Food technology

Use of edible coatings and low temperature for keeping the quality on storage of mango `Bocado' fruit
A. Valera, W. Materano, M. Maffei, I. Quintero y J. Zambrano

Measurement of the quality in osmodehydrated papaya in four states of maturity by means of sensory evaluation and some physico-chemical parameters
W. Materano, J. Zambrano, A. Valera, M. Maffei, C. Torres e I. Quintero

Chemical composition of Amaranthus dubius:an alternative for human and animal feeding
K. Montero-Quintero, R. Moreno-Rojas, E. Molina y A. B. Sánchez-Urdaneta

Effect of oregano (Origanum vulgare L.) extracts before oxidation in edible vegetable oil
D.R. Belén-Camacho, I. López, C. Sojo, O. Linares, C. Medina-Martínez, D. García-Pantaleón y M.J. Moreno-Álvarez

Effect of three coatings on some quality aspects of mango fruit `Bocado' during storage
J. Zambrano, M. Maffei, W. Materano, I. Quintero y A. Valera

Influence conditions of the post-harvest treatment on the temperature and acidity in beans of Criollo cocoa (Theobroma cacao L.)
E. Portillo, M. Labarca, L. Grazziani, E. Cros, S. Assemat, F. Davrieux, R. Boulager  

Effect of the storage conditions on ascorbic acid content in broccoli florets
J. Zambrano, M. Maffei, A. Valera, W. Materano y I. Quintero

Physicochemical characterization of bone plum fruit (Spondias purpurea L.) in Mara Municipality
R. Guerrero, M. Manzanilla, C. Hernández, J. Chacín y C. Clamens  

Food technology

Analysis of economic, technological and environmental policies focussed to the sustainable rural development
L. Bustillo-García, J. Martínez-Dávila, F. Gallardo-López, F. Osorio-Acosta y L.M. Bustillos

Typology of the Quibor valley of Venezuelan farmers, according their type of land used
A. Delgado, M. Henríquez, E. Guerra, D. Torres, V. Rodríguez y O. Rodríguez

Proposal of strategic actions of marketing for cocoa producers in the south Maracaibo's lake
E. Fernández, E. Segovia, E. Portillo, J. Pérez