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ISSN: 0718-1620    frecuency : 3   format : Electrónica

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Volume 41 Number 1 Year 2014

13 articles in this issue 

Maricela Pablo-Pérez, Luz del C. Lagunes-Espinoza, Jesús Ramos-Juárez, Javier López-Upton, Emilio M. Aranda-Ibáñez, Luis Vargas-Villamil

Ruminal degradation of dry matter (DMD) and crude protein (CPD) for aerial biomass at the flowering stage and for the seeds of L. campestris, L. exaltatus, L. hintonii and L. montanus was determined using the nylon bag technique with two fistulated steers... see more

Pags. 5 - 12  

Pedro H. Toledo, Ricardo Suazo, Maria T. Viana

In this study, we conducted an experiment to evaluate the overall effect of novel diets on the growth, metamorphosis and survival of tadpoles of the endangered giant Chilean frog Calyptocephalella gayi (previously known as Caudiverbera caudiverbera) to ev... see more

Pags. 13 - 20  

Guillaume Debaene, Dorota Pikula, Jacek Niedzwiecki

The objective of this research was to investigate the effects of a long-term experiment on soil spectral properties and to develop prediction models of these properties (soil organic carbon (SOC), N, pH, Hh, P2O5, K2O, Ca, Mg, K, and Na content) from text... see more

Pags. 21 - 32  

Luciana P.C. Guedes, Miguel A. Uribe-Opazo, Paulo J. Ribeiro Junior

The spatial variability of structures in regionalized variables are defined with the aid of geostatistical techniques, which facilitate the estimation of values for these variables in unsampled localizations and generate thematic maps to be used in decisi... see more

Pags. 33 - 48  

Carolina Fredes, Gloria Montenegro, Juan Pablo Zoffoli, Francisca Santander, Paz Robert

In the last 10 years, interest in research on polyphenol-rich fruit species has increased due to the potential health benefits of these species, mainly attributed to their high anthocyanin content and antioxidant activity. Six polyphenol-rich fruit specie... see more

Pags. 49 - 60  

Erwin Yañez-Mansilla, Paula Cartes, Marjorie Reyes-Díaz, Alejandra Ribera-Fonseca, Miren Alberdi

Nitrogen (N) is an essential nutrient for photosynthesis and may influence phenolic compound synthesis in higher plants. The effect of different amounts of N (0 to 38 mM) provided on a short-term (4 d) basis on the photosynthetic and antioxidant performan... see more

Pags. 61 - 70  

Marlene Ayala, Pilar Bañados, Mariana Thielemann, Román Toro

In sweet cherries, accumulated nitrogen (N) stores from the previous fall support early spring growth. To complement the N supply in the soil, Chilean growers use foliar urea applications after harvest. Information on the effectiveness of foliar N applica... see more

Pags. 71 - 80  

Alfonso Aguilera, Rodrigo Neculmán, Ramón Rebolledo

In La Araucanía, the filbert aphid Myzocallis coryli (Goeze) is a pest that can cause various types of damage to hazelnut (Corylus avellana L.) including reduction in nut size and nut emptiness. M. coryli can also leave hazel leaves susceptible to the fun... see more

Pags. 81 - 88  

Horacio E. Bown, Juan-Pablo Fuentes, Jorge F. Perez-Quezada, Nicolás Franck

Sclerophyllous shrubs and forests are predominant in semiarid Central Chile and have a long history of degradation by fire, cultivation, firewood extraction and grazing. The aim of this study was to compare the amount and environmental drivers of soil res... see more

Pags. 89 - 106  

Pablo Lacoste, Diego Jiménez, Paulette Aguilera, Bibiana Rendón, Amalia Castro, Natalia Soto

This paper analyzes the historical antecedents of pisco (grape brandy) in Chile from unpublished original documents of the Archivo Nacional (National Archives) from the end of the 17th century to the beginning of the 18th century. This work also shows tha... see more

Pags. 107 - 114  

Einar Vargas-Bello-Pérez, Raúl R. Vera, Claudio Aguilar, Rodrigo Lira, Iván Peña, Franco. A. Tello

The aim of this trial was to evaluate the effect of dietary supplementation of extruded linseed on the milk and cheese fatty acid (FA) profiles of ewes under extensive grazing conditions. Over 26 days, a group of nine lactating ewes (Latxa × Milchaf × Cor... see more

Pags. 115 - 122  

Rosa B. López-Ramírez, Héctor F. Magaña-Sevilla, Roberto Zamora-Bustillos, Julio P. Ramón-Ugalde, Daniel González-Mendoza

The FecB mutation in the BMPR1B gene and the G6, G7 and G8 mutations in the GDF9 gene have been documented in Booroola Merino sheep breeds. These mutations have all been identified in several ovine breeds, such as Belclare, Cambridge. Blackbelly hairy she... see more

Pags. 123 - 128  

Francisco M.F. Corlett, Cassyo de A. Rufino, Jucilayne F. Vieira, Lizandro C. Tavares, Lilian V.M. Tunes, Antonio C.S.A. Barros

Seed coating is a process in which a thin and uniform polymer layer is deposited on the surface of a seed. The objective of this study was to evaluate the vigor of barley seed coated with a commercial polymer and various combinations of calcium, silicon a... see more

Pags. 129 - 136