13 articles in this issue
Lorena Pizarro, Claudia Stange
Carotenoids are colored terpenes synthesized in plants, algae and some yeasts and bacteria. In plants and algae, these lipophilic molecules exert functional roles in hormone synthesis, photosynthesis, photomorphogenesis and photop... see more
Mónica Gandarillas, Fernando Bas
The prevalence of obesity has increased dramatically over the last 20 years. Moreover, morbid obese patients routinely suffer from serious medical problems, especially cardiovascular disease. Medical therapy for morbid obesity offers no substantial lon... see more
Diana Abril, Alejandro Abril
Ethanol is the liquid combustible that has become the most promising alternative substitute for gasoline because of the experience gained in its production, the possibility of mixing it with gasoline in different proportions, the possibility of using t... see more
N. M. Lopera-Barrero
Several ecological and climatic factors, especially those related to human activities, have been contributing to the disappearance of natural populations of piracanjuba (Brycon orbignyanus). Due to the importance of these fi sh to the ecosystems in whi... see more
Daniel Cozzolino, Ernesto Restaino, Alejandro La Manna, Enrique Fernandez, Alberto Fassio
Near infrared refl ectance (NIR) spectroscopy was used in combination with chemometrics to discriminate between fi shmeal, meat meal and soya meal samples. Samples were obtained from commercial feed mills and scanned in the NIR region (1100 - 2500 nm) ... see more
Jaime Pizarro-Araya, Jorge Cepeda-Pizarro, Juan E. Barriga, Andrés Bodini
Current climate conditions in north-central Chile (25°57´-32°13’S, 71°43´-68°16´W) are characterized by increasing temperatures and decreasing rainfall. Global warming is expected to alter the hydrology and ecoclimatic characteristics of north-central ... see more
Basilio Carrasco, Maurice Garnier, Lafayette Eaton, Rafael Guevara, Margarita Carú
Random Amplifi ed Polymorphic DNA (RAPD) markers were used to assess the genetic diversity of 587 individuals, belonging to 22 populations of Nothofagus nervosa that were distributed through the Coastal (38°S to 41°S) and Andes Mountains in Central- So... see more
Berta Schnettler, Danilo Ruiz, Oriana Sepúlveda, José Sepúlveda, Marianela Denegri
Considering the increase in imports of forestry, farming and livestock products to Chile, the existence of different consumer segments was evaluated according to the relative importance of origin in decisions to purchase rice in Talca and Temuco in cen... see more
Laura Böhm, Nolberto Arismendi, Luigi Ciampi
The biological control of the root-knot nematode, Meloidogyne hapla, was evaluated through the addition of organic amendments of dry and chopped leaves of Buddleja globosa, Drymis winteri, Eucalyptus globulus, Gevuina avellana, Laurelia sempervirens, L... see more
Pamela Morales, Flavia Schiappacasse, Patricio Peñailillo, Paola Yañez
Bulb weight or size is one of the critical factors affecting the vegetative growth and fl owering of bulbous species. This study assessed the effect of bulb weight on the growth and fl owering of Herbertia lahue subsp. lahue. This bulbous species, comm... see more
Patricio C. Parodi, María de los Angeles Gaju
The objective of this experiment was to evaluate the male sterilizing activity induced by the chemical hybridizing agent (CHA) clofencet, on four wheat varieties: two Triticum aestivum cultivars, 'Pia' and 'Claudia', and two Triticum turgidum var. duru... see more
Víctor Tello, Robinson Vargas, Jaime Araya, Antonieta Cardemil
The postembryonic development, consumption and life table parameters of Cydnodromus picanus Ragusa and Phytoseiulus persimilis (Athias-Henriot) were studied at 29.44 ± 1.47 °C and 42.35 ± 5.01% of RH with a photoperiod of 14:10 h (L:D) in order to evalua... see more
Jorge D. Mantecón
During the 2005 and 2006 growing seasons, two field trials were conducted at the INTA Balcarce Experimental Station (Argentina) to study the control of potato early blight (Alternaria solani). Uncut virus-free seed tubers of potato (Solanum tuberosum) ... see more