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ISSN: 0718-1620    frecuency : 3   format : Electrónica

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Volume 34 Number 2 Year 2007

10 articles in this issue 

PA. Pelicano, M. Divo de Sesar, N. Zamuner, J.L. Danelón, M. Yoshida

The goal of this work was to establish an efficient protocol for vegetative propagation of Morus alba. At the same time this study aimed to evaluate the infl uence of this propagation protocol on the feeding of the larvae of Bombyx mori and crude silk pro... see more

Pags. 55 - 62  

Berta L. Schnettler, Alfonso Rebollo

The unequal distribution of commerce displaces purchase flows from the smaller centers to those with greater commercial facilities in southern Chile, thus, causing the re-routing of commercial expenditures. To determine the effect of the attraction and re... see more

Pags. 63 - 74  

B. Martín, Oscar Sosa, Sergio Montico, Gabriel Zerpa

The spatial distribution of vegetable communities in depressed landscapes from Rolling Pampa (Pampa Ondulada), Argentina is frequently heterogeneous. The objective of this work was to study a possible relationship between topography and functional and str... see more

Pags. 75 - 84  

E. Ferreira Ozela, Paulo César Stringheta, Milton Cano Chauca

The stability of anthocyanin in the extract of spinach vine fruit (Basella rubra L.) was studied in relation to degradative factors such as light, temperature and pH acting alone or in combination. In this work, the possible use of spinach vine fruit as a... see more

Pags. 85 - 90  

H. von Bernard, Virginia Vilarino, Gervasio Piñeiro

In this study, the total annual and theoretical emission of methane (CH4) was estimated for cattle subjected to three winter fattening systems used in Argentina. These were extensive, semi-intensive and intensive fattening systems. The estimated annual em... see more

Pags. 91 - 98  

Freddy Mora, Sandra Perret, Carlos Alberto Scapim

This work aimed to study the variability in flowering of five populations of Eucalyptus cladocalyx established in the administrative region of Coquimbo, northern Chile. Flowering was recorded as a binary response trait in 30-month-old trees. Then, at firs... see more

Pags. 99 - 106  

Liliana A. Abbott, Susana M. Pistorale, Olga S. Filippini

Over a two-year period, 13 genotypes of rescue grass (Bromus catharticus) were evaluated in a completely randomized design with six replications. The correlation coefficients and the path coefficient were analysed over nine characters related to seed prod... see more

Pags. 107 - 114  

E. Vinent, Odelín Fajardo

The correlations of the following variables were determined for eight cultivars of cotton (Gossypium hirsutum) obtained in Cuba: feather and raw cotton yields, boll weight, plant height and plant perimeter and the number of bolls per plant. Feather and ra... see more

Pags. 115 - 122  

A.A. Grez

Biodiversity in Fragmented Habitats in Chile: Patterns and Processes at Different Scales

Pags. 123