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The paper presents 19 identified species of aphid parasitoids belonging to eight genera in the high altitudes of Central and South America, along with seven unidentified species. Faunal analysis indicates that most of the lowland areas are inhabited by a set of pan-tropical, cosmopolitan, and Nea...

The reasons for sluggish adoption of long-run agricultural systems are not well understood. Researchers have identified risk and uneven cash flows as two likely culprits, yet the literature has done little to investigate their impacts simultaneously. We explore the unique influence of risk, risk ...

Loss of verticality in conifers affects the normal wood development by inducing changes and chemical modifications in tree stems called compression wood. It is known that ethylene influences the response during this abnormal wood-forming process. The expression pattern of genes involved in the et...

Despite interest in studying food purchasing behaviour of ethnic minorities, there is little research on the purchasing habits of indigenous peoples. The objectives of the present study were to determine differences in food consumption habits in non-Mapuche (Chileans), and people of Mapuche origi...

Wheat (Triticum aestivum L.) genetic improvement objectives include obtaining cultivars capable of expressing their maximum potential yield and quality in diverse environments. This make necessary to know and define the environment in which a variety can express its maximum potential yield and qu...

Wheat yields in Chile have increased significantly during the last four decades as a consequence of plant improvement and better crop husbandry. Central Chile is characterised by high-yield Mediterranean conditions, where precipitation received by the crop in most years does not represent a major...