Results 41 to 50 of about 51,400 (159)
Potato (Solanum tuberosum L.) cultivation is an important agricultural activity in the Andean region. The late blight Phytophthora infestans (Mont.) de Bary, considered one of the limiting diseases in production, represents a threat to food security and ...
David Rodriguez +2 more
doaj +1 more source
Resistência ao esverdeamento de clones e cultivares de batata do programa de melhoramento da Embrapa Hortaliças. [PDF]
Neste trabalho visou-se avaliar a resistência de genótipos de batata ao esverdeamento dos tubérculos oriundos do programa de melhoramento da Embrapa Hortaliaças, Brasília,DF.Resumo ...
ESCHEMBACK, V. +2 more
core
Abstract This paper explores selective aspects of the historical processes of organization of the kichwa peasantry in the Andes of Ecuador. Based on the analysis of two representative cases of confrontation between peasants and landowners over access to land in the province of Chimborazo, it discusses the relevance of the concept of “gamonalismo” as ...
Víctor Bretón
wiley +1 more source
The development of unwanted deposits in any water distribution system is unavoidable under standard conditions. Knowing the composition of such deposits will help to establish the causes of deposit formation and consequently to be able to keep water ...
Félix Echeverría +5 more
doaj
<!-- @page { margin: 2cm } --> <p class="western" align="justify"><span style="font-weight: normal;">The aim of this work was to know yield characteristics of Mimoso, Caramujo, Roxo, Pezão and Florida, yam clones under environmental ...
Néstor Antônio Heredia Zárate +3 more
doaj +1 more source
Abstract This study provides a complete, updated and illustrated inventory, as well as a comprehensive study, of the metatarsals and foot phalanges (forefoot) recovered from the Middle Pleistocene site of Sima de los Huesos (SH, Atapuerca, Spain) in comparison to other Homo comparative samples, both extant and fossils.
Adrián Pablos, Juan Luis Arsuaga
wiley +1 more source
Resistência de genótipos de batata a Phthorimaea operculella (Zeller)
A traça Phthorimaea operculella (Zeller) é considerada atualmente uma das principais pragas da batata. O uso de resistência varietal para controle desse inseto é uma alternativa promissora, mas que ainda precisa ser melhor pesquisada.
Maria Teresa do Rêgo Lopes +1 more
doaj
Contexto: Las pérdidas de tubérculos de ñame durante la cosecha y su almacenamiento pueden ser significativas, sino existe un manejo adecuado de estas etapas.
Misterbino Borges García +2 more
doaj +1 more source
Harvest time effect on horticultural quality of topinambur (Helianthus tuberosus L.) kept in the soil or in cold storage [PDF]
Existen muy pocos antecedentes sobre la conservación de tubérculos de topinambur, así como de las variaciones de calidad que sufre el producto. A través de este trabajo se buscó generar información sobre: a) los efectos de la fecha de cosecha y la ...
Alberto, Marcelo +2 more
core
The Sima de los Huesos thorax and lumbar spine: Selected traits and state‐of‐the‐art
Abstract Information on the evolution of the thorax and lumbar spine in the genus Homo is hampered by a limited fossil record due to the inherent fragility of vertebrae and ribs. Neandertals show significant metric and morphological differences in these two anatomical regions, when compared to Homo sapiens.
Asier Gómez‐Olivencia +1 more
wiley +1 more source

