Nineteen microsatellite markers were used to fingerprint a set of 19 potato landraces from the island of La Palma (Canary Islands). These landraces represent relicts of early introductions from South America, although most are commonly cultivated by local farmers. The SSR primers detected 62 polymorphisms, 13 of which were present in all landraces. Several accession- and group-specific markers were detected. Jaccard similarity coefficients were estimated from the molecular data and UPGMA cluster analysis was performed. Some cultivars with related common names clustered together.
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Library ResourcePolicy Papers & BriefsJune, 2007Spain, Americas, South America
Library ResourceJournal Articles & BooksDecember, 2007United States of America, Japan, China, India, Russia
Much is reported about the destruction of natural forests and the consequences for global warming, while on the other hand, exotic plantations in some regions struggle to gain public acceptance. The earth's population is projected to rise to around 9 billion by 2050, with a concomitant increase in demand for forest products. Inevitably, forests in general, and managed forest in particular, will be called on to provide an ever-increasing proportion of local supplies and the international wood trade.
Library ResourceConference Papers & ReportsDecember, 2007Canada, United States of America, Europe
This study develops a dynamic multi-output model of farmers crop allocation decisions that allows estimation of both short-run and long-run adjustments to a wide array of economic incentives. The method can be used to inform decision makers on a number of issues including agricultural policy reform and environmental regulation. The model allows estimation of dynamic effects relating to price expectations adjustment, investment lags, and crop rotation constraints.
Library ResourceConference Papers & ReportsDecember, 2007Latvia, United States of America
The current support policy is increasing gaps in land management intensity among different regions of the country. The support policy for agricultural and rural development does not deal with solutions for land abandonment or environmental objectives, because the abandonment is becoming a hidden, environmental policy and rural development process, which is more expensive for society. Some alternative approaches and principles for designing a new agricultural land policy for Latvia could decrease the policy costs and make land management more targeted and acceptable for society.
Library ResourceReports & ResearchMay, 2007Algeria, Sudan, Egypt, Benin, Mauritania, Mali, Burkina Faso, China, Eswatini, Congo, Guinea, Niger, Cameroon, Morocco, South Africa, Lesotho, Madagascar, Zambia, Brazil, Tunisia, Senegal, Chad, Norway, Africa
Library ResourceInstitutional & promotional materialsDecember, 2007Canada, United States of America, Central America, Latin America and the Caribbean, Asia, Europe
Este documento es un summary del Informe sobre el desarrollo mundial 2008, realizado por el personal del Banco Internacional de Reconstrucción y Fomento/Banco Mundial. La agricultura es un instrumento de desarrollo fundamental para alcanzar el objetivo de desarrollo del milenio de reducir la proporción de personas que padecen hambre y viven en la extrema pobreza a la mitad para 2015. Éste es el mensaje general del Informe sobre el desarrollo mundial de este año, la 30a entrega de esta publicación.