585 research outputs found

    2009-2010 Vavilov Frankel Fellows

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    Screening for resistance to Fusarium wilt

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    Fusarium wilt of banana, caused by the fungal pathogen Fusarium oxysporum f. sp. cubense (Foc), has widely been considered as one of the most devastating diseases in agricultural history, until resistant Cavendish banana cultivars replaced susceptible ones in Central America. New outbreaks of the disease on hitherto resistant cultivars in Asia and more recently in Africa and Australia, caused by the Tropical race 4 (TR4) strain of the pathogen, have raised concerns that the disease is, once again, threatening banana production in the world. No chemical or cultural control measures exist for Foc. Once the pathogen is introduced into a production field, it can stay in the soil for many decades, thus spelling the end of production of susceptible cultivars in that field. The use of resistant cultivars is the only viable option. Of particular concern is the threat to food security in Africa, where the East African Highland bananas (EAHB) and plantains form the staple diet and only source of income to millions of Africans

    Descriptors for farmers' knowledge of plants

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    This list of descriptors has been developed by Bioversity International to provide a standard format for the gathering, storage, retrieval and exchange of farmers’ knowledge of plants. The list aims to capture key characteristics, uses and values of cultivated and wild plants as described by farmers and other people in farming communities. Many of these descriptors are not included in conventional descriptor lists. Wild and weedy plants are also covered by this list since they often play a significant role in farming communities, being useful from a socio-economic and ecological standpoint. The list is a first attempt to combine a documentation system traditionally used in controlled environments (genebanks, breeding institutes) with an approach that involves people and their knowledge ‘in the field’. We hope that this list, which is the result of many years of review of fieldwork by scientists and field practitioners, will become an important tool for integrating biology and traditional knowledge. Although the list is primarily targeted at the plant genetic resources community, to increase the range of knowledge recorded during plant collection, its widespread use by others, including communities and organizations, is encouraged. It is intended to be user-friendly and practical, whilst balancing inclusiveness and concision

    Bioversity International Financial Statements for the Years Ended December 31, 2008 and 2007: Auditor's Report

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    Independent auditor's report for Bioversity's financial statements as of December 31, 2008 and 2007 and statements of activity, statements of assets, and cash flows. Audit carried out by Deloitte & Touche, Rome, Italy

    The crowdsourcing approach

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    Bioversity International's 'Seeds for Needs' initiative works with farmers to research how agricultural biodiversity can help minimize the risks associated with climate change. The concept is simple – if farmers have better information and access to a wide range of varieties, they are more able to choose what best suits their conditions and cope with unpredictable weather. Seeds for Needs is trying to encourage this by exposing farmers to more crop varieties and increase their first-hand knowledge about different traits and options available and strengthening their seed systems and seed-saving capacity so that they always have access to planting material that fits their changing needs. This factsheet is part of a series of 6

    Strengthening the informal seed system through community seedbanks

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    A set of factsheets about our Seeds for Needs Initiative in Ethiopia. Bioversity International's 'Seeds for Needs' initiative works with farmers to research how agricultural biodiversity can help minimize the risks associated with climate change. The concept is simple – if farmers have better information and access to a wide range of varieties, they are more able to choose what best suits their conditions and cope with unpredictable weather. Seeds for Needs is trying to encourage this by exposing farmers to more crop varieties and increase their first-hand knowledge about different traits and options available and strengthening their seed systems and seed-saving capacity so that they always have access to planting material that fits their changing needs. This factsheet is part of a series of

    Key access and utilization descriptors for taro genetic resources

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    This list consists of an initial set of characterization and evaluation descriptors for taro utilization. This key set of strategic descriptors, together with passport data, will become the basis for the global accession-level information system being developed by the Bioversity-led project, Global Information on Germplasm Accessions (GIGA). It will facilitate access to and utilization of taro accessions held in genebanks, and does not preclude the addition of further descriptors, should data subsequently become available

    Descriptores del conocimiento que los agricultores tienen de las plantas

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    Esta lista de descriptores ha sido desarrollada por Bioversity International con el fin de ofrecer un formato estándar que permita recopilar, almacenar, recuperar e intercambiar información sobre el conocimiento tradicional que los agricultores tienen de las plantas. La lista pretende captar las características clave, los usos y los valores de las plantas cultivadas y silvestres, en la forma en que los describen los agricultores y demás miembros de las comunidades agrícolas. Muchos de estos descriptores no están incluidos en las listas convencionales de descriptores. En esta lista también se incluyen las plantas silvestres y arvenses, que a menudo desempeñan un papel importante en las comunidades agrícolas, por su utilidad socioeconómica y ecológica. Esta lista es el primer intento de combinar un sistema de documentación utilizado tradicionalmente en ambientes controlados (bancos de germoplasma, institutos defitomejoramiento) con un enfoque que involucra a las personas y lo que ellas conocen sobre el campo. La lista es producto de muchos años de revisión del trabajo de campo realizado por científicos y profesionales, pero esperamos que se convierta en una herramienta que integre la biología y el conocimiento tradicional. Si bien está orientada a la comunidad de recursos fitogenéticos, para ampliar la gama de conocimientos que se documentan durante la colecta de plantas, cualquier comunidad u organización la puede usar, dado su formato práctico, incluyente y conciso, y de fácil aplicación

    Operations, outreach and impact

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    Bioversity International has a standing commitment to the long-term conservation of the global banana (Musa spp.) collection held in trust at the Bioversity International Musa Germplasm Transit Centre (ITC) in Leuven, Belgium under the auspices of the Food and Agriculture Organization of the UN (FAO). Those CGIAR Genebanks that fulfil the eligibility principles and criteria, and have reached performance targets, may enter into a long-term agreement with the Global Crop Diversity Trust. The ITC will reach these eligibility targets by the end of 2016. The ITC was established in 1985 with the core objectives of: Providing long-term and sustainable conservation of Musa genetic resources; Maintaining Musa genetic diversity and related information in the public domain; Contributing to understanding Musa diversity through characterization; Providing a service for the safe movement of germplasm and related information; Developing and transferring ex situ conservation technologie

    Bioversity International - Seeds for Needs

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    A 2-page overview brochure of the Seeds for Needs initiative led by Bioversity International to help farmers adapt better to climate change through the use of agricultural biodiversity
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