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  • Basis of strategies for chemical control of potato late blight developed by PROINPA in Bolivia.

    Author(s) : Fernández-Northcote, E. N.Navia, O.Gandarillas, A.

    Author Affiliation : Department of Plant Pathology, PROINPA, Casilla 4285, Cochabamba, Bolivia.

    Journal article : Fitopatología 2000 Vol.35 No.3 pp.137-149 ref.47

    Abstract : Potato late blight caused by Phytophthora infestansphytophthora infestansSubject Category: Organism Names
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    is one of the most important diseases of the potato crop in BoliviaboliviaSubject Category: Geographic Entities
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    and worldwide. In developed countries the disease is relatively easily controlled with fungicidesfungicidesSubject Category: Chemicals and Chemical Groups
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    , but in Bolivia as in other developing countriesdeveloping countriesSubject Category: Miscellaneous
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    , the high cost of fungicides limits their use. Control of the disease is more difficult because of the lack of knowledge of good fungicide use and strategies for chemical controlchemical controlSubject Category: Techniques, Methodologies and Equipment
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    . Field experiments on strategies for chemical control of late blight in several cropping seasons and potato late blight areas of Bolivia carried out by PROINPA between 1992 and 1997 have made it possible to identify and validate strategies for both susceptible and resistant potato cultivars. These strategies are effective, efficient, economic, and better for human health and the environment, than existing practices. By using these strategies, farmers can again grow susceptible, but locally valuable potato cultivars in areas and growing seasons regularly affected by late blight and they are also interested in using cultivars whose resistance had been considered as lost. This paper presents the technical basis of these strategies, considers the need for them, the kinds and characteristics of fungicides available in the market, the most appropriate moment for their use taking into account the host-pathogen interaction and the plant growth cycle, and the idiosyncrasy of the Bolivian Andean farmers in areas affected by late blight where the disease has created a culture of disease "evasion", enhanced farming for subsistence and increased the out migration of man.

    ISSN : 0430-6155

    Record Number : 20003035307

    Publisher : Asociación Latinoamericana de Fitopatologia (ALF)

    Location of publication : Lima

    Country of publication : Peru

    Language of text : English

    Language of summary : Spanish

    Indexing terms for this abstract:

    Organism descriptor(s) : fungifungiSubject Category: Organism Names
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    , Phytophthora infestansphytophthora infestansSubject Category: Organism Names
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    , PythiaceaepythiaceaeSubject Category: Organism Names
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    , Solanum tuberosumsolanum tuberosumSubject Category: Organism Names
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    Descriptor(s) : chemical controlchemical controlSubject Category: Techniques, Methodologies and Equipment
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    , fungal diseasesfungal diseasesSubject Category: Diseases, Disorders, and Symptoms
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    , fungicidesfungicidesSubject Category: Chemicals and Chemical Groups
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    , pathogenspathogensSubject Category: Organism Groups
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    , plant disease controlplant disease controlSubject Category: Miscellaneous
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    , plant diseasesplant diseasesSubject Category: Diseases, Disorders, and Symptoms
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    , plant pathogenic fungiplant pathogenic fungiSubject Category: Organism Groups
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    , plant pathogensplant pathogensSubject Category: Organism Groups
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    , potatoespotatoesSubject Category: Commodities and Products
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    Identifier(s) : fungistats, fungus, Peronosporomycetes, phytopathogenic fungi, phytopathogens, plant-pathogenic fungi

    Geographical Location(s) : BoliviaboliviaSubject Category: Geographic Entities
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    Broader term(s) : eukaryoteseukaryotesSubject Category: Organism Names
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    , PhytophthoraphytophthoraSubject Category: Organism Names
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    , PeronosporaceaeperonosporaceaeSubject Category: Organism Names
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    , PeronosporalesperonosporalesSubject Category: Organism Names
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    , OomycetesoomycetesSubject Category: Organism Names
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    , OomycotaoomycotaSubject Category: Organism Names
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    , ChromistachromistaSubject Category: Organism Names
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    , PythialespythialesSubject Category: Organism Names
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    , SolanumsolanumSubject Category: Organism Names
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    , SolanaceaesolanaceaeSubject Category: Organism Names
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    , SolanalessolanalesSubject Category: Organism Names
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    , eudicotseudicotsSubject Category: Organism Names
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    , angiospermsangiospermsSubject Category: Organism Names
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    , SpermatophytaspermatophytaSubject Category: Organism Names
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    , plantsplantsSubject Category: Organism Names
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    , Andean Groupandean groupSubject Category: Institutions and Organisations
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    , Developing Countriesdeveloping countriesSubject Category: Miscellaneous
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    , Latin Americalatin americaSubject Category: Geographic Entities
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    , AmericaamericaSubject Category: Geographic Entities
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    , South Americasouth americaSubject Category: Geographic Entities
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