PhD theses

All Wageningen University PhD theses

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    Wageningen PhD theses


    This database contains bibliographic descriptions of all Wageningen University PhD theses from 1920 onwards. It is updated on a daily basis by WUR Library.

    Author abstracts and/or summaries are added to all descriptions. A link to the full text dissertation is added to the bibliographic description. In a few cases, no electronic version is available, mostly because of copyright issues.

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    mail icon WUR Library, 9 july 2012

     

Record number 1660503
Title Diversity and ecology of the potato : the use of spatial analysis in crop science
show extra info.
Robert J. Hijmans
Author(s) Hijmans, R.J.
Publisher [S.l. : s.n.]
Publication year 2002
Description 202 p
Description 1 online resource (202 p)
Notes Met lit. opg. - Met samenvatting in het Engels en het Nederlandsshow all notes
Proefschrift Wageningen
ISBN 9058087190
Tutors Fresco, Prof. Dr. Ir. L.O. ; Kropff, Prof. Dr. M.J.
Graduation date 2002-09-24
Dissertation no. 3262
Author abstract show abstract

 

Spatial variation is a fundamental characteristic of agriculture, but crop scientists have largely ignored it, particularly at levels beyond the field scale. This thesis provides examples of analysis of spatial variation over larger areas. It contributes to our knowledge of the potato crop and its wild relatives, and to methodological progress in the use of geographic information in crop science. Part I deals with management of genetic resources. Methods that can be used to improve data quality in biological collection databases, and to assess the presence of spatial biases are discussed. The spatial distribution of wild potato species is analyzed, and the value of geographic, ecological, and taxonomic factors to predict the presence of frost tolerance in wild potatoes is studied. Part II deals with aspects of agro-ecological zoning approaches for research management. First, gobal potato distribution is described and analyzed. This is followed by a constraint-specific agro-ecological zoning study for potato late blight; a study on the potential impact of frost resistant potatoes; and an assessment of the effect of climate change on global potato production. In the final chapter, research needs and challenges to the further use of GIS in crop science are discussed.

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Keyword(s) solanum tuberosum / potatoes / spatial variation / zoning / plant genetic resources / gene banks / phytophthora infestans / geographical information systems / cold tolerance / simulation models / climatic change / crop production / agroecology
Categories Potatoes / Geographical Information Systems
Publication type PhD thesis
Language English
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