Showing 1 - 20 results of 120 for search 'Van der Werf, W.', query time: 0.02s Refine Results
  1. 1
    How do immigration rates affect predator/prey interactions in field crops? Predictions from simple models and an example involving the spread of aphid-borne viruses in sugar beet.
    Part of book or chapter of book biblioteca
    WUR NL


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  2. 2
    Wenn die Rüben gelb werden.
    Article/Letter to editor biblioteca
    WUR NL


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  3. 3
    Vergelingsziekte in suikerbieten.
    Article/Letter to editor biblioteca
    WUR NL


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  4. 4
    Yellowing viruses in sugarbeet : epidemiology and damage
    Doctoral thesis biblioteca
    WUR NL


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  5. 5
    Models in the epidemiology of beet yellowing viruses.
    Article in monograph or in proceedings biblioteca
    WUR NL


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  6. 6
    Produktie-oecologie: van fotosynthese naar voedselvoorziening en landgebruik.
    Part of book or chapter of book biblioteca
    WUR NL


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  7. 7
    The influence of black bean aphid, Aphis fabae Scop., and its honeydew on leaf growth and dry matter production of sugar beet.
    Article/Letter to editor biblioteca
    WUR NL


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  8. 8
    The influence of black bean aphid, Aphis fabae Scop., and its honeydew on the photosynthesis of sugar beet.
    Article/Letter to editor biblioteca
    WUR NL


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  9. 9
    Onkruidzaadpredatie : de ontbrekende schakel in de populatiedynamica van onkruiden
    Article/Letter to editor biblioteca
    WUR NL


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  10. 10
    Modelling nematode behaviour to identify the most promising traits and strategies to improve biocontrol by Heterorhabditis spp.
    Article/Letter to editor biblioteca
    WUR NL


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  11. 11
    Tripartite classification and adaptive frequency classification sampling plans for monitoring population density through time.
    Article/Letter to editor biblioteca
    WUR NL


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  12. 12
    Sampling to predict or monitor biological control.
    Part of book or chapter of book biblioteca
    WUR NL


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  13. 13
    A suite of models to support the quantitative assessment of spread in pest risk analysis
    Dataset biblioteca
    WUR NL


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  14. 14
    A suite of simple models to support quantitative assessment of spread and impact in pest risk analysis
    Article/Letter to editor biblioteca
    WUR NL


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  15. 15
    Populatiedynamica en modelbouw in relatie tot beheersing van ziekten en plagen.
    Part of book or chapter of book biblioteca
    WUR NL


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  16. 16
    Spring invasion of Heterodera schachtii in sugarbeet; a simulation study.
    Article/Letter to editor biblioteca
    WUR NL


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  17. 17
    Effect of beet yellowing viruses on light interception and light use efficiency of the sugarbeetcrop.
    Article/Letter to editor biblioteca
    WUR NL


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  18. 18
    The incubation period of beet yellowing viruses in sugar-beet under field conditions.
    Article/Letter to editor biblioteca
    WUR NL


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  19. 19
    Retrospective estimation of the date of infection with beet yellowing viruses in sugar-beet under field conditions
    Article/Letter to editor biblioteca
    WUR NL


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  20. 20
    Description, parameterisation and user guide of BACSIM. An epidemiological model of the control of beet armyworm, Spodoptera exigua, with baculoviruses
    External research report biblioteca
    WUR NL


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