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Research Output 1983 2020

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Abstract
2016
crops
livestock
sustainable agricultural intensification
food crops
Sub-Saharan Africa
2015

Management of blackleg and slow wilt in seed potatoes: a supply chain perspective

Breukers, M. L. H., Ge, L., Hennen, W. H. G. J., van der Werf, W. & van der Wolf, J. M., 2015, p. 95. 1 p.

Research output: Contribution to conferenceAbstractAcademic

cabbage
parasitoids
cultivars
Pieris brassicae
host seeking
2012

Explaining the yield advantage of wheat-maize intercropping from plant responses to available space using functional-structural plant modelling

Zhu, J., Vos, J., van der Werf, W. & Evers, J. B., 2012, 12th Congress of the European Society for Agronomy, Helsinki, 20-24 August 2012. Helsinki: European Society for Agronomy, p. 12-13

Research output: Chapter in Book/Report/Conference proceedingAbstract

2010

Modelling and valuating the effects of landscape management on the ecosystem service of biological control - a spatial dynamic perspective

van der Werf, W., 2010, IOBC/WPRS Landscape management for functional biodiversity, Cambridge, UK, 29 June - 1 July 2010. Holland, J., van Helden, M., Rossing, W. A. H., Poehling, M., van der Werf, W., Ferguson, A. & Lavigne, C. (eds.). Darmstadt, Germany: IOBC/WPRS, Vol. 56. p. 121-124

Research output: Chapter in Book/Report/Conference proceedingAbstract

ecosystem service
biological control
population dynamics
colonization
crop pest
2009

Mixed infections in wild type and fast acting recombinant variants in insect-baculovirus pathosystems

Georgievska, L., van der Werf, W., Zwart, M. P., Hoover, K., Cory, J. S. & Vlak, J. M., 2009, Abstract Book of the 42nd Annual Meeting of the Society for Invertebrate Pathology, Park City, Utah, 16 - 20 August, 2009. Park City, Utah, p. 76

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

Baculoviridae
mixed infection
Helicoverpa armigera
Spodoptera exigua multiple nucleopolyhedrovirus
insects
2008

Deletion of the egt reduces within-host competitive fitness

Zwart, M. P., van der Werf, W., van Oers, M. M., Hemerik, L., van Lent, J. W. M., de Visser, A. J. G. M., Vlak, J. M. & Cory, J. C., 2008, Abstract book of the 41st Annual Meeting of the Society for Invertebrate Pathology and 9th International Conference on Bacillus thuringiensis, Warwick, United Kingdom, 3 - 7 August, 2008. Warwick, p. 75-75

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

Open Access

Model for integrating internal and external drivers for dispersal and distribution pattern in carabid beetles

Allema, A. B., Rossing, W. A. H., van der Werf, W., Bukovinszky, T., Steingröver, E. G., van Bruggen, A. H. C., van Lenteren, J. C. & Booij, K., 2008, Proceedings of the 3rd WG meeting Landscape Management for Functional Biodiversity. Rossing, W. A. H., Poehling, H-M. & Van Helden, M. (eds.). Montfavet Cedex: IOBC/WPRS, Vol. 34. p. 5-8

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

Open Access
ecosystem services
Pterostichus cupreus
Pterostichus melanarius
Coleoptera
plant pests
2007

Simulation of potato late blight in the Netherlands: Validation of the BLIGHTSPACE model reveals dichotomy in the epidemiological effects of resistance components

Skelsey, P., Kessel, G. J. T., Rossing, W. A. H. & van der Werf, W., 2007, Abstracts of presentations. APS Annual Meeting & APS.SON Joint Meeting 2007, San Diego, California, USA, 28 juli - 1 augustus 2007. APS Press, Vol. 97. p. S109

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

model validation
Phytophthora infestans
Netherlands
field experimentation
potatoes
2006

Competition and transmission rate of wild type and recombinant HaSNPV in Helicoverpa armigera larvae

Georgievska, L., Cory, J. S., van der Werf, W. & Vlak, J. M., 2006, Abstract Book of the 9th International Colloquium on Invertebrate Pathology and Microbial Control. Wuhan, p. 115-115 1 p.

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

Costs and benefits of controlling brown rot: a bio-economic modelling approach

Breukers, A., van der Werf, W., Mourits, M. C. M. & Oude Lansink, A. G. J. M., 2006.

Research output: Contribution to conferenceAbstractAcademic

Towards an optimal brown rot control policy: development of a bio-economic model.

Breukers, A., van der Werf, W., Mourits, M. C. M. & Oude Lansink, A. G. J. M., 2006, Abstracts of the 4th International Bacterial Wilt Symposium. York, UK, p. 35 109 p.

Research output: Chapter in Book/Report/Conference proceedingAbstract

Use of recombinant HaSNPV as potential biological control in the field

Georgievska, L., Cory, J. S. & van der Werf, W., 2006, Book of Abstracts, 70th Anniversary of Plant Protection Institute and Annual Balkan Week of Plant Health, May 28-31, Kostinbrod, Bulgaria. Kostinbrod, Bulgaria, p. 59

Research output: Chapter in Book/Report/Conference proceedingAbstract

2005

Beslissingsondersteuning voor de bestrijding van Phytophthora infestans: verbeterde kwantificatie van infectie-risico

Skelsey, P., Rossing, W. A. H., Kessel, G. J. T., Jacobs, A. F. M., Hofschreuder, P. & van der Werf, W., 2005, In : Gewasbescherming. 36, 6, p. 274

Research output: Contribution to journalAbstractAcademic

Open Access

Influence of Host Diversity on Development of Epidemics: An Evaluation and Elaboration of Mixture Theory

Skelsey, P., Rossing, W. A. H., Kessel, G. J. T., Powell, J. & van der Werf, W., 2005, Proceedings of the 2005 APS annual meeting, Austin, Texas, July 30 - August 3, 2005. Austin, Texas - USA: The American Phytopathological Society, Vol. 95. p. S98 (1)

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

Open Access
genotype mixtures
genotype
Phytophthora infestans
spore dispersal
seeds

Model Analysis of the Effect of Initial Inoculum Density on Potato Late Blight Epidemics and Potato Yield: Implications for Modeling Atmospheric Transport of Spores

Skelsey, P., Rossing, W. A. H., Kessel, G. J. T. & van der Werf, W., 2005, Proceedings of the 2005 APS annual meeting, Austin, Texas, July 30 - August 3,2005. Austin, Texas - USA: The American Phytopathological Society, Vol. 95. p. S98 (2)

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

Open Access
inoculum density
Phytophthora infestans
spores
potatoes
crops

Modeling spatial characteristics in the biological control of fungi at leaf scale: competitive substrate colonization by Botrytis cinerea and the saprophytic antagonist Ulocladium atrum.

Kessel, G. J. T., Köhl, J., Powell, J. A., Rabbinge, R. & van der Werf, W., 2005, Proceedings of the 2005 APS annual meeting, Austin, Texas, July 30 - August 3, 2005. Austin, Texas - USA: The American Phytopathological Society, Vol. 95. p. S52-S53

Research output: Chapter in Book/Report/Conference proceedingAbstract

Open Access
2004

Competitive interaction between wild type and recombinant Helicoverpa armigera SNPV in mixed infections in insect larvae

Georgievska, L., van Oers, M. M., van der Werf, W. & Vlak, J. M., 2004, Book of Abstract - SIP Council Meeting 2004, 31 July - 5 August, Helsinki. Helsinki, p. 88

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

Horizontal and vertical transmission of wild-type and recombinant HASNPV

Sun, X., Zhou, M., van der Werf, W., Vlak, J. M. & Hu, Z., 2004, Book of Abstracts, SIP 2004, Helsinki, 1-6 August 2004. Helsinki, p. 52

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

2003

Field and safety assessment of genetically modified Helicoverpa armigera nucleopolyhedrovirus as a commercial insecticide 2003

Sun, X., Wang, H., Chen Xinwen, van der Werf, W., Vlak, J. M. & Hu, Z., 2003, 36th Annual Meeting of the Society for Invertebrate Pathology, Burlington, Vermont, USA. Burlington, p. 31-32 2 p.

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

Modelling baculoviruses for control of glasshouse pests

van der Werf, W., Bianchi, F. J. J. A. & Vlak, J. M., 2003, 152nd Meeting of the Society for General Microbiology. Edinburgh: University of Edinburgh, p. 33

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

2002

Modellering van de bestrijding van de floridarups in chrysant met baculovirus

Bianchi, F. J. J. A., van der Werf, W. & Vlak, J. M., 2002, In : Gewasbescherming. 33, p. 28

Research output: Contribution to journalAbstractAcademic

Open Access

Process-based simulation models as tools for analysing and exploring the optimal use of biologicals

van der Werf, W., Bianchi, F. J. J. A., Kessel, G. J. T., Vlak, J. M., Kohl, J. & Rbbinge, R., 2002, EPPO Conference on Computer Aids for Plant Protection, York (GB) 2002. - York : EPPO, 2002. p. 16

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

2001

Enhancing the insecticidal effectiveness of Helicoverpa armigera SNPV by expressing an insect-toxin gene under the control of a chimaeric promoter

Sun, X., Wang, H., Chen, X., Peng, C., Pan, D., Jehle, J. A., van der Werf, W., Vlak, J. M. & Hu, Z., 2001, 34th Annual Meeting of the Society for Invertebrate Pathology : SIP 2001, Noordwijkerhout - 2001. Wageningen, the Netherlands: GSC, p. 78

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

The search for solitary desert locust (Schistocerca gregaria)habitat during winter breeding in the plains of the Sudan Red Sea coast

Woldewahid, G., Abate, T., Butrous, M., Abdalla, O., Khidir, A. M., Mustafa, B., Magzoub, I., Abdin, O., Stein, A., van der Werf, W. & van Huis, A., 2001, Metaleptea Eigth international meeting of the Orthopterists Society, Montpellier. - [S.l.] : [s.n.], 2001. p. 79

Research output: Chapter in Book/Report/Conference proceedingAbstract

2000

Evaluation of the insecticidal properties of baculoviruses for their effectiveness as biological control agents

Bianchi, F. J. J. A., van der Werf, W., Rabbinge, R. & Vlak, J. M., 2000, 33rd Annual Meeting of the Society for Invertebrate Pathology, Guanajuato. p. 27

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

Identifying promising application strategies of a biocontrol agent - a systems approach to control of Botrytis cinerea with Ulocladium atrum

de Kraker, J., Boff, P., Gerlagh, M., van der Werf, W. & Köhl, J., 2000, Book of Abstracts : 5th Congress of the European Foundation for Plant Pathology. Taormina, Giardini Naxos, Italy: European Foundation for Plant Pathology, p. 26

Research output: Chapter in Book/Report/Conference proceedingAbstract

Searching for sustainable strategies in Botrytis management : how models can help

de Kraker, J., Kessel, G. J. T., van der Werf, W., van den Ende, J. E., Köhl, J. & Rossing, W. A. H., 2000, Book of Abstracts : XIIth International Botrytis Symposium, Reims, July 3-7, 2000. Reims, France: Université de Reims, p. L.37

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

1999

Effect of primary infection date on the secondary spread of Beetmosaic virus (BtMV)

Dusi, A. N., Peters, D. & van der Werf, W., 1999, In : Fitopatologia Brasileira. 24, (supplemento), p. 353

Research output: Contribution to journalAbstractAcademic

Increased infectivity of a baculovirus recombinant expressing an insect-selective neurotoxin in Spodoptera exigua larvae

Bianchi, F. J. J. A., Joosten, N. N., Gutierrez, S., van der Werf, W. & Vlak, J. M., 1999, XIVth International Plant Protection Congress (IPPC): plant protection towards the third millenium - where chemistry meets ecology : 25 - 30 july 1999, Jerusalem, Israel : book of abstracts / [by] IPPC. - [S.l.] : [s.n.], 1999. p. 26

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

Models of stored-product pests: Their relevance to biological control in traditional storage in developing countries

Stolk, C., van der Werf, W. & van Huis, A., 1999, Stored Product Protection : 7th International Working Conference on Stored-product Protection, Beijing, 1998. Chengdu: Sichuan Pubilishing House of Science & Technology, p. 72-87

Research output: Chapter in Book/Report/Conference proceedingAbstract

Simulation of damage caused by beet mosaic virus (BtMV)

Dusi, A. N., Peters, D. & van der Werf, W., 1999, In : Fitopatologia Brasileira. 24, (supplemento), p. 352-353

Research output: Contribution to journalAbstractAcademic

Spread of beet mosaic potyvirus after inoculating the crop at different dates

Dusi, A. N., Peters, D. & van der Werf, W., 1999, VIIth International Plant Virus Epidemiology Symposium : Plant Virus Epidemiology : Current status and future prospects : 11 - 16 April 1999, Aguadulce (Almeria), Spain : book of abstracts. - [S.l.] : [s.n.], 1999. p. 107

Research output: Chapter in Book/Report/Conference proceedingAbstract

The effect of lesion age and temperature regime during growth on sporulation of Phytophthora infestans lesions

Spijkerboer, H. P., Beniers, J. E., Schouten, H. J. & van der Werf, W., 1999, Proceedings of the Workshop on the European Network for development of an integrated control strategy of potato blight / ed. by H. Schepers, E. Bouma. Lelystad : Applied Research for Arable Farming and Field Production of Vegetables (PAV), 1999. p. 28

Research output: Chapter in Book/Report/Conference proceedingAbstract

Validation of a simulation model for the control of beet army worm, Spodoptera exigua, with baculoviruses in greenhouse Chrysanthemum

Bianchi, F. J. J. A., Joosten, N. N., van der Werf, W., Smits, P. H., Rabbinge, R. & Vlak, J. M., 1999, Book of abstracts : 32th Annual Meeting of the Society of Invertebrate Pathology, Irvine, August 1999. - [S.l.] : [s.n.], 1999. p. 25

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

1998

De vruchten van een systeeembenadering in de gewasbescherming.

van der Werf, W., Rossing, W. A. H., van Ittersum, M. K., de Kraker, J., Kropff, M. J. & Rabbinge, R., 1998, In : Gewasbescherming. p. 14

Research output: Contribution to journalAbstractAcademic

Hoe gevaarlijk zijn bronnen van Phytophthora voor hun omgeving?

Spijkerboer, H. P., Beniers, J. E., Jaspers, D., Schouten, H. J., van der Werf, W. & Rabbinge, R., 1998, In : Gewasbescherming. 29, p. 6

Research output: Contribution to journalAbstractAcademic

Identification of promising application strategies of a fungal antagonist: a modelling approach to Botrytis cinera control by Ulocladium atrum.

de Kraker, J., van der Werf, W. & Kohl, J., 1998, International Symposium of the British Mycological Society: the future of fungi in the control of pests, weeds and diseases, Southampton, UK. p. 94

Research output: Chapter in Book/Report/Conference proceedingAbstract

Methodology for developing and evaluating monitoring programs for crop pests and diseases.

van der Werf, W., Nyrop, J. P., Binns, M. R. & Kovach, J., 1998, 5th International Symposium on Computer Modelling in Fruit Research and Orchard Management: International Society for Horticultural Science, Wageningen, The Netherlands. p. 12

Research output: Chapter in Book/Report/Conference proceedingAbstract

Modelling competitive substrate colonization by a fungal plant pathogen and it's fungal antagonist at leaf level.

Kessel, G. J. T., de Haas, B. H., van der Werf, W. & Kohl, J., 1998, 6th International Mycological Congress, Jerusalem, Israel. p. 125

Research output: Chapter in Book/Report/Conference proceedingAbstract

Modelling mite dynamics on apple trees in eastern-north America.

Hardman, J. M., van der Werf, W. & Nyrop, J. P., 1998, 5th International Symposium on Computer Modelling in Fruit Research and Orchard Management: International Society for Horticultural Science, Wageningen, The Netherlands. p. 12-13

Research output: Chapter in Book/Report/Conference proceedingAbstract

Modelling yield losses in sugar beets due to beet mosaic virus infections.

Dusi, A. N., Peters, D. & van der Werf, W., 1998, Disease resistance in plants: theory and appication. PhD summer school, Wageningen, The Netherlands. p. 40

Research output: Chapter in Book/Report/Conference proceedingAbstract

Naar een duurzame aanpak van Botrytis-ziekten: modellen als middel?

de Kraker, J., Rossing, W. A. H., van der Werf, W., van den Ende, J. E. & Kohl, J., 1998, In : Gewasbescherming. p. 42

Research output: Contribution to journalAbstractAcademic

Quantification of fungal colonization of Botrytis elliptica and Ulocladium atrum in necrotic lily leaf tissue using fluorescence microscopy and image analysis.

Kessel, G. J. T., de Haas, B. H., Lombaers-van der Plas, C. H., Meijer, E. M. J., Karpovich-Tate, N., Dewey, F. M., Kohl, J. & van der Werf, W., 1998, 6th International Mycological Congress, Jerusalem, Israel. p. 137

Research output: Chapter in Book/Report/Conference proceedingAbstract

Quantification of mycelium of Botrytis elliptica and Ulocladium atrum in necrotic plant tissue using fluorescence microscopy and image analysis.

Kessel, G. J. T., Lombaers-van der Plas, C. H., de Haas, B. H., Meijer, E. M. J., Kohl, J. & van der Werf, W., 1998, International Symposium of the British Mycological Society: the future of fungi in the control of pests, weeds and diseases, Southampton, UK (1998).

Research output: Chapter in Book/Report/Conference proceedingAbstract

1997

Biological activity of SeMNPV, AcMNPV and three deeltion recombinants of AcMNPV against Spodoptera exigua.

Bianchi, F. J. J. A., Snoeijing, I., van der Werf, W., Smits, P. H. & Vlak, J. M., 1997, Abstract Book of the 30th Annual Meeting of the Society for Invertebrate Pathology, Banff, Canada. p. 6

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

Dry heat mortality of pathogen propagels: Experimental and Numerical Studies.

Shlevin, E., Katan, J., Mahrer, Y., Saguy, I., van der Werf, W. & Ruissen, M. A., 1997, In : Phytoparasitica. 27, p. 252

Research output: Contribution to journalAbstractAcademic