Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 503478
Title CATT : A new and non-chemical pest and nematode control method in strawberry planting stock
Author(s) Kruistum, G. Van; Evenhuis, A.; Hoek, J.; Kastelein, P.; Wolf, J.M. Van Der; Verschoor, J.A.
Source Acta Horticulturae 1105 (2015). - ISSN 0567-7572 - p. 189 - 196.
Department(s) Team Schimmels, Onkruiden en Plagen
CVI Dierverzorging en biotechniek
PRI Bioint Entomology & Disease Management
PRI Bioint Diagnostics, Food Safety & Phytosanitary
FBR Post Harvest Technology
Publication type Refereed Article in a scientific journal
Publication year 2015
Keyword(s) Disinfection - Fragaria × ananassa - Frigo plants - Meloidogyne hapla - Nurseries - Phytonemus pallidus - Xanthomonas fragariae

As an alternative to MeBr fumigation, a 48 h controlled atmosphere temperature treatment (CATT) was developed and scaled up by Wageningen UR in cooperation with the Dutch plant propagating association Plantum. This results in an excellent deinfestation and 99.8% mortality of the strawberry tarsonemid mite (Phytonemus pallidus). This non-chemical and sustainable method provides a healthy production of high quality strawberry runners in the field. From 2009, CATT was scaled up to a commercial level and widely applied by Dutch nurseries. In 2011, this CATT method was successfully modified to also eradicate the root knot nematode Meloidogyne hapla (>99.7% mortality), which was not effectively controlled by MeBr fumigation. For an effective killing of the root knot nematodes, temperature must be raised to 40°C. In several experiments, the optimum conditions for high mortality of both tarsonemids and nematodes were studied. An adapted version of CATT was developed of 20 h at a temperature of 35°C and 50% CO2 followed by 20 h at a temperature of 40°C. In 2012, this adapted CATT was successfully upgraded and tested under field conditions. Additional research in 2013 led to the conclusion that cross infection of plants by the bacterial Q-disease (Xanthomonas fragariae) during CATT treatment is unlikely.

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