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Biological control in glasshouses in the Netherlands.

Biological control in glasshouses in the Netherlands. Hans Muilerman PAN-Europe NIC-wg Paris, 8-12-09. 50.000 hectares of vegetables and flowers. No ‘green fingers’ anymore. Production completely industrialized. High input type of production, and.

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Biological control in glasshouses in the Netherlands.

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  1. Biological control in glasshouses in the Netherlands. Hans Muilerman PAN-Europe NIC-wg Paris, 8-12-09.

  2. 50.000 hectares of vegetables and flowers

  3. No ‘green fingers’ anymore.

  4. Production completely industrialized

  5. High input type of production, and..

  6. … also industrial type of recirculation, and….

  7. … full scale energy production combining heat and electricity

  8. Big problems finding people ready to do the picking

  9. Market segmentation forced by ‘Bild Zeitung’.

  10. Resistance problems led to biological control in the 70-es

  11. Biological Control in glasshouses increasing (Van Lenteren, 2006)

  12. Biological control Type 3 and 4 measures of IP.

  13. Potential for BC almost unlimited • Predators (vertebrates) • Microbials • Pheromones • Sterile flies • Natural substances • Biological soil treatment • ….., even sound

  14. Use of pesticides still major problem,especially in flower crops

  15. Zero-tolerance policy also doesn’t help

  16. Challenges • Getting BC (and IPM) rewarded in the market • Change unfair EU approval system and turn it around to giving BC an advantage • Remove and substitute chemicals harming BC-systems • Keep chemical industry from buying up BC-companies

  17. More challenges: arable crops!

  18. Campaigning helps

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