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. IP hierarchy & Type of measures 1. Prevention 2. Technical measures for cultivation 3. Systems for early warning and deciding 4. Non-synthetic chemical crop protection 5. Chemical crop protection and application techniques 6. Emission reduction

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 doesnt 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