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Pests and Diseases in Croatian Forests

Pests and Diseases in Croatian Forests. Forest Research Institute Jastrebarsko Croatia. Forest Research Institute. Department for Forest Protection and Hunting Forest Research Institute – center for monitoring and diagnosis of forest pests and diseases since 1980.

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Pests and Diseases in Croatian Forests

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  1. Pests and Diseases in Croatian Forests Forest Research Institute Jastrebarsko Croatia

  2. Forest Research Institute • Department for Forest Protection and Hunting • Forest Research Institute – center for monitoring and diagnosis of forest pests and diseases since 1980. • New Law on plant health (2006) – more obligations for FRI – quarantine pests and nurseries

  3. Field methods • Gypsy moth – transects (egg masses) • Winter moths – glue rings • Pine processionary moth – egg masses • Early defoliators – winter oak branches • Pheromone traps • Oak powdery mildew – estimate of infestation

  4. Laboratory methods • Winter oak branches – counting of larvae • Gypsy moth and pine processionary moth egg parasitoids

  5. Oak powdery mildew(Microsphaera alphitoides)

  6. Oak powdery mildew(Microsphaera alphitoides)

  7. Other plant diseases • Sweet chestnut cancer present in all sweet chestnut forests • Fungal diseases of acorns

  8. Gypsy moth(Lymantria dispar)

  9. Gypsy moth

  10. Winter moths (Geometridae)

  11. Pine processionary moth (Thaumatopoea pytiocampa)

  12. Tortrix viridana

  13. Silver fir bark beetles

  14. Spruce bark beetles

  15. Pine bark beetles

  16. Other biotic damages • wild game • rodents • weeds

  17. Abiotic damages • frost • drought • windthrow, ice-break

  18. Pests and diseases 2003-07.

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