Neueste Erkenntnisse zur Erkrankung der Eichen in Europa

Wien

1991

S. 3

1 Abb.

Unselbständiges Werk

200051170

In Oct.1991 experts from 6 European countries met in Munich to discuss research and results on oak decline. Long lasting drought periods, extreme winterfrosts, followed by secondary insects and fungi were considered as main factors causing oak decline in Europe.