Rickettsien-ähnliche Bakterien (RLO) in Feinwurzeln erkrankter Fichten unterschiedlichen Alters

Rickettsia-like organisms (RLO) in fine roots of different age diseased spruce . Rickettsia-like organisms (RLO) were observed in fine roots of Norway spruce (Picea abies Karst.) with symptoms of forest decline at two sites in the Federal Republic of Germany. Conclusions about the causal relations of RLO to the observed symptoms are however not yet possible.