T. Wetzel

Laboratory evaluation of certain natural compounds against the melon ladybird beetle, Epilachna chrysomelina F. attacking cucurbit plants

C. Volkmar, A. Abdel-Moniem, N. Dimetry, 2004 .

Economic Thresholds for Central European and North American Wheat Insects

S. G. Wellso, T. Wetzel, 1987 .

Occurrence of cereal leaf beetles (Oulema melanopus L. and O. lichenis Voet) and updating of the control threshold.

W. Heyer, T. Wetzel, 1990 .

The effect of combined infestation by cereal aphids (Macrosiphum avenae (Fabr.) (Sitobion avenae) and Rhopalosiphum padi (L.)) and cereal leaf beetles (Oulema melanopus (L.)) on their population development and on yield of winter wheat

B. Reinsch, B. Freier, T. Wetzel, 1983 .

Phytophthora: Identifying Species by Morphology and DNA Fingerprints

T. Wetzel, 2011 .