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of 71
pro vyhledávání: '"J. M. Franz"'
Autor:
J. M. Franz
Publikováno v:
Zeitschrift für Angewandte Entomologie. 31:228-260
Autor:
J. M. Franz
Publikováno v:
Zeitschrift für Angewandte Entomologie. 72:1-6
The role of biological control in pest management. Biological control comprises both, the addition of new biotic elements to actively reduce pest organisms and the protection and furthering of beneficial organisms already present. Manipulation of bio
Autor:
J. M. Franz
Publikováno v:
Zeitschrift für Angewandte Entomologie. 78:17-20
Integration as mission – efforts to achieve a timely way of pest control. Returning to the subject of the colloquium, the terms “integrated” and “timely” pest control are being defined. It was the intention of this colloquium to obtain cons
Autor:
J. M. Franz
Publikováno v:
Zeitschrift für Angewandte Entomologie. 44:310-313
Autor:
W. Laux, J. M. Franz
Publikováno v:
Zeitschrift für Angewandte Entomologie. 50:105-109
Summary Larvae of Malacosoma neustria (L.) were examined as regards their behaviour towards light stimuli. As a result, two forms could be distinguished which behaved differently in a light gradient. The development of the larvae at different tempera
Autor:
J. M. Franz
Publikováno v:
Zeitschrift für Angewandte Entomologie. 27:585-620
Autor:
J. M. Franz
Publikováno v:
Zeitschrift für Angewandte Entomologie. 82:124-128
Introduction of the project: Occurrence, qualities and utilization of virus diseases of pest insects There appear frequently natural virus epizootics at the end of gradations of various pest insects, mainly of Lepidoptera and Hymenoptera. They contri
Autor:
J. M. Franz
Publikováno v:
Zeitschrift für Angewandte Entomologie. 54:60-69
Summary Modern trends in applied entomology in North America are depicted according to personal impressions during recent activity of the author in Canada and in the United States. The inclusion of practical research into university work and the impo
Autor:
J. M. Franz
Publikováno v:
Zeitschrift für Angewandte Entomologie. 26:664-673
Autor:
J. M. Franz, K. Fabritius
Publikováno v:
Zeitschrift für Angewandte Entomologie. 68:278-288
Testing the sensitivity to pesticides of entomophagous arthropods - trials using Trichogramma. In order to prepare comparable test methods of unwanted side-effects of pesticides against entomophagous arthropods the most important parameters for exper