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Auteur J. Rotrekl |
Documents disponibles écrits par cet auteur (3)

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article/chapitre/communication
J. Rotrekl ; J. Smrz ; S. Holman | 1978-79![]()
article/chapitre/communication
J. Rotrekl | 1975In 1971-1972 trials were carried out to study the representation of the genus Heteroptera (as to their quality and quantity) in alfalfa stands in the region of South Moravia. Out of the whole amount of 81 000 catched bugs 69 species have been id[...]![]()
article/chapitre/communication
J. Rotrekl | 1972Results of laboratory tests, in which the effect of some insecticides on alfalfa plant bug was studied, are summarized in this publication. In next years effective preparations will be tested in fields trials. The following insecticides were app[...]