Haku
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Pests of cultivated plants in Finland in 1979
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1980)
The pseudoscorpionid Chernes cimicoides as a predator of the predatory mite Phytoseiulus persimilis on cucumber cultures in glasshouses
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1981)
Pests of cultivated plants in Finland in 1980
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1981)
Field studies on the factors affecting the population dynamics of the bird cherry-oat aphid, Rhopalosiphum padi (L.) in Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1982)
Pests of cultivated plants in Finland in 1981
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1982)
Preliminary studies on the effect of host age and aphid generation on the reproduction and survival of the bird cherry-oat aphid, Rhopalosiphum padi (L.)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1982)
Flying periods and oviposition of cabbage root flies in southern and central Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1984)
Specificity of pheromone preparates for lepidopterous pests
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1986)
Pests of cultivated plants in Finland in 1983
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1984)
Pests of cultivated plants in Finland in 1982
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1983)