Haku
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Growth substrate of plants and the reproduction rate of Tetranychus telarius (L.), Acyrthosiphon pisum Harris and Myzus persicae (Sulz).
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1969)
Reproduction of Myzus persicae (Sulz.) and Tetranychus telarius (L.) on different chrysanthemum cultivars
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1969)
Preference of cereal aphids for various cereal varieties and species of Gramineae, Juncaceae, and Cyperaceae
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1970)
Resistance of plants to the pea aphid Acyrthosiphon pisum Harris (Hom., Aphididae) : I. Fecundity of the biotypes on different host plants
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1970)
Pests of cultivated plants in Finland in 1975
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1976)
Evaluation of predator-prey ratio using Chrysopa carnea Steph. in control of Rhopalosiphum padi (L.)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1977)
Effect of herbicides and chlormequat chloride on host plant selection and population growth of Macrosiphum avenae (F.) (Hom., Aphididae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1972)
Changes in the concentration of free amino acids in plants induced by virus diseases and the reproduction of aphids
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1964)
Resistance of cereals to the aphids Rhopalosiphum padi (L.) and Macrosiphum avenae (F.) and fecundity of these aphids on Graminae, Cyperaceae and Juncaceae
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1972)
PVC rearing cages for aphid investigations
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1963)