Haku
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Pests of cultivated plants in Finland in 1980
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1981)
Ecology and fluctuations in abundance of megadelphax sordidula (Stål) (Hom., Delphacidae)
(Maatalouden tutkimuskeskusMaatalouden tutkimuskeskus, 1970)
Preference of cereal aphids for various cereal varieties and species of Gramineae, Juncaceae, and Cyperaceae
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1970)
Pests of cultivated plants in Finland during 1986
(Agricultural Research CentreMaatalouden tutkimuskeskusMaatalouden tutkimuskeskus, 1987)
Non-chemical control of carrot rust fly in Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1988)
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)
The microflora of cereal seeds in Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1970)
Resistance of pea to the pea weevil sitona lineatus (L.) (Col., Curculionidae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1970)
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)