Haku
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Distribution of damage caused by Lygus rugulipennis Popp. (Het., Miridae) in cultivated fields
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1974)
Dicranotropis hamata (Boh.) (Hom., Araeopidae) as a vector of cereal viruses in Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1963)
The composition of the thrips species in cereal in Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)
Phytotoxaemia caused by Trioza apicalis Först. (Hom., Triozidae) on carrot
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1971)
The effect of the English grain aphid macrosiphum avenae (F.) (Hom., Aphididae) on the yield and quality of wheat
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1966)
Studies on the biology of the cabbage root fly (Hylemya brassicae Bouché) and the turnip root fly (Hylemya floralis Fall.)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)
Studies on the host plant relationships of Aphis idaei v.d. Goot and Amphorophora rubi (Kalt.) (Hom. Aphididae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)