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)
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)
Resistance of plants to the pea aphid Acyrthosiphon pisum Harris (Hom., Aphididae) : 3. fecundity on different pea varieties
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1971)
Resistance of plants to the pea aphid, Acyrthosiphon pisum Harris (Hom., Aphididae) : 4. fecundity on different alsike and white clover varieties
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1971)
The effect of amino acids, vitamins and trace elements on the development of Acyrthosiphon pisum Harris (Hom., Aphididae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)