Haku
Viitteet 1-3 / 3
Reproduction of Myzus persicae (Sulz.) and Tetranychus telarius (L.) on different chrysanthemum cultivars
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1969)
Resistance of plants to the pea aphid Acyrthosiphon pisum Harris (Hom., Aphididae) : II. Fecundity on different red clover varieties
(Agricultural Research centreMaatalouden tutkimuskeskus, 1970)
Studies on the host plant relationships of Aphis idaei v.d. Goot and Amphorophora rubi (Kalt.) (Hom. Aphididae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)