Haku
Viitteet 1-3 / 3
Resistance of plants to the pea aphid Acyrthosiphon pisum Harris (Hom., Aphididae) : II. Fecundity on different red clover varieties
(Agricultural Research centreMaatalouden tutkimuskeskus, 1970)
Distribution of damage caused by Lygus rugulipennis Popp. (Het., Miridae) in cultivated fields
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1974)
Phytotoxaemia caused by Trioza apicalis Först. (Hom., Triozidae) on carrot
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1971)