Haku
Viitteet 1-2 / 2
Resistance of cereals to the aphids Rhopalosiphum padi (L.) and Macrosiphum avenae (F.) and fecundity of these aphids on Graminae, Cyperaceae and Juncaceae
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1972)
Changes in the yield and protein quantity of oat caused by Rhopalosiphum padi (L.) (Hom., Aphididae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1968)