Haku
Viitteet 1-3 / 3
Damage and control of Rhopalosiphum padi in Finland during the outbreak of 1988
(Agricultural Research Centre, 1989)
Control of Rhopalosiphum padi (L.) (Hom., Aphididae) with Coccinella septempunctata L. (Col., Coccinellidae) in cages, and effect of late aphid infestation on barley yield
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1975)