Haku
Viitteet 1-3 / 3
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)
The importance of Coccinella septempunctata L. (Col., Coccinellidae) in controlling cereal aphids, and the effect of aphids on the yield and quality of barley
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1972)
The effect of the English grain aphid macrosiphum avenae (F.) (Hom., Aphididae) on the yield and quality of wheat
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1966)