Haku
Viitteet 1-10 / 11
Preference of cereal aphids for various cereal varieties and species of Gramineae, Juncaceae, and Cyperaceae
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1970)
Resistance of plants to the pea aphid Acyrthosiphon pisum Harris (Hom., Aphididae) : I. Fecundity of the biotypes on different host plants
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1970)
Pests of cultivated plants in Finland in 1975
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1976)
Evaluation of predator-prey ratio using Chrysopa carnea Steph. in control of Rhopalosiphum padi (L.)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1977)
Effect of herbicides and chlormequat chloride on host plant selection and population growth of Macrosiphum avenae (F.) (Hom., Aphididae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1972)
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)
Resistance of plants to the pea aphid, Acyrthosiphon pisum Harris (Hom., Aphididae) : 4. fecundity on different alsike and white clover varieties
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1971)
Kirvoja ja koloradonkuoriaisia Viljelykasvien tuhoeläimet 1973
(Maaseudun TulevaisuusMaaseudun Tulevaisuus, 1974)
Mortality of Aphidoletes aphidimyza Rond. (Dipt., Itonididae) larvae treated with acaricides
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1976)