Haku
Viitteet 1-10 / 22
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)
Resistance of plants to the pea aphid Acyrthosiphon pisum Harris (Hom., Aphididae) : II. Fecundity on different red clover varieties
(Agricultural Research centreMaatalouden tutkimuskeskus, 1970)
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)
Pests of cultivated plants in Finland in 1975
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1976)
Population dynamics of cereal aphids and method of predicting population trends
(Agricultural Research Centre, 1976)
Resistance of the aphids Myzus persicae (Sulz.), Aulacorthum solani (Kalt.) and Aphis gossypii Glov. to insecticides and the influence of the host plant on this resistance
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1972)
Effect of herbicides and chlormequat chloride on host plant selection and population growth of Macrosiphum avenae (F.) (Hom., Aphididae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1972)
Changes in the concentration of free amino acids in plants induced by virus diseases and the reproduction of aphids
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1964)
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)