Haku
Viitteet 21-30 / 67
Population dynamics of cereal aphids and method of predicting population trends
(Agricultural Research Centre, 1976)
Pests of cultivated plants in Finland in 1969
(Agricultural Research centreMaatalouden tutkimuskeskus, 1970)
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)
Pests of cultivated plants in Finland in 1971
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1972)
Experiences of cucumber growers on control of the two-spotted spider mite Tetranychus telarius (L.) with the phytoseiid mite Phytoseiulus persimilis A.H.
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1972)
Ecology and control of timothy grass flies (Amaurosoma spp., Dipt., Scatophagidae) and the effects of chemical control on the fauna of the field stratum.
(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)
Dispersal of leafhoppers and their enemies to oatfields
(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)
Biology of dicranotropis Hamata (Boh.) (Hom., Araeopidae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1964)