Haku
Viitteet 21-30 / 53
Pests of cultivated plants in Finland in 1978
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1979)
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)
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)
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 abundance of seed pests of red clover in Finland and the effect of certain factors on their abundance
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1964)
Early- and high-summer flight periods of leafhoppers
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1973)