Haku
Viitteet 1-3 / 3
Occurrence of winged aphids on potato plants and pressure for potato virus Y transmission in Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1986)
Control of aphids on sweet peppers, chrysanthemums and roses in small greenhouses using the ladybeetles Coccinella septempunctata and Adalia bipunctata (Col., Coccinellidae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1977)
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)