Haku
Viitteet 1-3 / 3
Pests of cultivated plants in Finland during 1988
(Agricultural Research Centre, 1989)
The pest potential of Meloidogyne hapla in northern field conditions
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1988)
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)