Haku
Viitteet 1-2 / 2
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)