Imperial bureau of agricultural parasitology notes and memoranda No. 6: Potato sickness and the eelworm heterodera schachtii
Eelworm heterodera scachtii
Imperial bureau of agricultural parasitology notes and memoranda No. 6: Potato sickness and the eelworm heterodera schachtii - England Winches farm drive 1932 - 22p.
Imperial bureau of agricultural parasitology notes and memoranda No. 6: Potato sickness and the eelworm heterodera schachtii - England Winches farm drive 1932 - 22p.