Canada plum, prunus nigra aiton, as a primary host of the green peach aphid, myz
Shands, W.A.
Canada plum, prunus nigra aiton, as a primary host of the green peach aphid, myz - Orono 1969 - 32 p. - No. 39; Maine Agricultural Exp .
Canada plum, prunus nigra aiton, as a primary host of the green peach aphid, myz - Orono 1969 - 32 p. - No. 39; Maine Agricultural Exp .