by John Grieve Bald
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Potato virus X: mixtures of strains and ...
The structure of plastids and other cyto...
Ecology of the green peach aphid as a ve...
M. persicae and potato leaf roll virus
Potato leafroll virus
Big-eyed bugs as predators of the green ...
Exploiting the ecological interaction of...
Insektizid-Resistenz bei Blattläusen