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Found 813 results for "Aphids"

Aphids as virus vectors
Aphids as virus vectors

by Kerry F. Harris, Karl Maramorosch

1977 2 ed.
Aphididae as carriers of ... Virus diseases of plants Plant viruses
Lettuce aphids
Lettuce aphids
1983 1 ed.
Apple-aphides
Apple-aphides

by M. H. Ruhman

1997 1 ed.
Agricultural pests Aphids Apples
Woolly aphid
Woolly aphid

by Agricultural Development and Advisory Service.

1975 1 ed.
Control Woolly apple aphid
Asparagus aphid
Asparagus aphid

by Vanelle Peterson

1982 1 ed.
Control Asparagus Diuraphis
Spruce aphid
Spruce aphid

by E. Roy Davidson

1985 1 ed.
Spruce Aphids Diseases and pests
Spruce aphid
Spruce aphid

by E. Roy Davidson

1988 1 ed.
Spruce Aphids Diseases and pests
Spruce aphid
Spruce aphid

by E. Roy Davidson

1982 1 ed.
Spruce Aphids Diseases and pests
Potato aphids
Potato aphids

by Edith M. Patch

1925 1 ed.
Aphids
Aphid ecology
Aphid ecology

by A. F. G. (Anthony Frederick Geroge) Dixon

1985 1 ed.
Aphididae
Aphid Ecology
Aphid Ecology

by A. Dixon

1999 1 ed.
Apple aphids
Apple aphids
1985 1 ed.
Lettuce aphids
Lettuce aphids
1977 1 ed.
Aphid Antagonists
Aphid Antagonists

by R. Cavalloro

1983 1 ed.
Lettuce aphids
Lettuce aphids
1984 1 ed.
Cereal aphids.
Cereal aphids.
1982 1 ed.
Grain -- Diseases and pes...
Apple aphids
Apple aphids

by Agricultural Development and Advisory Service.

1979 1 ed.
Cabbage aphid.
Cabbage aphid.
1984 1 ed.
Cabbage aphid.
Currant and gooseberry aphids
Currant and gooseberry aphids

by Ministry of Agriculture, Fisheries and Food

1969 1 ed.
Aphididae Currants Diseases and pests
Host alternation in aphids
Host alternation in aphids

by Ranajit Kundu

1992 1 ed.