Bettiga L

1980 Effects of Midsummer Walnut Aphid Infestations on Walnut Quality

Sibbett, G.S., L. Bettiga. 1980.

1979 Walnut Aphid

Sibbett, G.S., L. Bettiga. 1979.

1979 Codling Moth Pheromone Trapping Studies - 1979

Sibbett, G.S., L. Bettiga. 1979.

1979 Codling Moth Control

Sibbett, G.S., L. Bettiga. 1979.