P. De Groot

Identifiers

Open LibraryOL5380630A

Top Subjects

Sawflies (1)
Baculoviruses (1)
Diptera -- North America -- Bibliography (1)
Conifers -- Diseases and pests -- North America -- Bibliography (1)

Books by P. De Groot

Total count: 2

Aerial spray trials with a baculovirus to control redheaded pine sawfly in Ontario in 1979 and 1980

Canadian Forestry Service1983-01-01
Diptera associated with cones and seeds of North American conifersan annotated bibliography

Forest Pest Management Institute1986-01-01