How to separate damage by the European pine shoot moth, the Zimmerman pine moth, and the pitch mass borer | Libros

Control of the European pine shoot moth with concentrated DDT sprays

Miller, William E.

1958

Timing DDT sprays in the spring for European pine shoot moth control

Miller, William E.

1958

Weather station records not an accurate guide to temperatures lethal to the shoot moth

L. C. Beckwith

1957

European pine shoot moth damage reduced on sheared christmas trees

Miller, William E.

1960

Ill winds

MacKenzie, James J.

1988

An analytical method to assess spruce beetle impacts on white spruce resouces, Kenai Peninsula, Alaska

W.W.S. Van Hees

1992

Severe winter damage to conifers noted in portions of North Dakota, 1955-56

Richard F. Watt

1956

Porcupine damage to forest plantations

Paul O. Rudolf

1949