1-24 of 43 Books

Vergleichende Untersuchung über die Ordnung der Schuppen an den Tannenzapfen als Einleitung zur Untersuchung der Blattstellung überhaupt
By Alexander Braun
Forecasting seed crops and determining cone ripeness in southwestern ponderosa pine
Forecasting seed crops and determining cone ripeness in southwestern ponderosa pine
By W. J. Rietveld

Cone and seed yields in young western white pines
By Richard T. Bingham

Stem breakage effect on cone and pollen production in Pinus monticola (Dougl.)
By D. O. Coffen
Carbofuran applications fail to reduce damage to seeds and cones of scotch pine in North Dakota and Nebraska
Carbofuran applications fail to reduce damage to seeds and cones of scotch pine in North Dakota and Nebraska
By M. E. Dix
Variations in cone properties, seed yield and seed weight in western white pine when pollination is controlled
Variations in cone properties, seed yield and seed weight in western white pine when pollination is controlled
By A. E. Squillace

Douglas' squirrels cut Pacific silver fir cones in the Washington Cascades
By Jerry F. Franklin

Bigam botanicam, sc. cervariam nigram et pini conos ...
By Georgius Albertus Camerarius

Seed stored in cones of some jack pine stands, northern Minnesota
By Eugene I. Roe

Vertical distribution of cones in red pine
By John S. Hard

Heavy crop of red pine cones yields many thousands of good seeds
By Eugene I. Roe

Frost damage to red pine conelets
By John S. Hard
Cone storage and seed quality in longleaf pine
Cone storage and seed quality in longleaf pine
By F. T. Bonner
Some cone and seed characteristics of Black Hills ponderosa pine
Some cone and seed characteristics of Black Hills ponderosa pine
By James L. Van Deusen
Illustrated guide to stages of Jack Pine cone development
Illustrated guide to stages of Jack Pine cone development
By Mary I. Moore
A hydraulically operated pine cone cutter
A hydraulically operated pine cone cutter
By Carl W. Fatzinger
Seed losses reduced in Virginia pine cones by screen wire cages
Seed losses reduced in Virginia pine cones by screen wire cages
By D. L. Bramlett
Cone production and insect-caused seed losses of ponderosa pine in Idaho and adjacent Washington and Montana
Cone production and insect-caused seed losses of ponderosa pine in Idaho and adjacent Washington and Montana
By John W. Dale

Pine cones and other natural pods and material for decorative purposes, wreaths, etc
By Herbst Brothers Seedsmen, Inc
Cone and seed properties in a young and an old stand of Pinus sylvestris L.
Cone and seed properties in a young and an old stand of Pinus sylvestris L.
By Urban Bergsten

When to pick pine cones
By Lake States Forest Experiment Station (Saint Paul, Minn.)
How and when to collect white pine seed
How and when to collect white pine seed
By F. Wm Rane

Cone production of western white pine seedlings and grafts
By R. J. Hoff