Cone and Seed Diseases of North American Conifers

Cone and Seed Diseases of North American Conifers PDF

Author: North American Forestry Commission

Publisher: North American Forestry Commission

Published: 1987

Total Pages: 88

ISBN-13:

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Of information on the biology, description, distribution, detection, and management of cone and seed diseases in Canada, Mexico and the United States. Disease distribution maps are included for most major hosts and wherepossible, those diseases that occur or are likely to occur in seed orchardswhich will supply most of the future seed needs are pointed out. Eachsection gives the life history, symptoms, signs, damage, and distribution onvarious hosts of the major cone and seed diseases, with distribution mapsincluded for both hosts and diseases. A table of cone and seed diseases ofminor importance gives information on diseases whose importance is not yetwell documented. A glossary is also included, as well as lists of diseasehosts by common and scientific names.

Cone and Seed Insects of North American Conifers

Cone and Seed Insects of North American Conifers PDF

Author: Alan F. Hedlin

Publisher: Canadian Forestry Service ; [Washington, D.C.] : United States Forest Service; [Chapingo, Mexico] : Secretaria de Agricultura y Recursos Hidraulicos

Published: 1980

Total Pages: 136

ISBN-13:

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Summarizes information on the recognition, biology, and importance of cone and seed destroying insects of Canada, the United States, and Mexico.

Cone and Seed Insects of the Mexican Conifers

Cone and Seed Insects of the Mexican Conifers PDF

Author: David Cibrián-Tovar

Publisher:

Published: 1986

Total Pages: 118

ISBN-13:

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The hosts, descriptions, damage, life cycle, habits, and importance of 54 known cone and seed destroying insects attacking Mexican conifer trees are discussed. Distribution maps and color photos are provided. New species described are three species of Cydia (seedworm), four species of Dioryctria (coneworm), and four species of cone feeding Apolychrosis.