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Basics of plant genetic engineering and its potential applications to tree species

P. Charest, Auteur ; Michel, M, Auteur | Ottawa, CAN : Forestry Canada | 1991

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Forest insect and disease conditions in Canada 1990

FORESTRY CANADA FOREST INSECT AND DISEASE SURVEY ; B. Moody | Ottawa, CAN : Forestry Canada | 1993

This publication contains the following chapters : summary of defoliation and damage estimates ; major forest insects and diseases ; forest health monitoring ; special surveys ; other insects, diseases and damage.

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