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Proceedings of Past Forest Nursery Association Meetings:

Controlling Root Pathogens with Mycorrhizal Fungi and Beneficial Bacteria
Robert G. Linderman and Marielle Hoefnagels
1992: Fallen Leaf Lake, CA
Mycorrhizae help plants to acquire water and
nutrients from soil, tolerate drought, and ward off root
pathogens. These effects are due largely to mycorrhiza-
induced physiological changes, including altered root
exudation which changes the microbial composition in the
mycorrhizosphere soil. Mycorrhizae and their associated
rhizobacteria can antagonize root pathogens. Our goal
is to find and manage these microbes to effect biological
control of the widespread Fusarium root rot of conifers.
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