I see there are different products for trees, shrubs vs plants, which is a good thing, as they are different organisms. More specifics and what sprays not to use if you click on Form E.
http://www.soilmoist.com/products/my...l/root-dip.php
The only thing I've used for bare root shrubs or trees is kelp solution dip - not mycos but works well - and kelp solution to water tomatoes in the greenhouse, for the transplant stress.