Mark, you may already know that David Rosenberger of Cornell's Hudson
Valley Lab has suspected that glyphosate may be one culprit in the
type of injury you describe.
We have seen unexplained tree decline and eventual death in several
Massachusetts (and Connecticut) orchards (individual or groups
I visited a grower this fall who asked help in determining what was wrong in
several of his apple plantings.
He had young trees which were dying a slow death. They had cankers on the
trunks, some were basal, some below and some among the scaffold limbs. The
grower used a used a mixture of several
