Probably the greatest threat to the survival of walnut trees is a root rot, probably a phytophthora fungus. It is not unusual for orchardists on heavier soils to lose a few trees. We had a reminder recently that even older trees are vulnerable. It appears that several trees in the Lincoln University trial block may [...]
Archive for April, 2008
A warning on root rot
Posted in irrigation, walnuts, tagged phytophthora, root rot on April 16, 2008 | Leave a Comment »
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