. â '^^<%f Fig. 36.âSoft nose of Sevillano olive. Care should be taken not to plant infected nursery trees or to bring into a clean orchard any picking boxes, tools, or other equipment or materials which may have come from an orchard where the disease is present. Oak-Root-Fungus Disease, Armillaria Root Rot.âTrees occasionally die from a rotting of the roots and crown caused by the fungus Armilla- ria mellea, which lives in the soil in old roots of native trees. The fungus may be seen as fan-shaped, felty, white sheets between the bark and wood and also in the form of clusters of large tan-
. â '^^<%f Fig. 36.âSoft nose of Sevillano olive. Care should be taken not to plant infected nursery trees or to bring into a clean orchard any picking boxes, tools, or other equipment or materials which may have come from an orchard where the disease is present. Oak-Root-Fungus Disease, Armillaria Root Rot.âTrees occasionally die from a rotting of the roots and crown caused by the fungus Armilla- ria mellea, which lives in the soil in old roots of native trees. The fungus may be seen as fan-shaped, felty, white sheets between the bark and wood and also in the form of clusters of large tan-colored toadstools which come up around the bases of badly affected or dead trees in early winter. See page 144 for further description. The olive is only moderately sus- ceptible to this disease, but affected trees succumb in time. Surgical treatment as described on page 147 is successful in prolong- ing the life of olive trees attacked by oak root fungus, if the disease is not too far advanced.
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Keywords: ., bookc, bookcentury1900, bookcollectionamericana, booksubjectfruit
