PESTS AND DISEASES OF FORESTRY IN NEW ZEALAND
Symptoms observed in April, tree age over fifteen years
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Red needle cast occurs from April to October on trees of all ages, but generally those over 3 years old.
Needles
Oily green band, then yellow, then red. Needles detach readily. Resin blobs are sometimes seen at the needle base.
Incidence and severity
Localised/general distribution, almost every tree in affected parts of a stand.
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