PESTS AND DISEASES OF FORESTRY IN NEW ZEALAND
Symptoms observed in July
Needle diseases of radiata pine in New Zealand
<<Back to Key to identifying needle diseases
Dothistroma needle blight occurs all year, but first appears on current foliage about December.
Physiological needle blight occurs from June to November.
Red needle cast occurs from April to October
2. Narrow by:
Tree age
From planting to fifteen years



