Abstract Portions of 2 Pennsylvania, USA, Pinus sylvestris Christmas tree plantations, each
of a different provenance, were left untreated or treated repeatedly with fungicide …

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Fifteen forests totalling 70 000 ha of Pinus radiata D. Don were surveyed for Cyclaneusma
needle-cast in 1983, 1984, and 1985. Disease severity was highest in the 11-to 20-year-old …

Cyclaneusma needlecast, which can damage Scots pine, is becoming increasingly
important in the Lake States. The complex life cycle of the fungus has hindered the …

Rooted cuttings of 3 clones and greenhouse-grown seedlings of P. radiata were inoculated
with ascospores or mycelia of C. minus and kept for 3 months in growth rooms at different …

ABSTRACT" Spring needle-cast"(SNC) is an undiagnosed disease ofPinus radiataD. Don
which causes a rapid browning and collapse of mesophyll tissues of 1-year-old needles in …

Hulbary both cause severe defoliation of pine trees on some sites. Cyclaneusma affects one-
year-old foliage, is most severe after a mild wet winter, and is most common on 11-to 20 …

Green needles of 7-9-year-old Pinus radiata trees at a plantation in Sunny Corner, New
South Wales, have been infected primarily by two species of fungi, Cyclaneusma minus and …

Summary Cyclaneusma Needle Cast is associated with the fungal pathogen Cyclaneusma
minus. The disease has led to significant losses of Pinus radiata production in New Zealand …

This review is funded by the Forest Biosecurity Research Council and written for the New
Zealand forest industry. It summarises results of research in New Zealand on needle …