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Symptoms and morphology of Lecanosticta acicola (a) Rapid defoliation of P. nigra caused by L. acicola over a six-month period in Slovenia (Photo by D. Jurc, Slovenian Forestry Institute) (b) acervuli of L. acicola on P. mugo (Photo by Thomas Cech, BFW) (c) L. acicola conidia × 400 (Photo by H. Bragança, Instituto Nacional de Investigação Agrária e Veterinária).
