Abstract

Seed of Pinus sylvestris L. was examined for fungi from pollination to 2 years of storage. Sclerophoma pythiophila Hohn. (syn. Dothichiza pythiophila (Cda) Petrak) constituted practically the entire mycoflora of seed in unripe cones on the trees, in some cases being isolated from up to 98 % of the seeds. The mycoflora of the seeds changed markedly during cone drying and seed extraction. During storage there was an increase in the frequency of isolation of typical storage fungi, such as Penicillium spp. The flora of different batches of stored seed was similar, despite occasional marked differences before extraction. There was evidence that the initial inoculum of the storage flora came from the extraction unit and the population was subsequently governed by the physical conditions of storage.

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