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VCRB :: Contents of Volume 51/1999 :: Detailed information


QUANTITATIVE ASSESSMENT OF MUSHROOM (AGARICUS BISPORUS LANGE, IMBACH) BASIDIOSPORES AS POTENTIAL VECTORS OF VIRUSES AT A LARGE MUSHROOM FARM

Jędrzej MASZKIEWICZ
Research Institute of Vegetable Crops Konstytucji 3 Maja 1/3, 96-100 Skierniewice, Poland


Summary

The studies aiming at determination the number ofbasidiospores in a large mushroom farm during the period of sporophores collection have been conducted in 1980-1981 in former Experimental Station of Edible Fungi, Skierniewice. At the time when the mushroom production of the whole plant was stopped for disinfecting purposes, the number of mushroom spores emitted by outside-purchased fruit bodies has been investigated too. Basidiospores were collected everyday on vaseline coated microscopic slides. The results are presented as the basidiospores number � cm-2 of slide per 24 hours. During the experiment, the high number of basidiospores was discovered in a production unit. It ranged from 20 to 8000 spore pcs � cm-2 per 24 hours. Mushroom spores were also present in a large amount in the communication corridor as well as in the loading passage. The mushroom purchased from various producers also discharged considerable amount of spores over the threshold value for virus disease development. The results obtained from the experiment showed that both mushroom production and sporophore purchase by the same farm - should be avoided.

keywords:mushroom, mushroom virus disease

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