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


SUITABILITY OF DIFFERENT PEAT TYPES FOR THE FORMULATION OF CASING SOILS, AND THEIR INFLUENCE ON YIELD AND AVERAGE WEIGHT OF THE SPOROPHORES IN CULTIVATED MUSHROOM (AGARICUS BISPORUS)

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


Summary

Four experimental cycles were conducted over the period 1996-1998 in a controlled environment cropping room. Four peat types differing in the extent of degradation were chosen for preparing the casing soils according to following criteria: availability, application scale in the Polish mushroom industry, and growing requirements of mushroom hybrid cultivars producing small sporophores. Considering the mushroom yield no significant differences have been proved in the experiment between particular peat types applied, however, the opposite having been found in relation to the weight of sporophores. Mushrooms harvested from a strongly decomposed peat were heavier by 3.6 g as compared to those obtained from weakly decomposed peat. In cultivating mushroom for fresh market a "heavy" casing soil can be recommended, while for processing purposes high peat ought to be preferred. Peats gained locally have to be checked for their possible contamination with Mycogone pemiciosa, Dactylium dendroides and Trichoderma ssp.

keywords:cultivated mushroom, peat, casing soil, yield, quality

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