The effect of some microphagous saprobic nematodes on mushroom culture |
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Authors: | J J HESLING |
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Institution: | Glasshouse Crops Research Institute, Littlehampton, Sussex |
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Abstract: | When added to spawned mushroom compost the microphagous saprobic nematodes Pelodera cylindrica, Mesorhabditis spiculigera and Acrobeloides bütschlii did not affect mycelial growth or compost pH. The eelworms multiplied at first but their numbers declined as the mycelium colonized the compost. In contrast, the fungal-feeding Aphelenchoides composticola increased rapidly and destroyed the mycelium. Excess water, and the presence of the fungal competitor of mushroom, Chaetomium olivaceum, allowed some increase of the microphagous forms. Different numbers of Mesorhabditis spiculigera added to the ‘casing’ had no effect on mushroom yield but the mushroom ‘flushes’ seemed less pronounced. Reasons for the failure of the saprobic eelworms to affect mushroom, and the possibility of synergistic pathogenicity by these eelworms and bacteria, are discussed. |
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