Volume 16 Part 1 Article 76: Use of Spent Mushroom Compost as a Substrate for Plant Growth and Against Plant Infections Caused by Phytophthora spp.

Volume 16 Part 1 Article 76
Year 2004
Title: Use of Spent Mushroom Compost as a Substrate for Plant Growth and Against Plant Infections Caused by Phytophthora spp.
Authors: A. Philippoussis, G.I. Zervakis, P. Diamantopoulou, K. Papadopoulou and C. Ehaliotis

Abstract:

Spent mushroom compost (SMC), the byproduct of the commercial cultivation of Agaricus bisporus, has received considerable attention regarding its reuse and valorization. SMC as a 25% and 50% (v/v) ration with peat was examined as a substrate for the growth of tomato and lupin plants. In addition, SMC was evaluated for its suppressiveness against the soil-borne pathogens, Phytophthora cinammomi on lupin, and P. nicotianae on tomato. Results showed that SMC amendments increased the growth of tomato and lupin when compared to a fertilized peat-based control. In lupin, shoot dry matter content was slightly higher than the control treatment when SMC was used at a rate of 25% (v/v). For both plant species, growth was superior when seed was sown one month after the potting mixtures were prepared than when the seed was sown in freshly prepared mix. Concerning suppressiveness, significantly lower infection rates of lupin by P. cinammomi were observed only for the late-sowing treatment, whereas no infection was observed in the 50% SMC medium for P. nicotianae on tomato.

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