Daniel J. Royse, Ph.D.

Areas of Interest

Production efficiency of cultivated mushrooms, mushroom quality, integrated crop management

Selected Publications

Royse, D. J. 2015.  Problems and solutions in the cultivation of mushrooms (Agaricus bisporus). Pages: 46-52.  In: Proceedings of the 8th International Symposium on Mushrooms in Brazil, Sorocaba, Brazil.

Royse, D. J. 2014. A global perspective on the high five: Agaricus, Pleurotus, Lentinula, Auricularia & Flammulina. Pages 1-6, In: Manjit Singh (Ed.) Proceedings of the 8th International Conference on Mushroom Biology and Mushroom Products, New Delhi, India.

Royse, D. J. 2013. Trends in mushroom production worldwide. Pages: 38-47. In: Proceedings of the 7th International Symposium on Mushrooms in Brazil. Manaus, Brazil.

Royse, D. J., and R. B. Beelman. 2013. Six Steps to Mushroom Farming. The Pennsylvania State University, College of Agricultural Sciences, University Park, PA. http://extension.psu.edu/plants/vegetable-fruit/mushrooms/publications/guides/SixSteps.pdf

Royse, D. J. 2012. Use of spent mushroom substrate (SMS) as an ingredient in mushroom compost formulations. Mush. Sci. 18:709-713.

Romaine, C. P., and D. J. Royse. 2012. Biotechnology of mushroom production. In: Encyclopedia of Biotechnology in Agriculture and Food. Taylor and Francis.

Royse, D. J. 2010. Effects of fragmentation, supplementation and the addition of phase II compost to 2nd break compost on mushroom (Agaricus bisporus ) yield. Bioresource Technol. 101:188-192.

Rodriguez Estrada, A. E., M. del Mar Jimenez-Gasco, and D. J. Royse. 2010. Pleurotus eryngii species complex: Sequence analysis based on partial EF1 a and RPB2 genes. Fungal Biology 114:421-428.

Sanchez, J. E. and D. J. Royse. 2009. Scytalidium thermophilum -colonized grain, corncobs and chopped wheat straw substrates for the production of Agaricus bisporus. Bioresource Technol. 100:1670-1674.

Royse, D. J. and W. Chalupa. 2009. Effects of spawn, supplement, and phase II compost additions and time of re-casing second break compost on mushroom (Agaricus bisporus ) yield and biological efficiency. Bioresource Technol. 100:5277-5282.

Rodriguez Estrada, A. E., M. H. J. Lee, R. B. Beelman, M. del Mar Jimenez-Gasco, and D. J. Royse. 2009. Enhancement of the antioxidants ergothioneine and selenium in Pleurotus eryngii var. eryngii basidiomata through cultural practices. World J. Microbiol. Biotechnol. 25:1597-1607.

Rodriguez Estrada, A. E., M. del Mar Jimenez-Gasco, and D. J. Royse. 2009. Improvement of yield of Pleurotus eryngii var. eryngii by substrate supplementation and use of a casing overlay. Bioresource Technol. 100:5270-5276.

Coello-Castillo, M. M., J. E. Sanchez, and D. J. Royse. 2009. Cultivation of a brown strain of Agaricus bisporus on a substrate pre-colonized by Scytalidium thermophilum. Bioresource Technol. 100:4488-4492.

Nicholson, M. S., B. A. Bunyard, and D. J. Royse. 2009. Phylogenetic implications of restriction maps of the intergenic regions flanking the 5S ribosomal RNA gene of Lentinula species. Fungi 2(4):48-57.

Shen, Q. P. Liu, X. Wang, and D. J. Royse. 2008. Effects of substrate moisture content, log weight and filter porosity on shiitake (Lentinula edodes ) yield. Bioresource Technol. 99:8212-8216.

Royse D. J., J. E. Sanchez, R. B. Beelman, and J. Davidson. 2008. Re-supplementing and re-casing mushroom (Agaricus bisporus) compost for a second crop. World Journal Microbiology Biotechnology 24: 319-325.

Royse D. J. and J. E. Sanchez. 2008. Supplementation of first break mushroom compost with hydrolyzed protein, commercial supplements and crystalline amino acids. World Journal Microbiology Biotechnology 24: 1333-1339.

Royse D. J. and J. E. Sanchez. 2008. Supplementation of second break mushroom compost with isoleucine, leucine, valine, phenylalanine, FermentenË and SoyPlusË. World Journal Microbiology Biotechnology 24: 2011-2017.

Sanchez, J. E., L. Mejia, and D. J. Royse. 2008. Pangola grass colonized with Scytalidium thermophilum for the production of Agaricus bisporus. Bioresource Technology 99:655-662.

Mamiro, D. P. and D. J. Royse. 2008. The influence of spawn type and strain on yield, size and mushroom solids content of Agaricus bisporus produced on non-composted and spent mushroom compost. Bioresource Technology 99:3205-3212.

Dubost, N. J., R. B. Beelman, and D. J. Royse. 2007. Influence of selected cultural factors and postharvest storage on ergothioneine content of common button mushrooms (Agaricus bisporus). International J. Medicinal Mushrooms 9:163-176.

Mamiro, D. P., D. J. Royse and R. B. Beelman. 2007. Yield, size and mushroom solids content of Agaricus bisporus produced on non-composted and spent mushroom compost. World J. Microbiology Biotechnology 23:1289-1296.

Rodriguez Estrada, A. E. and D. J. Royse. 2007. Yield, size and bacterial blotch resistance of Pleurotus eryngii grown on cottonseed hulls/oak sawdust supplemented with manganese, copper and whole ground soybean. Bioresource Technology 98:1898-1906.

Royse, D. J., and J. E. Sanchez. 2007. Ground wheat straw as a substitute for portions of oak wood chips used in shiitake (Lentinula edodes) substrate formulae. Bioresource Technology 98:2137-2141.

Beelman, R. B. and D. J. Royse. 2006. Selenium enrichment of Pleurotus cornucopiae (Paulet) Rolland and Grifola frondosa (Dicks.:Fr.) S. F. Gray mushrooms. International J. Medicinal Mushrooms 8:77-84.

Dubost, N. J., R. B. Beelman, D. Peterson, and D. J. Royse. 2006. Identification and quantification of ergothioneine in cultivated mushrooms by liquid chromatography-mass spectroscopy. International J. Medicinal Mushrooms 8:215-222.