Hans E. Gruen

• Action spectra for the positive and negative phototropism of phycomyces sporangiophores
• Distribution of cellular carbohydrates during development of the mycelium and fruitbodies of Flammulina velutipes
• Growth and development of isolated Phycomyces sporangiophores
• Growth of isolated Phycomyces sporangiophores on nutrient media and simple sugars
• Growth regulation in fruit bodies of Agaricus bisporus
• Mushroom growing in Japan
• Promotion of stipe elongation in isolated Flammulina velutipes fruit bodies by carbohydrates, natural extracts, and amino acids
• Regeneration on Phycomyces sporangiophores
• The growth and curvature of Phycomyces sporangiophores