Effect of liquid mycelial culture used as a spawn on sawdust cultivation of shiitake (Lentinula edodes) |
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Authors: | Genshiro Kawai Hiroe Kobayashi Yaichi Fukushima Katsumichi Ohsaki |
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Affiliation: | (1) Research and Development Division, Kikkoman Corporation, Noda, 278 Chiba, Japan;(2) Production Engineering Department, Kikkoman Corporation, Noda, 278 Chiba, Japan |
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Abstract: | Mycelium of shiitake (Lentinula edodes) was cultured continuously in liquid medium. The liquid culture was carried out for the production of liquid spawn in the cultivation of this mushroom on synthetic sawdust substrate, and its performance was compared with that of the solid spawn. The initial colonization in culture bags was faster with the solid spawn than with the liquid spawn, but after this stage CO2 production was higher with the liquid spawn than with the solid spawn. For harvesting sufficient amount of good quality mushrooms, 120 d of incubation in bags was needed with the solid spawn, but this was reduced to 90 d for the sawdust blocks using liquid spawn of less than 50 d old. If continuous culture of the liquid spawn was prolonged over 50 d, immature fruit-bodies or their initials formed during the period of bag incubation. The solid subcultures of the liquid spawns retained the fruiting characteristics acquired in the liquid culture. Liquid culture could be a useful tool for breeding of mushrooms. |
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Keywords: | breeding early fruiting Lentinula edodes liquid spawn shiitake |
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