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Primary Examiner: Bagwill, Robert E.
Assistant Examiner:
Attorney: Haseltine, Lake & Waters

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Title: Method of artificially growing edible fungi

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Claims: What we claim is:

1. A method for artificially growing shiitake or hiratake comprising the steps of setting the edible fungus sporiferous source in a nutrient medium, culturing the inoculated original hypha in a cultivation room at a temperature of from 18.degree. to 20.degree. C and 60% relative humidity wherein the surface of the nutrient medium is illuminated at a luminous intensity of 30 to 50 lux until the hypha become prevalent over the nutrient medium surface, and subjecting the prevalent hypha to a high temperature treatment at between 25.degree. to 32.degree. C for 24 to 48 hours and then to a low temperature treatment at between 5.degree. to 8.degree. for 3 to 5 days, wherein during the high and low temperature treatments of the prevalent hypha the surface of the nutrient medium were illuminated at a luminous intensity of 100 to 120 lux and oxygen is forcibly supplied into a polyethylene sack accomodating the nutrient medium when the medium is taken out together with the sack from a cultivation vessel and dipping the nutrient medium into water at a temperature of from 3.degree. to 6.degree. C for 24 to 48 hours and then placing the hypha in a room at 10.degree. to 16.degree. C having a relative humidity of 90% and recovering the fungus.

2. The method of artificially growing edible fungi according to claim 1, wherein the high temperature treatment is carried out at a temperature of 25.degree. to 28.degree. C.

3. The method of artificially growing edible fungi according to claim 1, wherein a nutrient medium chiefly composed of bagasse and containing sawdust and other nutritive sources is used for the cultivation.

4. The method of artificially growing edible fungi according to claim 1, wherein a nutrient medium composed of sawdust and rice bran is used for the cultivation.

Other info:

Inventors: Iizuka, Chiyokichi
Takeuchi, Masaru

Application Number: 777841
Filing Date: 1977-03-15
Publication_date: 1978-02-07
Assignee:
Primary Class(es): 47/1.1 71/5
Other Classes:
US Patent Ref:

1833089	Nov, 1931	Morimoto	71/5.
2723493	Nov, 1955	Stoller	47/1.
2851821	Sep, 1958	Guichon	47/1.
3335521	Aug, 1967	Sohm	47/1.

Other Refs: Other References: Principles & Problems . . . , Lambert Botanical Review, July 1938, pp. 397-412.
Ein betrag . . . , Zadrazil et al., Der Champignon, Feb. 1973, pp. 17, 27, 30, 31.