Shiitake mushroom named ‘HS911’

Abstract

A new variety of shiitake mushroom ‘HS911’ that has a medium growth rate, medium to small-size scales, a slender stipe, and a very light dry weight at harvest maturity.

Claims

1. A new and distinct variety of shiitake mushroom named ‘HS911’, substantially as described and illustrated herein.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) In the accompanying drawings, which are as nearly true as is reasonable possible to make in a color illustration of this type:

(2) FIG. 1A is a color photograph showing a top surface of fruiting bodies of ‘HS911’;

(3) FIGS. 1B and 1C are color photographs showing a top surface of fruiting bodies of ‘Hokken 600 go’ and ‘HS73’ for comparison purposes;

(4) FIG. 2A is a color photograph showing a bottom surface and stem of fruiting bodies of ‘HS911’;

(5) FIGS. 2B and 2C are color photographs showing a bottom surface of fruiting bodies of ‘Hokken 600 go’ and ‘HS73’ for comparison purposes;

(6) FIG. 3A is a color photograph showing a side view in cross-section of fruiting bodies of ‘HS911’;

(7) FIGS. 3B and 3C are color photographs showing a side view in cross-section of fruiting bodies of ‘Hokken 600 go’ and ‘HS73’ for comparison purposes;

(8) FIG. 4A is a color photograph showing fruiting bodies on culturing beds of ‘HS911’;

(9) FIGS. 4B and 4C are color photographs showing fruiting bodies on culturing beds of ‘Hokken 600 go’ and ‘HS73’ for comparison purposes;

(10) FIGS. 5A and 5B are color photographs showing a top surface, and a side view in cross-section, respectively, of fruiting bodies of parent ‘HS788’;

(11) FIGS. 6A and 6B are color photographs showing a top surface, and a bottom surface, respectively, of fruiting bodies of parent ‘HL8516’.

(12) Due to chemical and/or digital development, processing and printing, the plants or portions of plants depicted in the photographs may or may not be precisely accurate, when compared to the actual botanical specimens.

DETAILED DESCRIPTION OF THE INVENTION

(13) The botanical description and the photographs are of the ‘HS911’ plants at 146 days from sowing (and for the comparative plants: ‘Hokken 600 go’ at 110 days from sowing and ‘HK73’ at 117 days from sowing). Values as provided are averages.

(14) The plants shown on the photographs were grown in Shimotsuga-gun, Tochigi, Japan.

(15) Colors are given according to The R.H.S. Color Chart, Sixth Edition (2015).

BOTANICAL DESCRIPTION

(16) Optimum temperature for mycelial growth: 26° C. Temperature of mycelial growth: 10° C.—1.38 mm/day. 15° C.—2.68 mm/day. 20° C.—3.64 mm/day. 25° C.—4.55 mm/day. 30° C.—2.82 mm/day. Shape of vertical cross-section (top): Round. Diameter of cap: 85.60 mm. Main color of apex: Moderate brown (RHS 200D). Thickness of cap: 20.87 mm. Firmness of cap: 0.81 N. Arrangement of scales on cap: Periphery. Size of scales: 4.02 mm. Color of scales: Pale orange yellow (RHS 159B). Gills in cap: Present (the gills are the hymenophore). Shape of gills: Separate from stipe. Arrangement of gills: Ripple. Width of gills: 2.03 mm. Color of gills: Pale orange yellow (RHS 159C). Shape of stipe: Broader toward cap. Length of stipe: 68.92 mm. Thickness of stipe: 20.41 mm. Color of stipe: Light yellowish pink (RHS 27A). Firmness of stipe: 0.89 N. Tinting of stipe: Present. Presence of fluff: Present. Period from inoculation to fruiting: 135 days. Period from fruiting induction to harvest: 12 days. Dry weight at maturity: 5.90 g.