Title:
TREE SEED SELECTING METHOD USING NEAR INFRARED LIGHT
Document Type and Number:
WIPO Patent Application WO/2016/084452
Kind Code:
A1
Abstract:
Provided is a conifer seed selecting method for identifying and selecting only conifer seeds which have a normal embryo, from a mixture, of an identical species, of conifer seeds some having a normal embryo and some not having a normal embryo, the method comprising the steps of: (a) irradiating the seeds with near infrared light, measuring the spectrum of near infrared light reflected from each seed, and obtaining data of reflectance at each wavelength; (b) extracting, for each seed, data of reflectances at two specific wavelengths within a range of 750 to 2200 nm; (c) calculating, for each seed, the ratio between the extracted reflectances; and (d) comparing the ratio calculated in (c) with a threshold for the ratio of reflectances at the two specific wavelengths for determining whether the seed has a normal embryo, wherein (i) when there is a tendency that the ratio is lower than or equal to the threshold in a seed having a normal embryo, a seed having the ratio lower than or equal to the threshold is identified as a seed having a normal embryo, and (ii) when there is a tendency that the ratio is greater than the threshold in a seed having a normal embryo, a seed having the ratio greater than the threshold is identified as a seed having a normal embryo.
Inventors:
HARA MASASHI (JP)
MATSUDA OSAMU (JP)
UEMURA AKIRA (JP)
UTSUGI HAJIME (JP)
TOBITA HIROYUKI (JP)
MATSUDA OSAMU (JP)
UEMURA AKIRA (JP)
UTSUGI HAJIME (JP)
TOBITA HIROYUKI (JP)
Application Number:
PCT/JP2015/075168
Publication Date:
June 02, 2016
Filing Date:
September 04, 2015
Export Citation:
Assignee:
SUMITOMO FORESTRY (JP)
UNIV KYUSHU NAT UNIV CORP (JP)
FORESTRY & FOREST PROD RES INS (JP)
UNIV KYUSHU NAT UNIV CORP (JP)
FORESTRY & FOREST PROD RES INS (JP)
International Classes:
A01C1/00; G01N21/359
Domestic Patent References:
| WO2010000266A1 | 2010-01-07 |
Foreign References:
| JPS5315890A | 1978-02-14 | |||
| JPS6428544A | 1989-01-31 | |||
| JPH01301147A | 1989-12-05 | |||
| US20130229647A1 | 2013-09-05 | |||
| US20040055211A1 | 2004-03-25 | |||
| JPH10257803A | 1998-09-29 |
Other References:
OSAMU MATSUDA ET AL.: "Determination of Seed Soundness in Conifers Cryptomeria japonica and Chamaecyparis obtusa Using Narrow-Multiband Spectral Imaging in the Short-Wavelength Infrared Range", PLOS ONE, 17 June 2015 (2015-06-17), XP055446064, Retrieved from the Internet [retrieved on 20151113]
See also references of EP 3225089A4
See also references of EP 3225089A4
Attorney, Agent or Firm:
ASAMURA PATENT OFFICE, p. c. (JP)
Patent business corporation Asamura patent firm (JP)
Patent business corporation Asamura patent firm (JP)
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