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Denomination: 'Fukukasumi'
Previously Proposed Denomination: 'TA-1'
Botanical Name: Glycine max
Applicant/Holder: Takano Foods Co., Ltd.
1542 Noda
Higashi-ibaraki-gun, Ibaraki-pre
Breeder: Yoshihiko Uematsu, Takano Foods Co., Ltd., Ogawa, Japan
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Tel: 519-317-7511
Application Date: 2006-03-22
Application Number: 06-5389
Grant of Rights Date: 2008-11-21
Certificate Number: 3405
Exemption from compulsory licensing: Yes
Expiry date for exemption from compulsory licensing: 2010-11-21
Date rights surrendered: 2012-01-16

Variety Description

Varieties used for comparison: 'Suzumaru' and 'Natto 3'

Summary: 'Fukukasumi' flowers later than 'Suzumaru'. The plant maturity of 'Fukukasumi' is later than 'Suzumaru' but earlier than 'Natto 3'. 'Fukukasumi' has tawny hair colour on the middle third of the main stem while it is grey in 'Natto 3'. The plants of 'Fukukasumi' are slightly taller than 'Suzumaru' but shorter than 'Natto 3'. 'Fukukasumi' has a brown pod colour while it is tan in 'Natto 3'. The seed of 'Fukukasumi' is smaller than 'Suzumaru'. 'Fukukasumi' has a lighter 100 seed weight than 'Suzumaru'.


PLANT: determinate growth type, erect to semi-erect growth habit, tawny coloured hairs on middle third of stem, strong intensity of anthocyanin colouration of the hypocotyl, maturity group 1, heat unit rating 3000

LEAF: medium to dark green, lateral leaflet pointed-ovate shape, medium to strong blistering

FLOWER: purple

POD: brown
SEED: spherical rounded shape, very small size, shiny seed coat lustre, small yellow hilum, lacking abscission layer

AGRONOMICS: good resistance to shattering and lodging

Origin & Breeding History: 'Fukukasumi' (experimental designation TA-1) was developed by the breeder, Yoshihiko Uematsu, Takano Foods Co. Ltd., Ibaraki, Japan. The new variety is the result of a controlled cross made in 1997 at Gunma field of Takano Foods Co., Ltd., in Maebashi, Gunma-pref., Japan between the female parent 'Suzuhime' and the male parent 'Suzumari'. The F1 seed was harvested in November 1997 and sown in April 1998. The F2 seed was harvested in July 1998 and sown in August 1998. Using the pedigree breeding method, F2 plant selections were made in August-November 1998. A repeated selection of each generation continued until the F11 generation with 'TA-1' being selected in 2003. Selection criteria included early maturity, small seed size, high yield, lodging resistance and processing suitability. Agronomic performance testing occurred in Illinois, USA from 2002-2005.

Tests & Trials: Trials were conducted during the summers of 2006 and 2007 in St. Thomas, Ontario. In 2006, plots consisted of 2 rows, each 5 meters in length. There were 2 replicates arranged in an RCB design. In 2007, plots consisted of 3 rows, each 4 meters in length. There were 2 replicates arranged in an RCB design.

Comparison tables for 'Fukukasumi' with reference varieties 'Suzumaru' and 'Natto 3'

Days to flowering

  'Fukukasumi' 'Suzumaru' 'Natto 3'
2006 31 27 30
2007 64 58 66

Plant height (cm)

  'Fukukasumi' 'Suzumaru' 'Natto 3'
mean 2006 55.7 48.6 75.8
std. deviation 5.05 4.55 5.80
mean 2007 58.0 51.3 73.1
std. deviation 4.75 6.83 3.09

Seeds weight (gm) (100 seeds)

  'Fukukasumi' 'Suzumaru' 'Natto 3'
mean 2006 9.8 13.5 8.9
mean 2007 8.9 14.3 8.1

Days to maturity

  'Fukukasumi' 'Suzumaru' 'Natto 3'
mean 2006 114 109 125
mean 2007 126 121 134

Click on image for larger view
Soybean: 'Fukukasumi' (left) with reference varieties 'Suzumaru' (center) and 'Natto 3' (right)

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