Bluette White


Denomination: 'Bluette White'
Botanical Name: Petunia ×hybrida
Applicant/Holder: Dai-Ichi Seed Co., Ltd.
5-21 Katsushima
1-Chome, Shinagawa-ku
Breeder: Yoshito Koyama, Dai-Ichi Seed Co., Ltd., Tokyo, Japan
Agent in Canada: Variety Rights Management
475 County Road 18
R.R. #2
Oxford Station, Ontario
K0G 1T0
Tel: 613-258-9015
Application Date: 2005-10-05
Application Number: 05-5083
Grant of Rights Date: 2009-11-09
Certificate Number: 3676
Date rights revoked: 2014-11-09

Variety Description

Variety used for comparison: 'MP21' (Tiny Tunia White)

Summary: 'Bluette White' has a slightly shorter plant height with thinner shoots than 'MP21'. The flower diameter of 'Bluette White' is slightly smaller than 'MP21'. 'Bluette White' has less conspicuous veins on the inner side of the corolla lobe than 'MP21'. The veins on the corolla lobe of 'Bluette White' are a whitish yellow while they are yellowish green in 'MP21'. 'Bluette White' has a weaker undulation of the margin of the corolla lobe than 'MP21'. The corolla tube of 'Bluette White' is shorter and has less conspicuous veins on the inner side than in 'MP21'. 'Bluette White' has an inner corolla tube colour that is white while it is green brown to light yellow brown in 'MP21'. The anthers of 'Bluette White' are yellowish white while they are light grey in 'MP21'.


PLANT: creeping growth habit, very short to short height
SHOOT: thin, short, absent or very weak anthocyanin colouration

LEAF: elliptic to round shape, broad acute apex, no variegation, medium green, no blistering

SEPAL: linear shape, no anthocyanin colouration
FLOWER: single type, funnelform shape
COROLLA LOBE: white on inner side, absent to very weakly conspicuous whitish yellow veins on inner side
COROLLA TUBE: white inner side, absent or very weakly conspicuous veins on inner side, yellowish white anthers

Origin & Breeding History: In 1998, a cross between a female parent 'Blue Purple' and an un-named selection as the male parent was conducted in Shizuoka Prefecture, Japan. The seedlings were grown out in a trial and evaluated as a vegetative cutting line. The final selection was made in 1999. Selection criteria included small flowers, multi branching, vigorous growth habit, and reliable cutting propagation and cutting stability.

Tests & Trials: Trials were conducted during the summer of 2007 in Oxford Station, Ontario. Fifteen plants of each variety were individually grown in 15 cm pots in a poly house.

Comparison tables for 'Bluette White' with reference variety 'MP21'

Flower diameter (mm)

  'Bluette White' 'MP21'
mean 27.14 31.86
std. deviation 1.95 3.44

Corolla tube length (mm)

  'Bluette White' 'MP21'
mean 15.13 26.83
std. deviation 1.13 2.00

Corolla tube colour (RHS)

  'Bluette White' 'MP21'
inner side 155A 153D/162B

Click on image for larger view
Bluette White
Petunia: 'Bluette White' (left) with reference variety 'MP21' (right)

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