Kyuikukan 3
| Denomination: | 'Kyuikukan 3' |
|---|---|
| Trade name: | Desana Lime |
| Botanical Name: | Ipomoea batatas |
| Applicant/Holder: |
National Agriculture and Food Research Organization 3-1-1, Kannondai, Tsukuba-shi Ibaraki 305-8517 Japan Suntory Flowers Limited Administrative Division 4-17-5 Shiba, Minato-ku Tokyo 108-0014 Japan Tel: +81-3-5419-1382 |
| Breeder: |
Yasuhiro Takahata, Suntory Flowers Limited, Miyazaki, Japan Masaru Yoshinaga, Suntory Flowers Limited, Miyazaki, Japan Hiroki Nakayama, Suntory Flowers Limited, Miyazaki, Japan Masaru Tanaka, Suntory Flowers Limited, Miyazaki, Japan Yoshinori Nakazawa, Suntory Flowers Limited, Kumamoto, Japan Toru Kumagai, Suntory Flowers Limited, Ibaraki, Japan Yumi Kai, Suntory Flowers Limited, Miyazaki, Japan Kenji Katayama, Suntory Flowers Limited, Miyazaki, Japan Tetsufumi Sakai, Suntory Flowers Limited, Miyazaki, Japan Kazunari Iwaki, Suntory Flowers Limited, Shiga, Japan Yasuyuki Murakami, Suntory Flowers Limited, Shiga, Japan |
| Agent in Canada: |
BioFlora Inc. 38723 Fingal Line R.R. #1 St. Thomas, Ontario N5P 3S5 Canada Tel: 519-317-7511 |
| Application Date: | 2007-03-30 |
| Application Number: | 07-5829 |
| Grant of Rights Date: | 2010-09-23 |
| Certificate Number: | 3953 |
| Grant of Rights Termination Date: | 2028-09-23 |
Variety Description
Varieties used for comparison: 'Sweet Caroline Sweetheart Light Green' and 'Seki Lim' (Sidekick Lime)
Summary: The plant growth habit of 'Kyuikukan 3' is spreading/trailing while it is upright bushy to spreading/trailing for 'Sweet Caroline Sweetheart Light Green' and compact bushy to spreading for 'Seki Lim'. 'Kyuikukan 3' has broader plants with longer internodes and broader leaf blades than both reference varieties. The leaf blades of 'Kyuikukan 3' are longer than those of 'Sweet Caroline Sweetheart Light Green'. The shape of the base of the leaf blade of 'Kyuikukan 3' is cordate or weakly hastate while it is cordate for 'Sweet Caroline Sweetheart Light Green' and cordate or weakly auriculate for 'Seki Lim'. The leaf blades of 'Kyuikukan 3' are lobed while those of 'Sweet Caroline Sweetheart Light Green' are not. The lower side of the midrib and petiole of 'Kyuikukan 3' have no anthocyanin colouration whereas those of 'Seki Lim' have strong anthocyanin.
Description:
PLANT: vegetatively propagated, annual, spreading/trailing growth habit
STEM: light green, absent to weak anthocyanin colouration, sparse pubescence, medium thickness, smooth
LEAF: alternate arrangement along stem, simple
LEAF BLADE: cordate shape, acuminate apex, cordate or weakly hastate base, lobed, shallow to medium deep incisions between mostly pointed lobes, very fine inconspicuous hairs of moderate density on upper and lower sides, no variegation, upper side is light green (RHS 144B) changing to darker green (RHS 145A) at maturity, lower side is brown green (RHS 146D) at maturity
MIDRIB: upper side has no anthocyanin colouration initially but develops colouration of moderate intensity at maturity, no anthocyanin colouration on lower side
PETIOLE: weak anthocyanin colouration on upper side, no anthocyanin colouration on lower side
Origin & Breeding History: 'Kyuikukan 3' originated from a cross between the female parent variety 'Sweet Garden' and the male parent variety 'Sweet Line'. The cross was conducted in June 2001 at the Miyakonojo Upland Farming Research Station National Agricultural Reseach Center for Kyushu Okinawa Region in Miyakonojo-shi, Miyazaki, Japan. The resultant seedlings were grown in pots in a glasshouse and evaluated. One seedling was selected based on its leaf colour and growth habit, propagated by cutting and planted in pots to be trialed in Miyakonojo-shi in Miyazaki, Japan and at the Omi R&D Center of Suntory Flowers Ltd. located in Higashiomi-shi, Shiga-ken, Japan during 2002. The botanical characteristics of this seedling were examined and compared to similar varieties 'Sweet Caroline Light Green' and 'Sweet Caroline Bronze'. It was concluded that this Ipomoea plant named 'Kyuikukan 3' is distinguishable from any other varieties, and uniform and stable in its characteristics.
Tests & Trials: The trial of 'Kyuikukan 3' was conducted in a polyhouse during the summer of 2009 at BioFlora Inc. in St. Thomas, Ontario. It included 15 plants of each variety. All plants were grown from rooted cuttings transplanted into 15 cm pots on August 21, 2009. Most observations and measurements were taken from 10 plants or parts of plants of each variety on October 6, 2009. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.
Comparison tables for 'Kyuikukan 3' with reference varieties 'Sweet Caroline Sweetheart Light Green' and 'Seki Lim'
Plant width (cm)
| 'Kyuikukan 3' | 'Sweet Caroline Sweetheart Light Green' | 'Seki Lim' | |
|---|---|---|---|
| mean | 53.7 | 32.1 | 33.1 |
| std. deviation | 7.87 | 2.03 | 2.26 |
Internode length (cm)
| 'Kyuikukan 3' | 'Sweet Caroline Sweetheart Light Green' | 'Seki Lim' | |
|---|---|---|---|
| mean | 3.2 | 1.1 | 1.3 |
| std. deviation | 0.99 | 0.29 | 0.34 |
Leaf blade length (cm)
| 'Kyuikukan 3' | 'Sweet Caroline Sweetheart Light Green' | 'Seki Lim' | |
|---|---|---|---|
| mean | 9.6 | 7.5 | 8.8 |
| std. deviation | 0.75 | 0.71 | 0.77 |
Leaf blade width (cm)
| 'Kyuikukan 3' | 'Sweet Caroline Sweetheart Light Green' | 'Seki Lim' | |
|---|---|---|---|
| mean | 8.9 | 7.0 | 6.9 |
| std. deviation | 0.68 | 0.51 | 0.30 |
Click on image for larger view
Sweet Potato: 'Kyuikukan 3' (left) with reference varieties 'Sweet Caroline Sweetheart Light Green' (centre) and 'Seki Lim' (right)
Click on image for larger view
Sweet Potato: 'Kyuikukan 3' (left) with reference varieties 'Sweet Caroline Sweetheart Light Green' (centre) and 'Seki Lim' (right)
Click on image for larger view
Sweet Potato: 'Kyuikukan 3' (left) with reference varieties 'Sweet Caroline Sweetheart Light Green' (centre) and 'Seki Lim' (right)
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