• Title/Summary/Keyword: 교배실생

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Breeding of a New Asiatic Lily 'Onnuri' for Cut and Pot Flower (절화 및 분화용 아시아틱 나리 '온누리' 육성)

  • Jin, Sung-Yong;Kim, Hee-Jun;Choi, So-Ra;Lee, Jin-Jae;Cho, Hong-Ki;Jang, Ik;Kim, Jeong-Man;Jeong, Jong-Seong
    • FLOWER RESEARCH JOURNAL
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    • v.18 no.3
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    • pp.207-210
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    • 2010
  • An Asiatic lily (Lilium spp.) cultivar 'Onnuri' for cut and pot flower was developed in 2006 at Jeollabukdo Agricultural Research & Extension Services, Iksan, Korea. The cross was made in 1999 between 'Avignon', orange colored, and 'Nove Cento', yellow colored. A line was preliminarily selected as 'A99-6-48' by reason of stable flower color and shape among germinated seedlings. It had been multiplicated through in vitro culture and then bulbed on field during 2002~2003. After characteristics were investigated from 2004 to 2005, finally it was named as an 'Onnuri' in 2006. Flower of 'Onnuri' belongs to orange-red group with its center shown orange group. Plant height is 92.8 cm, flower size is medium as 13.8 cm. Stigma color is red-brown and blooming direction is upward-facing. Flowering time is mid-June.

'Arirang', Early-flowering Pure White Gladiolus with Purple Core (조생 순백색 자주 화심 글라디올러스 '아리랑')

  • Cho, Hae Ryong;Rhee, Hye Kyung;Lim, Jin Hee
    • FLOWER RESEARCH JOURNAL
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    • v.18 no.2
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    • pp.142-146
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    • 2010
  • 'Arirang', an early-flowering pure white gladiolus with purple core, was released by the National Institute of Horticultural & Herbal Science (NIHHS) in 1998. The selection was derived from the cross between the progenies of the early flowering dark orange 'Arianne' and bright red domestic cultivars 'Hongkwang'. The breeding was conducted in 1993 and finally selected in 1998 after five (5) years (1994 to 1998) of experimentation. 'Arirang' is a cut flower with bright white color petals and purple core which exhibited early flowering and vigor without stem bending. These can be cultivated in areas or regions with strong winds during summer. 'Arirang' has a very firm growth form and sturdy branches which do not bend when planted in the open fields. Likewise, the plant had high tolerance to flooding and resistance hence could grow vigorously in open areas. It is a fast- growing plant which exhibits high corm production rate. 'Arirang' had a 10.5 cm wide flower and 140 cm plant height. During summer, the average number of days to flowering was recorded at 75 days of 'Arirang'. Top dressing must be conducted once or twice during corm production to enhance corm quality and quantity.

Cymbidium 'Honey Girl' with White Color and Medium Plant Size (중형 백색계 다화성 심비디움 'Honey Girl' 육성)

  • Kim, Mi-Seon;Cho, Hae-Ryong;Lee, Hye-Kyung;Lim, Jin-Hee;Choi, Sung-Yul;Kim, Young-Jin
    • FLOWER RESEARCH JOURNAL
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    • v.16 no.4
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    • pp.291-294
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    • 2008
  • Cymbidium 'Honey Girl' was developed in 2005 by the National Horticultural Research Institute, Rural Development Administration. This cultivar came from cross between Cym. 'Yakoto' and Cym. 'Marian Simplicity' in 1995. Fifty seven seedlings were obtained after planting and acclimatization in green house. In 1999, a line was selected by its performance such as flower color, leaf shape, flower stalk, and vigorous growth which was named 'Wongyo F1-13'. The line code '9521928'($V_2$) had uniformity and excellent characteristics. The selected line was named as 'Honey Girl' after second characteristics test. This cultivar had white color ('WN 155B') and medium sized leaves and flowers (average leaf length is about 57 cm and width of flower is about 7.7cm) with many flowers and erect flower stalks. Blooming begins from the end of November to December under the normal culture conditions.

A New Cultivar Cymbidium 'White Princess' with White Color and Vigorous Growth (생육이 강한 대형 백색계 심비디움 'White Princess' 육성)

  • Kim, Mi-Seon;Cho, Hae-Ryong;Lee, Hye-Kyung;Lim, Jin-Hee;Choi, Sung-Yul;Kim, Young-Jin
    • FLOWER RESEARCH JOURNAL
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    • v.16 no.4
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    • pp.295-298
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    • 2008
  • A new Cymbidium cultivar 'White Princess' was released by the National Horticultural Research Institute (NHRI) in 2005. A cross was made in 1995 between 'Cymbidium 2113', light purple colored petal and medium plant sized variety, and 'Lucky Rainbow Randevous', a dark purple petal with red lip and large type variety. The ninety progenies were obtained after planting and acclimatization in green house. In 2000, a line (9526747) was selected and multipliticed after test of its flower color, leaf shape, flower stalk, and vigorous growing habit. After evaluation trial for two growing seasons, the selected line was named as 'White Princess'. The 'White Princess' has white petals (WN 155A) with red lip (RP59D) color and large sized leaves, and flowers (leaf length is about 88 cm and flower diameter is about 8 cm) with semi-erect flower stalks. Blooming started from December to January in optimal culture conditions. High temperature (more than $30^{\circ}C$) and low light intensity(less than 10,000Lux) should be avoided for the appropriate growth.

'Chosi', Early Maturing Sweet Persimmon (Diospyros kaki Thunb.) for 'Chuseok' (조생종 추석용 단감 '초시' 육성)

  • Ma, Kyeong-Bok;Cho, Kwang-Sik;Kang, Sam-Seok;Kim, Yoon-Kyeong;Hwang, Hae-Sung;Choi, Jang-Jeon;Han, Jeom-Hwa
    • Korean Journal of Breeding Science
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    • v.51 no.4
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    • pp.424-427
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    • 2019
  • A persimmon (Diospyros kaki L. Thunb.) cultivar, 'Chosi', which was a cross between 'Johongsi' and 'Nishimurawase' in 2000, was finally selected in 2010. 'Chosi' persimmon fruits were harvested in Sept. 19 in Naju, with a medium fruit size of 161 g, on average, and high soluble solids of approximately 15.3 °Bx. The flesh tastes good, with a crispy texture, and the juice is rich. The shape of the fruit is round oblate, and the skin color is orange; the appearance is graceful. Physiological disorders, such as stylar-end cracking or skin fine cracking, rarely occur in this cultivar. (Registration No. 7075)

'Jinmi', a High-sugar, Mid- to Late-maturing, White-fleshed Peach (중만생, 고당도 백육계 복숭아 '진미(珍美)')

  • Kang, Sang-Jo;Chung, Kyeong-Ho;Jun, Ji-Hyae;Kim, Ho-Yeol;Kim, Whee-Cheon;Lee, Don-Kyun
    • Horticultural Science & Technology
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    • v.17 no.1
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    • pp.19-20
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    • 1999
  • 'Jinmi' was released by National Horticultural Research Institute in 1998 as a white-fleshed, mid- to late-maturing, and clingstone peach variety, which originated from the crossing of 'Hakuho' and 'Nunomewase' in 1982. The selection was tested for regional adaptability as 'Wonkyo Da-09' at 5 areas for 4 years from 1995. Fruits mature 5 to 7 days before 'Yumyeong' and have high sugar content, above $13.0^oBx$.

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A New Phalaenopsis Cultivar 'Jaha' with Large Purple Petal (적색대륜계 팔레놉시스 신품종 '자하' 육성)

  • Park, Young Su;Lim, Sung Hee;Lee, Sang Deok;Park, In Tae
    • FLOWER RESEARCH JOURNAL
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    • v.17 no.3
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    • pp.205-207
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    • 2009
  • A new cultivar of Phalaenopsis 'Jaha' was developed at Cactus Research Institute, Gyeonggido A.R.E.S in 2006. A crossing between 'KYP74', a pink flower with red lip and 'KYP88', light pink colored flower in 1999 was obtained 264 seedlings. 'Jaha' was finally selected through the test of characteristics from 2002 to 2006. This cultivar has purple color flower with red purple lip, large flower, 11.0 flowers per plant, and 81.0 of inflorescence length. This new cultivar was registered for commercialization in 2006 and would be cultured under greenhouse condition in Korea.

A Standard Rose Cultivar 'Love Letter' with Thornless Stems and Red Colored Petals for Cut Flowers (무가시성 적색 절화장미 '러브레터' 육성)

  • Lee, Young Soon;Jung, Yun Kyung;Park, Mi Ok;Lim, Jae Wook
    • Horticultural Science & Technology
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    • v.32 no.2
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    • pp.269-275
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    • 2014
  • A standard rose cultivar, 'Love Letter' was selected for cut flower from the progenies of a cross between 'Red Giant' and 'Ensemble' by the rose breeding team of the Gyeonggi-do Agricultural Research & Extension Services (GARES) in 2011. A standard rose cultivar 'Red Giant' with red colored (RHS Red Group 45C) petals and 1.8 prickles per stems of 10 cm was used as a mother plant. A standard rose cultivar 'Ensemble' with white and red purple colored (RHS White Group 155C + RHS Red Group N57B) petals and 2.4 prickles per stems of 10 cm was used as a pollen parent. 'Love Letter' was crossed in 2007 and seedlings were produced. After tests of specific characters from 2008 to 2011, this cultivar was finally selected and named. As a standard type with large sized flower, it has red colored (RHS Red Group 46A) petals with 9.3 cm flower diameter and 32.4 petals per flower. Vase life of this cultivar could be as long as 12 days. It takes 43 days from pruning to blooming and cut flower productivity was 152 stems/$m^2$ in a year. The stems of cut flower have no thorn and the length is about with 70.5 cm. When this cultivar grew below $15^{\circ}C$ and 1,000 lux, the petals color became dark red in winter season. 'Love Letter' was registered as a new cultivar on Korea Seed & Variety Service (KSVS) with No. 4482 on May 8, 2013.

Calyx Abscission in Pear (Pyrus spp.) Cultivars and Its Inheritance (배 품종별 꽃받침 탈리와 유전 양식)

  • Kang, Sam-Seok;Kim, Yoon-Kyeong;Choi, Jang-Jeon;Cho, Kwang-Sik;Won, Kyeong-Ho;Lee, Han Chan;Yu, Duk Jun;Lee, Hee Jae
    • Horticultural Science & Technology
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    • v.31 no.6
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    • pp.790-797
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    • 2013
  • During pear fruit development, calyx can abscise from fruitlet following petal fall. The calyx abscission varies with pear cultivars. The presence of calyx on pear fruit makes the fruit shape calyx end protruded. In the present study, the degrees of the calyx abscission were examined in 120 Southern-type Asian pear (Pyrus pyrifolia), 52 Nothern-type Asian pear (P. ussuriensis), and 34 European pear (P. communis) cultivars, and its inheritance was investigated using cross combinations between the Southern-type Asian pear cultivars showing different degrees of calyx abscission. Majority of the cultivars produced < 10% or > 90% calyx-perpetual fruit, but the cultivars producing both calyx-perpetual and -deciduous fruit were in minor frequency. The cultivars producing < 10% calyx-perpetual fruit were in higher frequency in Southern-type Asian, Nothern-type Asian, and European pears in that order, while those producing calyx-perpetual fruit were in higher frequency in European, Nothern-type Asian, and Southern-type Asian pears in that order. In the cross between the parents producing < 10% calyx-perpetual fruit, most of the $F_1$ seedlings also produced < 10% calyx-perpetual fruit. In the cross between the parents producing > 90% calyx-perpetual fruit, on the contrary, most of the $F_1$ seedlings also produced > 90% calyx-perpetual fruit. When the paternal parent produced < 10% calyx-perpetual fruit, most of the $F_1$ seedlings also produced < 10% calyx-perpetual fruit regardless of the degree of calyx abscission in the maternal parent. When the cross was between the maternal parent producing < 10% calyx-perpetual fruit and the paternal parent showing different degrees of calyx abscission, the $F_1$ seedlings showed similar degrees of the calyx abscission to those in the paternal parent. These results suggest that the characteristics of the calyx abscission is influenced more greatly by the paternal parent than by the maternal parent, and the calyx abscission in Southern-type Asian pears is a qualitative trait which is governed by dominant gene(s).

Breeding of a New Spray Chrysanthemum Cultivar, 'Dream Round' with Dark Pink Petals and Thick Stem of Anemone Type for Cut-flower (줄기가 강건하고 진분홍색인 아네모네형 절화용 스프레이 국화 신품종 '드림라운드' 육성)

  • Jung, Yun Kyung;Kim, Sung Kee;Kim, Hee Dong;Lee, Young Soon
    • Horticultural Science & Technology
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    • v.31 no.4
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    • pp.517-521
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    • 2013
  • A new cultivar Dendranthema grandiflourm 'Dream Round' was developed at Gyeonggi-do Agricultural Research & Extension Services (GARES), Korea in 2010. The variety 'Dream Round' was initially derived from a cross in 2006 between 'Hebo' a seed parent, a spray chrysanthemum cultivar with white anemone type, and 'Samos' as a pollen parent, a spray chrysanthemum variety with white anemone type. The cultivar has anemone type with white petals. Trial evaluation was conducted from 2008 to 2010 for the selection of that cultivar, including a shading culture in spring and a retarding culture in summer. The flowering time of 'Dream Round' was October 24th, and year-round flowering was possible by shading or lighting treatment. The diameter of flower of 'Dream Round' was 34.1 mm. Numbers of flowers per stem and petals per flower of 'Dream Round' were 12.8 and 26.1, respectively. Its leaf color was green (Green Group 147A) and plant height was 92.4 cm. Days to flowering of 'Dream Round' under the short day treatment was about 54 in spring, and diameter of flower of 'Dream Round' was 34.2 mm in the summer. The vase life of 'Dream Round' was 21.7 days in autumn.