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중간신육형 직립초형 동부 품종 ‘옥당’

김동관1,*, 최진경1, 권오도1, 이경동2, 류경인3

Cowpea Cultivar, ‘Okdang’, with an Intermediate Plant Habit and Erect Plant Type

Korean Journal of Breeding Science 2018;50(3):319-323.
Published online: August 31, 2018

전남농업기술원

동신대학교

영광군농업기술센터

Crop Research Division, JARES, Naju 58213, Korea

Department of Oriental Medicine Materials, Dongshin University, Naju 58245, Korea

Yeonggwang-gun Agricultural Technology Center, Yeonggwang 57031, Korea

(E-mail: kms1996@korea.kr, Tel: +82-61-330-2521, Fax:+82-61-336-8177)
• Received: June 4, 2018   • Accepted: July 6, 2018

Copyright: © 2018 by the Korean Society of Breeding Science

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Citations

Citations to this article as recorded by  Crossref logo
  • Cowpea (Vigna unguiculata L.) production, genetic resources and strategic breeding priorities for sustainable food security: a review
    Dong-Kwan Kim, Kingsley Ochar, Kanivalan Iwar, Bo-Keun Ha, Seong-Hoon Kim
    Frontiers in Plant Science.2025;[Epub]     CrossRef
  • Cowpea (Vigna unguiculata) Cultivation and Breeding in the Republic of Korea: Advances and Future Perspectives
    Dong-Kwan Kim, Kanivalan Iwar, Kingsley Ochar, Sin-Young Park, Eun-Byul Go, Kyung-Dong Lee, Seong-Hoon Kim
    Agronomy.2024; 14(11): 2679.     CrossRef
  • A Comparison of the Transcriptomes of Cowpeas in Response to Two Different Ionizing Radiations
    Ryulyi Kang, Eunju Seo, Aron Park, Woon Ji Kim, Byeong Hee Kang, Jeong-Hee Lee, Sang Hoon Kim, Si-Yong Kang, Bo-Keun Ha
    Plants.2021; 10(3): 567.     CrossRef
  • Radio Sensitivity of Cowpea Plants after Gamma-Ray and Proton-Beam Irradiation
    Ryulyi Kang, Eunju Seo, Gyutae Kim, Aron Park, Woon Ji Kim, Si-Yong Kang, Bo-Keun Ha
    Plant Breeding and Biotechnology.2020; 8(3): 281.     CrossRef
  • A Description of Plant and Seed Morphology of the Cowpea Cultivar ‘Seonhyeon’
    Dong-Kwan Kim, Jin-Gyung Choi, Seon-Gon Kim, Kyung-Dong Lee, Min-Jung Seo, Beom-Kyu Kang, Tae-Jeong Ha
    Korean Journal of Breeding Science.2019; 51(3): 209.     CrossRef

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Cowpea Cultivar, ‘Okdang’, with an Intermediate Plant Habit and Erect Plant Type
Korean. J. Breed. Sci.. 2018;50(3):319-323.   Published online September 1, 2018
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Cowpea Cultivar, ‘Okdang’, with an Intermediate Plant Habit and Erect Plant Type
Korean. J. Breed. Sci.. 2018;50(3):319-323.   Published online September 1, 2018
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Cowpea Cultivar, ‘Okdang’, with an Intermediate Plant Habit and Erect Plant Type
Image Image
Fig. 1 Pedigree diagram of a new cowpea cultivar ‘Okdang’, AYT: Advanced yield trial, RYT: Regional yield trial.
Fig. 2 Panoramic photograph of a new cowpea cultivar ‘Okdang’.
Cowpea Cultivar, ‘Okdang’, with an Intermediate Plant Habit and Erect Plant Type

Inherent characteristics of a new cowpea cultivar ‘Okdang’.

Cultivar Plant habit Plant type Leaflet shape Hypocotyl color Corolla color Color at maturity of pod Setting position of pod Curvature of pod
Okdang Intermediate Erect Heart Green Purple Brown Middle Slight curve
Seoweon Indeterminate Prostrate Heart Green Purple Brown Middle Slight curve

Cultivar Seed density of pod Seed marking Seed coat color Secondary color of seed coat Seed surface luster Seed shapes

Okdang Middle Non Orange yellow Non Weak Elliptical
Seoweon Middle Non Greyed purple Non Weak Elliptical

Agronomic characteristics of a new cowpea cultivar ‘Okdang’ determined by regional yield trial from 2012 to 2013.

Cultivar 1st flowering date 1st maturing date Stem length (cm) Pedicel length (cm) Pod length (cm) Pod width (mm) No. of pod per plant No. of seed per pod Seed length (mm) Seed width (mm) 100-seed weight (g)
Okdang Aug. 19 Sep. 17 42* 31ns 17.4* 9.2* 11.2* 12.4* 8.3* 6.0* 16.6*
Seoweon Aug. 26 Sep. 27 99 30 18.7 6.9 10.3 10.8 7.8 5.3 10.7

nsNot significant in the t-test, while

*Significant at p<0.05.

Field resistance to diseases and lodging of a cowpea cultivar ‘Okdang’ determined by regional yield trial from 2012 to 2013.

Cultivar Leaf disease (0 ~ 9)z Systemic disease (0~9) Lodging (1 ~ 9)y
Okdang 1 2 1
Seoweon 1 1 9

z0: Resistant, 9: Susceptble,

y1: Resistant, 9: Susceptble

Contents of nutritional and sugar, ratio of seed coat of a new cowpea cultivar ‘Okdang’.

Cultivar Nutritionals (%) Sugars (%) Ratio of seed coat (%)


Starch Crude protein Crude fat Sucrose Glucose Fructose
Okdang 51.0±2.98 22.2±1.15 4.68±0.35 1.52±0.21 0.23±0.08 0.46±0.08 12.0±1.11
Seoweon 48.8±3.02 23.6±1.17 5.50±0.38 2.03±0.28 0.20±0.06 0.44±0.09 13.4±1.20

Yield of a new cowpea cultivar ‘Okdang’ determined by regional yield trial from 2012 to 2013.

Location Okdang (MT/ha, A) Seoweon (MT/ha, B) Index (A/B)


2010 2011 Mean 2010 2011 Mean
Naju 1.27 1.95 1.61 0.78 1.20 0.99 163
Yeonggwang 1.77 2.37 2.07 1.00 2.02 1.51 137
Jangheung 1.56 2.16 1.86 1.11 1.81 1.46 127

Mean 1.53 2.16 1.85* 0.96 1.68 1.32 140

*Significant at p<0.05 in the t-test

Table 1 Inherent characteristics of a new cowpea cultivar ‘Okdang’.
Table 2 Agronomic characteristics of a new cowpea cultivar ‘Okdang’ determined by regional yield trial from 2012 to 2013.

nsNot significant in the t-test, while

Significant at p<0.05.

Table 3 Field resistance to diseases and lodging of a cowpea cultivar ‘Okdang’ determined by regional yield trial from 2012 to 2013.

0: Resistant, 9: Susceptble,

1: Resistant, 9: Susceptble

Table 4 Contents of nutritional and sugar, ratio of seed coat of a new cowpea cultivar ‘Okdang’.
Table 5 Yield of a new cowpea cultivar ‘Okdang’ determined by regional yield trial from 2012 to 2013.

Significant at p<0.05 in the t-test