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소득작물 후작용 고품질 조생 벼품종 ‘화왕’

이종희, 이지윤, 여운상, 송유천, 박동수, 황운하, 박수권, 박노봉, 김상열, 오성환, 한상익, 남민희, 이종기, 조준현*

‘Hwawang’: A Good Quality and Early-Maturing Rice Variety Adaptable for Rice–Cash Crop Rotation System

Korean Journal of Breeding Science 2018;50(4):534-539.
Published online: December 1, 2018

농촌진흥청 국립식량과학원

Natioanal Institute of Crop Science, RDA, Miryang, 50424, Republic of Korea

* (E-mail: hy4779@korea.kr, Tel: +82-55-350-1169, Fax: +82-55-35
• Received: July 3, 2018   • Revised: July 5, 2018   • Accepted: November 19, 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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‘Hwawang’: A Good Quality and Early-Maturing Rice Variety Adaptable for Rice–Cash Crop Rotation System
Korean. J. Breed. Sci.. 2018;50(4):534-539.   Published online December 1, 2018
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‘Hwawang’: A Good Quality and Early-Maturing Rice Variety Adaptable for Rice–Cash Crop Rotation System
Korean. J. Breed. Sci.. 2018;50(4):534-539.   Published online December 1, 2018
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‘Hwawang’: A Good Quality and Early-Maturing Rice Variety Adaptable for Rice–Cash Crop Rotation System
Image Image
Fig. 1 Pedigree diagram of “Hwawang”.
Fig. 2 Genealogical diagram of “Hwawang”.
‘Hwawang’: A Good Quality and Early-Maturing Rice Variety Adaptable for Rice–Cash Crop Rotation System

Major agronomic traits and yield components of ‘Hwawang’ (LAT: ’10~’12).

Variety Heading date Culm length (cm) Panicle length (cm) No. of panicle per hill No. of Spikelets per panicles Ratio of ripened grain (%) Brown rice 1000 grain weight (g)
Hwawang 8.29 62 20 16 71 83.0 21.0
Keumo 8.27 72 20 13 82 76.0 20.0

Germinability of ‘Hwawang’ (LAT: ’10~’12).

Variety Seed germination Viviparous germination (25°C at 40 DAF)

Low temp. (13°C) Normal temp. (32°C)
Hwawang 8.0 92 0.7
Keumo 48.5 99 6.1

Abiotic stress response of ‘Hwawang’ (LAT: ’10~’12).

Variety Premature heading ratio (%) Lodging tolerance Cold tolerance


Lodging index transplanting field (1-9) Heading delay (days) Grain fertility (%) Phenotypic acceptability (%)
Hwawang 0.3 168 3 13 67 5
Keumo 26.5 183 1 12 30 7

Reaction to leaf and neck blast disease of ‘Hwawang’ (LAT: ’10~’12).

Variety Leaf blast disease Neck blast disease


No. of tested sites Ave. Rate of diseased panicle (%)


R (0~3) M (4~6) S (7~9) Jecheon Icheon Iksan Milyang
Hwawang 0 9 5 6.1 13.8 30.8 17.3 0.2
Keumo 3 9 2 4.4 24.9 37.0 0.0 0.0

Reaction to bacterial blight, virus diseases and insect pests of ‘Hwawang’ (LAT: ’10~’12).

Variety Bacterial blight Virus disease z Insect pests y



K1 K2 K3 K3a RSV RDV RBSDV BPH SBPH
Hwawang R x R R S R S S S S
Keumo S w S S S S S S S S

zRSV: Rice stripe virus; RDV: Rice Dwarf virus; RBSDV: Rice black Stripe dwarf virus

yBPH: Brown planthopper; SBPH: Small Brown planthopper

xR: Resistant

wS: Susceptible

Grain shape of rough rice and brown rice of ‘Hwawang’ (LAT: ’10~’12).

Variety Rough rice Brown rice

Length Width Thickness Ratio of L/W Length Width Thickness Ratio of L/W
Hwawang 7.09 3.03 2.13 2.34 4.95 2.69 1.86 1.84
Keumo 7.03 3.10 2.06 2.26 4.95 2.80 1.87 1.77

Physiochemical and milling properties of ‘Hwawang’ (LAT: ’10~’12).

Variety Transl ucency (1-9) WC/WB (0-9) Amylose content (%) Protein content (%) Alkali digestion value (1-7) Milling recovery of head rice (%) Paratablitity
Hwawang 1 0/0 18.8 6.3 5.7 95.4 0.27
Keumo 2 1/0 18.2 7.7 6.0 90.8 0.06 z

z경기도산 추청벼: 0.06

The value of glossiness of cooked rice by Toyo meter of early maturing varieties cultivated in Miryang province (Milyang LAT: ’12).

Group Glossiness of cooked rice

~59 60~64 65~69 70~
Cultivars Manchu (58) Milyang276 (64) Odae (69) Hwawang (73)
Junamjosaeng (58) Goun (62) Milyang266 (68) Saesangju (72)
Ungwang (58) Manna (62) Boseak (68) Koshihikari (71)
Joan (58) Hwanggeumbora (61) Keumyeong (68) Milyang247 (70)
Jogwang (57) Manho (61) Hitomebore (68) Akidagomachi(70)
Shinunbong1 (57) Handeul (61) Sandeuljinmi (67) Kinuhikari (70)
Hanseol (55) Keumo (60) Milyang276 (67) Joami (70)
Keumo3 (55) Unmi(60) Jinbu (66)
Jopyeong (55) Odae 1(60) Seolremi(66)
Joun (52)
Jinbong (49)

Total 11 9 9 7

Yield of milled rice at local adaptability test of ‘Hwawang’ (LAT: ’10~’12).

Cultivation season Region No. of tested sites Yield of milled rice (MT/ha)

Hwawang (A) Keumo (B) Index (A/B)
Late planting Middle plain 1 443 401 112
Yeongnam plain 1 474 404 117
Honam plain 1 439 331 115
Average 452 396 115
Table 1 Major agronomic traits and yield components of ‘Hwawang’ (LAT: ’10~’12).
Table 2 Germinability of ‘Hwawang’ (LAT: ’10~’12).
Table 3 Abiotic stress response of ‘Hwawang’ (LAT: ’10~’12).
Table 4 Reaction to leaf and neck blast disease of ‘Hwawang’ (LAT: ’10~’12).
Table 5 Reaction to bacterial blight, virus diseases and insect pests of ‘Hwawang’ (LAT: ’10~’12).

RSV: Rice stripe virus; RDV: Rice Dwarf virus; RBSDV: Rice black Stripe dwarf virus

BPH: Brown planthopper; SBPH: Small Brown planthopper

R: Resistant

S: Susceptible

Table 6 Grain shape of rough rice and brown rice of ‘Hwawang’ (LAT: ’10~’12).
Table 7 Physiochemical and milling properties of ‘Hwawang’ (LAT: ’10~’12).

경기도산 추청벼: 0.06

Table 8 The value of glossiness of cooked rice by Toyo meter of early maturing varieties cultivated in Miryang province (Milyang LAT: ’12).
Table 9 Yield of milled rice at local adaptability test of ‘Hwawang’ (LAT: ’10~’12).