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중부지역 적응 조생 복합내병성 고품질 벼 ‘중모1023’

A Multiple Disease Resistant, Middle Plain Area Adaptable and Early Maturing Rice ‘Jungmo1023’

Korean Journal of Breeding Science 2015;47(3):281-287.
Published online: August 31, 2015

1 농촌진흥청 국립식량과학원

1 National Institute of Crop Science, RDA, Wanju 565-851, Republic of Korea

2 농촌진흥청

2 Rural Development Administration, Jeonju 560-500, Republic of Korea

3 전라북도농촌진흥원

3 Jeolabuk-do Agricultural Research & Extension Services, Iksan 570-704, Republic of Korea

*Corresponding author (lejehe@korea.kr, Tel: +82-31-695-4032, Fax: +82-31-695-4029)
• Received: May 7, 2015   • Revised: June 8, 2015   • Accepted: June 26, 2015

© Korean Society of Breeding Science All rights reserved

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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A Multiple Disease Resistant, Middle Plain Area Adaptable and Early Maturing Rice ‘Jungmo1023’
Korean. J. Breed. Sci.. 2015;47(3):281-287.   Published online September 30, 2015
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A Multiple Disease Resistant, Middle Plain Area Adaptable and Early Maturing Rice ‘Jungmo1023’
Korean. J. Breed. Sci.. 2015;47(3):281-287.   Published online September 30, 2015
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A Multiple Disease Resistant, Middle Plain Area Adaptable and Early Maturing Rice ‘Jungmo1023’
Image Image
Fig. 1. Pedigree diagram of ‘Jungmo1023’.
Fig. 2. Genealogical diagram of ‘Jungmo1023’.
A Multiple Disease Resistant, Middle Plain Area Adaptable and Early Maturing Rice ‘Jungmo1023’

Major agronomic traits and yield components.

Variety Heading date Culmz length (cm) Panicle length (cm) No. of panicles /hill No. of spikelets /panicle Ratio of ripened grain (%) 1000-grain weight of brown rice (g)

Jungmo1023 Aug. 3* 80ns 20ns 13ns 107** 85.0* 21.8ns
Hwaseong Aug. 9 84 21 14 93 81.8 22.4

zzlength from soil surface to panicle neck

*significant at 5% and 1% level, respectively

**significant at 5% and 1% level, respectively

nsnot significant

Reaction to blast disease.

Variety Reaction to leaf blast at nursery test (0-9) Area ratio to leaf lesion of Magnaporthe grisea of sequential plantings (%) Reaction to neck blast (%)

No. of tested sites (14)



Rz M S Mean 1 2 3 4 5 6 7 Persistence (0-7) No. of susceptible race (30) Ichon Jecheon

Jungmo1023 9 5 0 2.9* 60 50 50 50 45 11 5 7 8 0.0 1.3
Hwaseong 0 12 2 5.8 58 58 48 50 50 38 32 7 18 4.9 8.7

zR: resistant (0~3); M: moderately resistant (4~6); S: susceptible (7~9)

N fertilizer: Blast nursery test = 240 kg/ha, Neck blast = 220 kg/ha

*significant at 5% level

Reaction to bacterial blight, virus disease and insect pests.

Variety Bacterial blight Virus diseases Resistance to insects



K1 K2 K3 K3a Stripe (%) Dwarf Black-streak dwarf BPHz SBPH

Jungmo1023 Ry R R S R(6.7) S S S S
Hwaseong S S S S R(14.1) S S S S

zzBPH: brown planthopper; SBPH: small brown planthopper

yR: resistance, S: susceptible

Response to physiological and abiotic stresses.

Varietya Premature heading (%) Occurrence of wilting Leaf senescence at maturing Cold tolerancey Viviparousw germination (%)

Discoloration (1-9)z Heading delay (day) Grain fertility (%) PAx

Jungmo1023 3.3 Strong Late 1 10 47ns 6 17.3
Hwaseong 0.0 Strong Late 1 11 53 6 17.1

zEvaluation at maximum tillering stage (1: tolerance; 9: susceptible)

yCold tolerance was evaluated in Chuncheon cold-water (17°C) irrigated nursery

xPhenotypic Acceptability

wGermination rate at 7 days after incubation in 25°C chamber

nsnot significant

Some characteristics related with lodging

Variety Culmz length (cm) Third internode length (cm) Top fresh weight (g) Breaking strength (g) Moment (g.cm) Lodging index Lodging in the field (0~9)

Jungmo1023 84 13 15.1* 876* 1,571* 179 1
Hwaseong 84 12 10.7 623 1,115 179 1

zlength from upper part of root to panicle neck

*significant at 5% level

Characteristics related to grain shape and grain quality.

Variety Brown rice White core/velly Alkali digestive value (1~7) Protein content (%) Amylose content (%) Palatability of cooked rice (-3~3)

Length (mm) Width (mm) L/W ratio

Jungmo1023 4.88 2.77 1.76 0/0 6.2 6.9 18.4ns 0.24
Hwaseong 4.98 2.79 1.79 2/0 6.5 6.9 20.6 0.08

nsnot significant

Characteristics related to milling quality.

Variety Milling recovery ratio (%) Head rice milling recovery ratio (%)

Brown/rough Milled/brown Milled/rough Head rice

Jungmo1023 81.4** 89.5 72.9** 96.2** 70.1**
Hwaseong 83.2 89.9 74.8 73.8 55.2

Results of yield potential of ‘Jungmo1023’ on local adaptability test.

Culture Season Region Tested sites Average milled rice yield (MT/ha) Index(A/B)

Jungmo1023 Check variety

’10 ’11 ’12 Ave.(A) ’10 ’11 ’12 Ave.(A)

Ordinary planting culture Middle plain Suwon 4.89 3.90 5.01 4.60 4.77 4.59 4.90 4.75w 97
Hwaseong 3.59 3.97 5.53 4.36 4.37 4.39 5.32 4.69w 93
Yeoju 4.78 4.51 4.51 4.60 5.41 5.02 5.10 5.18w 89
Chuncheon 4.52 4.96 5.93 5.14 5.06 5.11 5.97 5.38w 96

Average 4.45 4.34 5.25 4.68ns 4.90 4.78 5.32 5.00 94

94 MWCz Namyang 4.37 3.28 5.36 4.34 518 393 571 4.94w 88

MMPy Cheolweon 4.15 4.74 4.47 4.45 4.69 5.03 5.23 4.98v 89

NECx Gangreung 4.51 4.23 4.59 4.44 4.67 5.31 4.80 4.93v 90

Average 4.40 4.23 5.06 4.56* 4.88 4.77 5.29 4.98 92

Early planting Middle plain Suwon - 5.14 4.83 4.99ns - 5.01 5.12 5.07u 98

zMWC: Mid-west coastal area

yMMP: Mid-northern middle plain area

xNEC: North-east coastal area

wHwaseong

vOdae

uJopyeong

nsnot significant

*significant at 5% level

Table 1. Major agronomic traits and yield components.

zlength from soil surface to panicle neck

significant at 5% and 1% level, respectively

significant at 5% and 1% level, respectively

not significant

Table 2. Reaction to blast disease.

R: resistant (0~3); M: moderately resistant (4~6); S: susceptible (7~9)

N fertilizer: Blast nursery test = 240 kg/ha, Neck blast = 220 kg/ha

significant at 5% level

Table 3. Reaction to bacterial blight, virus disease and insect pests.

zBPH: brown planthopper; SBPH: small brown planthopper

R: resistance, S: susceptible

Table 4. Response to physiological and abiotic stresses.

Evaluation at maximum tillering stage (1: tolerance; 9: susceptible)

Cold tolerance was evaluated in Chuncheon cold-water (17°C) irrigated nursery

Phenotypic Acceptability

Germination rate at 7 days after incubation in 25°C chamber

not significant

Table 5. Some characteristics related with lodging

length from upper part of root to panicle neck

significant at 5% level

Table 6. Characteristics related to grain shape and grain quality.

not significant

Table 7. Characteristics related to milling quality.
Table 8. Results of yield potential of ‘Jungmo1023’ on local adaptability test.

MWC: Mid-west coastal area

MMP: Mid-northern middle plain area

NEC: North-east coastal area

Hwaseong

Odae

Jopyeong

not significant

significant at 5% level