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복합내병충성 고품질 중만생 벼 ‘중모1045호’

Brown Planthopper and Bacterial Blight Resistant Mid-late High Grain Quality Rice ‘Jungmo1045’

Korean Journal of Breeding Science 2018;50(1):72-79.
Published online: February 28, 2018

1 농촌진흥청 국립식량과학원

1 National Institute of Crop Science, R.D.A., Wanju 55365, Korea

2 농촌진흥청 연구정책국

2 Research Policy Bureau, R.D.A., Jeonju 54875, Korea

3 국립순천대학교

3 Sunchon National University, Sunchon 57922, Korea

*Corresponding Author (suwonman@korea.kr, +82-63-238-5235, +82-63-238-5205)
• Received: September 29, 2017   • Accepted: November 23, 2017

© 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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Citations

Citations to this article as recorded by  Crossref logo
  • ‘Seongsan’, an Early Maturing Multi-Resistant Rice with Good Grain Quality and High Yield
    Woo-Jae Kim, Woon-Cheol Shin, Jeong-Ju Kim, Hyeon-Su Park, Jeong-Kwon Nam, Man-Kee Baek, Young-Chan Cho, Bo-Kyeong Kim
    Korean Journal of Breeding Science.2019; 51(4): 462.     CrossRef
  • ‘Hyowon6’, a Mid-Late Maturing Rice Variety with High Quality
    Da-Eun Im, Mar Lar San, Seong-Gyu Jang, So-Yeon Park, Sang-Hyeon Jin, Yong Chul Kim, Tae-Ho Ham, Soon-Wook Kwon
    Korean Journal of Breeding Science.2018; 50(4): 529.     CrossRef

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Brown Planthopper and Bacterial Blight Resistant Mid-late High Grain Quality Rice ‘Jungmo1045’
Korean. J. Breed. Sci.. 2018;50(1):72-79.   Published online March 1, 2018
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Brown Planthopper and Bacterial Blight Resistant Mid-late High Grain Quality Rice ‘Jungmo1045’
Korean. J. Breed. Sci.. 2018;50(1):72-79.   Published online March 1, 2018
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Brown Planthopper and Bacterial Blight Resistant Mid-late High Grain Quality Rice ‘Jungmo1045’
Image Image Image Image
Fig. 1. Genealogical diagram of ‘Jungmo1045’.
Fig. 2. Pedigree diagram of ‘Jungmo1045’.
Fig. 3. BPH bioassay selection for resistance lines at seedling stage. NP : Nampyeong (susceptible), AM : Anmi(resistance), DC : Dacheong(resistance), SR : SR30071-3-7-23-6-2-1-1-1(resistance), HN : Hwanggeumnuri (susceptible).
Fig. 4. Detection of Bph18 gene using DNA marker 7312.T4A to brown planthopper resistance line Iksan562. PCR products were cleaved by HinfⅠ and gels were stained by RedSafe. P1 : Hwanggeumnuri(susceptible), P2 : SR30071-3-7-23-6-2-1-1-1(resistance).
Brown Planthopper and Bacterial Blight Resistant Mid-late High Grain Quality Rice ‘Jungmo1045’

Major agronomic traits and yield components.

Cultivar Heading date (mm.dd) Culm length (cm) Panicle length (cm) Panicle number per hill (ea) Number of grains per panicle (ea) Percent ripened grain (%) 1000-grain weight of brown rice (g)

Jungmo1045 8.14ns z 78ns 22* 13ns 108** 93.1ns 23.6**
Nampyeong 8.15 78 20 13 95 92.6 22.1

zns, *, and ** indicate no significant, significant at p<0.05, and p<0.01, respectively.

Response to environmental and physiological stress.

Cultivar Premature Heading (%) Appearance of Wilting Adult Leaf Sensecencez Viviparous Germination (%) Cold tolerancex

Seedling stage (0-9) Heading Delay (days) Grain Fertility (%) PAw

Jungmo1045 0 Resistant Slow 34.5*y 4 10 36 7
Nampyeong 0 Resistant Slow 7.0 3 8 35 6

zGerminationrate at 7 days after incubation (25℃, 100% RH)

y*indicate significant at p<0.05.

xCold tolerance was evaluated at a cold-water (17℃) irrigated nursery in Chuncheon substation, NICS

wPhenotypic acceptability

Lodging tolerance traits of ‘Jungmo 1045’.

Cultivar Plant heightz (cm) Length of 3rd internode (cm) Breaking weight of 3rd internode (g) Lodging index Field lodging (1-9)

Jungmo1045 102*y 11 1,166 136 3
Nampyeong 98 8.5 1,179 121 1

zCulm length + Panicle length

y*indicate significant at p<0.05.

Reaction to leaf and panicle blast.

Cultivar Reaction to leaf blast at test nursery(1~9) Reaction to neck blast


No. of tested sites (12) Rate of infected panicles (%)

Rz M S Mean Iksan Milyang Icheon Jinju

Jungmo1045 2 10 0 4.0 2.2 0.9 0.5 0.0
Nampyeong 5 6 1 4.3 1.9 0.0 0.0 0.0

zR: Resistant, M: Moderately resistant, S: Susceptible

Reaction of durable resistance to leaf blast.

Cultivar Percentage of diseased leaf area based on sequential seeding (%) Durable resistance index (0~5) No. of virulence isolate (No. of inoculated isolate: 40)

1st 2nd 3rd 4th 5th

Jungmo1045 80 40 70 50 40 5 17
Nampyeong 80 75 80 50 40 5 5

Reaction to major disease and insect pest.

Cultivar Bacterial blight Virus disease (%) Planthopper



K1 K2 K3 K3a RSVz RDV RBSDV BPHy SBPH

Jungmo1045 Rx R R S R(12.4) S(93.6) S(77.8) R S
Nampyeong R S S S R(7.2) M(49.3) S(78.2) S S

zRSV: Rice stripe virus, RDV: rice dwarf virus, RBSDV: Rice black-streaked dwarf virus

yBPH: Brown planthopper, SBPH: Small brown planthopper

xR: Resistant, M: Moderately resistant, S: Susceptible

Grain quality and palatability properties.

Cultivar Translucency (1-9) White core/belly (0-9) Amylose content (%) Protein content (%) Palatability of cooked rice (-3~+3)

Jungmo1045 1 0/0 19.0ns z 6.4ns -0.02
Nampyeong 1 0/0 18.8 6.6 -0.17

zns indicate no significant at p<0.05.

Milling properties and grain shape.

Cultivar Milling recovery ratio (%) HRMRR (%) Brown rice


BRz MB MR HR Length (mm) Width (mm) Thickness (mm) L/W ratio

Jungmo1045 83.2 91.5 76.1 93.3 71.0 4.86*y 2.88 1.95 1.69
Nampyeong 81.2 90.5 73.5 96.5 70.9 4.96 2.86 1.82 1.73

zBR: Brown/rough, MB: Milled/brown, MR: Milled/rough, HR: Head rice, HRMRR: Head rice milling recovery ratio

y*indicate significant at p<0.05.

Yield summary of local adaptability test.

Culture season Region No. of tested sites Milled rice (MT/ha)

Jungmo1045(A) Jungmo1045(A) Index(A/B) Range

Ordinary planting West-southern coast 3 551 558 99 4.59~6.50
Middle plain 1 563 498 101 5.08~6.00
Honam plain 5 564 551 102 4.26~6.53
Yeongnam plain 4 601 614 98 5.46~6.73

Mean 13 573ns z 574 100 -

Double cropping Honam plain 1 555 551 101 -
Yeongnam plain 1 569 561 102 -

Mean 2 562ns 556 101 -

zns indicate no significant at p<0.05.

Table 1 Major agronomic traits and yield components.

ns, *, and ** indicate no significant, significant at p<0.05, and p<0.01, respectively.

Table 2 Response to environmental and physiological stress.

Germinationrate at 7 days after incubation (25℃, 100% RH)

*indicate significant at p<0.05.

Cold tolerance was evaluated at a cold-water (17℃) irrigated nursery in Chuncheon substation, NICS

Phenotypic acceptability

Table 3 Lodging tolerance traits of ‘Jungmo 1045’.

Culm length + Panicle length

*indicate significant at p<0.05.

Table 4 Reaction to leaf and panicle blast.

R: Resistant, M: Moderately resistant, S: Susceptible

Table 5 Reaction of durable resistance to leaf blast.
Table 6 Reaction to major disease and insect pest.

RSV: Rice stripe virus, RDV: rice dwarf virus, RBSDV: Rice black-streaked dwarf virus

BPH: Brown planthopper, SBPH: Small brown planthopper

R: Resistant, M: Moderately resistant, S: Susceptible

Table 7 Grain quality and palatability properties.

ns indicate no significant at p<0.05.

Table 8 Milling properties and grain shape.

BR: Brown/rough, MB: Milled/brown, MR: Milled/rough, HR: Head rice, HRMRR: Head rice milling recovery ratio

*indicate significant at p<0.05.

Table 9 Yield summary of local adaptability test.

ns indicate no significant at p<0.05.