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분자육종법을 이용한 벼멸구 저항성 고품질 자포니카 벼 신품종 ‘안미’ 육성

A Brown Planthopper Resistant and High Grain Quality Rice Variety ‘Anmi’ Developed by Molecular Breeding Method

The Korean Journal of Breeding Science 2014;46(2):152-159.
Published online: May 31, 2014

1농촌진흥청 국립식량과학원,

1National Institute of Crop Science, RDA, Suwon 441-857, Republic of Korea

2국제미작연구소

2International Rice Research Institute, Los Baños, Laguna, Philippines

*Corresponding author (E-mail: jrnj@korea.kr, Tel: +82-31-290-6728, Fax: +82-31-290-6730)
• Received: February 15, 2014   • Revised: March 24, 2014   • Accepted: March 25, 2014

© 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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A Brown Planthopper Resistant and High Grain Quality Rice Variety ‘Anmi’ Developed by Molecular Breeding Method
Korean. J. Breed. Sci.. 2014;46(2):152-159.   Published online June 30, 2014
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A Brown Planthopper Resistant and High Grain Quality Rice Variety ‘Anmi’ Developed by Molecular Breeding Method
Korean. J. Breed. Sci.. 2014;46(2):152-159.   Published online June 30, 2014
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A Brown Planthopper Resistant and High Grain Quality Rice Variety ‘Anmi’ Developed by Molecular Breeding Method
Image Image Image Image
Fig. 1. Application of the primer set 7312.T4A as the co-segregating DNA marker for Bph18 gene. A) Revealed genotypes of parental lines and the F1 progeny by the cleaved PCR products of 7312.T4A. The PCR amplicons were cleaved by an endonuclease, Hinf I before electrophoresis. B) Marker validity tests by using randomly selected survived F2 individuals after infestation of Korean brown planthopper (BPH). Note that none of tested progeny has the genotype of recurrent parent, A. C) Marker assisted selection on the selected backcross progenies to identify heterogeneous individuals at the Bph18 locus. Capital letters A, B and H indicate the genotypes of the recurrent parent (Junam), Bph18 donor parent (IR65482-7-216-1-2) and F1 or heterogeneous BC progenies at the Bph18 locus, respectively. M indicates DNA size marker.
Fig. 2. Pedigree diagram of ‘Anmi’.
Fig. 3. Genealogical diagram of ‘Anmi’.
Fig. 4. Reaction of ‘Anmi’, the advanced backcross breeding line with Bph18 gene, against Korean biotype of brown planthopper (BPH). CK: susceptible check cultivar (Taebaek), P1: recurrent parent (Junam), P2: Bph18 donor parent (IR65482-7-216-1-2).
A Brown Planthopper Resistant and High Grain Quality Rice Variety ‘Anmi’ Developed by Molecular Breeding Method

Major agronomic traits and yield componentsz

Variety Heading date Culm length Panicle length No. of panicles/hill No. of spikelets/panicle Ratio of ripened grain 1,000-grain weight of brown rice
(mm.dd) (cm) (cm) (%) (g)

Anmi 8.15b 77a 21a 14a 130b 75.1a 22.1a
Hwaseong 8.10a 82b 21a 15a 99a 83.1b 22.7a

Means with the same letter are not significantly different at P < 0.05 in the least significant difference test (LSD0.05).

Resistance reaction to blast disease and bacterial blight

Variety Reaction at blast nursery testz
Neck blasty (%)
Bacterial blight
No. of tested sites
Icheon Jecheon K1 K2 K3 K3a Second Infection
R (0~3) M (4~6) S (7~9) (0~9)

Anmi 2 10 2 1.7 2.5 R R R S 3
Hwaseong 0 9 5 2.5 4.5 S S S S 8

N fertilizer of blast nursery test = 240 kg/ha

N fertilizer of neck blast = 220 kg/ha

R: resistance, M: moderately resistance, S: susceptible.

Reaction to virus disease and insect pests

Variety Viral diseases
Resistance to insectsz
Stripe Dwarf Blackstreak dwarf BPH WBPH SBPH

Anmi R S S R S S
Hwaseong R S S S S S

BPH (brown planthopper), WBPH (white-backed planthopper), SBPH (small brown planthopper)

R: resistance, S: susceptible.

Response to physiological and abiotic stresses

Variety Prema-ture heading Occurrence of wilting Leaf senescence at maturing Cold tolerancey
Viviparous germination (%)
Discolorationz (1~9) Heading delay (day) Grain fertility (%)

Anmi Tolerance Tolerance Slow 3 18 37 13.3
Hwaseong Tolerance Tolerance Slow 4 12 54 30.1

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

Cold tolerance was evaluated at cold-water (17°C) irrigation nursery in Chuncheon.

Major characteristics related to lodgingz

Variety Plant height Third internode length Breaking strength Lodging index Lodging in the field
(cm) (cm) (g) (1~9)

Anmi 97a 10.4a 583a 226a 1
Hwaseong 112b 10.5a 701b 321b 1

Means with the same letter are not significantly different at P < 0.05 in the least significant difference test (LSD0.05)

Grain quality of ‘Anmi’

Variety Brown rice
Translucency (1~9) White belly/core Alkali digestive value Protein content Amylose content Palatability of cooked rice
Length Width L/W
(mm) (mm) ratio (0~9) (1~7) (%) (%) (-3~+3)

Anmi 4.89 2.66 1.85 1 0/0 6.6 6.9 18.0 0.15
Hwaseong 4.92 2.72 1.96 1 1/0 6.6 6.9 20.5 -0.60

Milling properties of ‘Anmi’

Variety Brown rice
Head rice ratio (%)
Brown/rough Milled/brown Milled/rough

Anmi 82.8 88.7 70.8 85.6
Hwaseong 83.0 87.8 72.9 88.0

Milled rice yield of ‘Anmi’ at local adaptability test

Culture season Region No.of testedsites Milled rice yield (MT/ha)
Index (A/B)
Anmi
Hwaseong
’08 ’09 ’10 Ave. (A) ’08 ’09 ’10 Ave. (B)

Ordinary season culture Middle plain 4 5.48 6.84 4.95 5.76 5.17 5.58 4.73 5.16 111
Table 1 Major agronomic traits and yield componentsz

Means with the same letter are not significantly different at P < 0.05 in the least significant difference test (LSD0.05).

Table 2 Resistance reaction to blast disease and bacterial blight

N fertilizer of blast nursery test = 240 kg/ha

N fertilizer of neck blast = 220 kg/ha

R: resistance, M: moderately resistance, S: susceptible.

Table 3 Reaction to virus disease and insect pests

BPH (brown planthopper), WBPH (white-backed planthopper), SBPH (small brown planthopper)

R: resistance, S: susceptible.

Table 4 Response to physiological and abiotic stresses

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

Cold tolerance was evaluated at cold-water (17°C) irrigation nursery in Chuncheon.

Table 5 Major characteristics related to lodgingz

Means with the same letter are not significantly different at P < 0.05 in the least significant difference test (LSD0.05)

Table 6 Grain quality of ‘Anmi’
Table 7 Milling properties of ‘Anmi’
Table 8 Milled rice yield of ‘Anmi’ at local adaptability test