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장수형 밀의 계통 특성 분석 I. 농업 형질과 관련 유전자 특성

Characterization of Korean Wheat Line with Long Spike. I. Agronomic Traits and Genetic Variations

Korean Journal of Breeding Science 2015;47(3):219-228.
Published online: August 31, 2015

1 국립식량과학원

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

2 전북대학교 농업생명과학대학 작물생명과학과

2 Department of Crop Science and Biotechnology, Chonbuk National University, Jeonju 561-756, Korea

*Corresponding author (pcs89@jbnu.ac.kr, Tel: +82-63-270-2533, Fax: +82-63-270-2640)
• Received: July 27, 2015   • Revised: September 15, 2015   • Accepted: September 15, 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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  • Overexpressing the wheat dihydroflavonol 4-reductase gene TaDFR increases anthocyanin accumulation in an Arabidopsis dfr mutant
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    Genes & Genomics.2016; 38(4): 333.     CrossRef

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Characterization of Korean Wheat Line with Long Spike. I. Agronomic Traits and Genetic Variations
Korean. J. Breed. Sci.. 2015;47(3):219-228.   Published online September 30, 2015
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Characterization of Korean Wheat Line with Long Spike. I. Agronomic Traits and Genetic Variations
Korean. J. Breed. Sci.. 2015;47(3):219-228.   Published online September 30, 2015
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Characterization of Korean Wheat Line with Long Spike. I. Agronomic Traits and Genetic Variations
Image Image Image
Fig. 1. Image of spike and spikelet (A), heading stage (B), maturing stage (C) and grain (D) of Korean wheat 164 line with long spike and Keumkang.
Fig. 2. Agarose gel electrophoresis of PCR amplified Rht-B1 and Rht-D1 (A), Vrn-1 (B), Ppd-1 (C) and TaSus2-2B, TaGW2 and TaCwi-A1 alleles (D). M, molecular size marker; 1-12, Korean wheat line with long spike (GHW001~GHW012).
Fig. 3. Difference in 1,000-kernel weight according to the genotype of TaSus2-2B (A), TaGW2 (B) and TaCwi-A1 alleles (C) in Korean wheat line with long spike. Each bar represents the mean ± standard error. Bars with different letters above are significantly different at p<0.05.
Characterization of Korean Wheat Line with Long Spike. I. Agronomic Traits and Genetic Variations

Agronomic traits in Korean wheat line with long spike and Keumkang.

Agronomic traits Korean wheat population with long spike lengthz (n = 164) Keumkang

Days to heading date 200.8 ± 1.3 (197.3 – 204.0) 193.0
Culm length (cm) 88.3 ± 6.8 (66.1 – 102.3) 72.1
Spike length (cm) 11.7 ± 1.1 (9.1 – 14.4) 7.0
Number of spike per m2 650.7 ± 117.0 (389.0 – 950.0) 711.1
Number of kernel per spike 43.4 ± 4.3 (30.8 – 54.7) 27.5
Test weight (g) 776.8 ± 16.9 (713.0 – 815.0) 843.3
1000-kernel weight (g) 44.6 ± 5.7 (31.6 – 55.9) 45.1
Grain yield (kg/10a) 480.4 ± 74.7 (243.2 – 654.1) 470.4

zValue indicates average and standard deviation of Korean wheat line with long spike and parenthesis includes ranges of Korean wheat line with long spike

Correlation coefficients among agronomic traits of Korean wheat line with long spike.

Parametersz DHD CL SL NSP NKPS TW TKW

CL 0.30***
SL 0.13 0.44***
NSP 0.21** 0.20** –0.10
NKPS 0.03 0.08 0.37*** –0.01
TW –0.50*** –0.17* –0.16* –0.17* –0.15
TKW –0.36*** 0.16* 0.20** –0.48*** –0.13 0.40***
GY –0.38*** –0.11 0.06 –0.09 0.14 0.29*** 0.26***

zDHD = days to heading date, CL= culm length, SL= spike length, NSP= number of spike per m2, NKPS= number of kernel per spike, TW= test weight, TKW=1000-kernel weight, GY= grain yield

y* indicates significance at 0.05 level, ** at 0.01 level, and *** at 0.001 level

Difference in agronomic traits of Korean wheat line with long spike carrying different vernalization and photoperiod genotypes using pair-wise t-test.

Agronomic Traitsz Vernalization Photoperiod


Vrn-A1 Vrn-D1 Ppd-D1



vrn-A1 Vrn-A1b vrn-D1 Vrn-D1a Ppd-D1a Ppd-D1b

No. Line 156 8 7 157 130 34
DHD 200.8ay 200.4a 200.7b 201.3a 200.5b 201.8a
CL (cm) 88.3a 90.0a 88.5a 85.7a 88.0a 89.5a
SL (cm) 11.7a 11.8a 11.8a 10.8b 11.8a 11.5a
NSP 651.0a 645.8a 673.8a 649.7a 640.3b 690.5a
NKPS 43.4a 42.6a 43.6a 39.3b 43.7a 41.9b
TW (g) 777.2a 769.7a 776.3a 787.8a 778.5a 770.2b
TKW (g) 44.7a 42.4a 44.7a 42.7a 45.6a 40.5b
GY (kg/10a) 479.9a 490.1a 481.3a 460.0a 501.1a 401.1b

zDHD = days to heading date, CL= culm length, SL= spike length, NSP= number of spike per m2, NKPS= number of kernel per spike, TW= test weight, TKW=1000-kernel weight, GY= grain yield

yValues followed by same letters within same characteristics at the same locus are not significantly different at P<0.05

Table 1. Agronomic traits in Korean wheat line with long spike and Keumkang.

Value indicates average and standard deviation of Korean wheat line with long spike and parenthesis includes ranges of Korean wheat line with long spike

Table 2. Correlation coefficients among agronomic traits of Korean wheat line with long spike.

DHD = days to heading date, CL= culm length, SL= spike length, NSP= number of spike per m2, NKPS= number of kernel per spike, TW= test weight, TKW=1000-kernel weight, GY= grain yield

* indicates significance at 0.05 level, ** at 0.01 level, and *** at 0.001 level

Table 3. Difference in agronomic traits of Korean wheat line with long spike carrying different vernalization and photoperiod genotypes using pair-wise t-test.

DHD = days to heading date, CL= culm length, SL= spike length, NSP= number of spike per m2, NKPS= number of kernel per spike, TW= test weight, TKW=1000-kernel weight, GY= grain yield

Values followed by same letters within same characteristics at the same locus are not significantly different at P<0.05