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반수체 밀 육성을 위한 밀 및 옥수수 품종 반응

Variation in Genotypic Responses of Wheat and Maize for Wheat Haploid Production

Korean Journal of Breeding Science 2014;46(3):203-208.
Published online: August 31, 2014

1 농촌진흥청 국립식량과학원

1 National Institute of Crop Science, RDA, Iksan 570-080, Korea

2 전북대학교 농업생명과학대학

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

*Corresponding Author (E-mail: sjyun@jbnu.ac.kr Tel: +82-63-270-2508, Fax: +82-63-270-2640)
• Received: June 30, 2014   • Revised: September 1, 2014   • Accepted: September 3, 2014

© 2014 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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  • Improvement of Selection Efficiency of Haploid Maize Seeds Using Fluorescence Imaging
    Younguk Kim, Jeong Heon Han, Jaeyoung Kim, Yeongtae Kim, Nyunhee Kim, Chaewon Lee, Seoyeoun Lee, Song Lim Kim, Moon Jong Kim, Si Hwan Ryu, Hongro Lee, Hyeonso Ji, Kyung-Hwan Kim, Jeongho Baek
    Korean Journal of Breeding Science.2022; 54(4): 276.     CrossRef
  • Effect of In Vitro Antioxidant Properties and Extract of Corn Husk on Serum Lipids in Mice
    Kyung-Ok Shin, Yong-Hwan Kim, Ki-Won Lee, Kyung-Soon Choi
    Journal of the East Asian Society of Dietary Life.2015; 25(2): 261.     CrossRef

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Variation in Genotypic Responses of Wheat and Maize for Wheat Haploid Production
Korean. J. Breed. Sci.. 2014;46(3):203-208.   Published online September 30, 2014
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Variation in Genotypic Responses of Wheat and Maize for Wheat Haploid Production
Korean. J. Breed. Sci.. 2014;46(3):203-208.   Published online September 30, 2014
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Variation in Genotypic Responses of Wheat and Maize for Wheat Haploid Production
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Fig. 1. Production of haploid wheat in wheat x maize crosses. A : maize genotypes used as pollinators, B and C : seeds set in wheat × maize crosses 14 days after pollination, D : immature embryo developed in haploid seed, E : regeneration of haploid plantlets from immature embryos.
Variation in Genotypic Responses of Wheat and Maize for Wheat Haploid Production

Responses of wheat cultivars for embryo formation and plantlet regeneration in crosses with maize (cv. Gangdaok) pollens.

Wheat Cultivars Florets pollinated (A) Seed set (B) Embryos rescued (C) Regenerated plantlets (D) %
B/A C/B D/C D/A

Alchan 270 196 35 25 72.6 17.9 71.4 9.3
Jokyung 254 188 40 25 74.0 21.3 62.5 9.8
Keumkang 286 231 51 27 80.0 22.1 52.9 9.4
Sukang 282 221 43 27 78.4 19.5 62.8 9.6
Uri 268 178 19 10 66.4 10.7 52.6 3.7

Mean 272 203 37.6 22.8 74.6 18.5 60.6 8.4
LSD(0.05) - - - - NS 10.6 3.6 2.4
CV(%) 13.9 16.4 14.6 20.7

Responses of five selected wheat F1 lines for embryo formation and plantlet regeneration in crosses with maize (cv. Gangdaok) pollens.

Wheat F1z Florets pollinated (A) Seed set (B) Embryos rescued (C) Regenerated plantlets (D) %
B/A C/B D/C D/A

08WG032 252 177 29 14 70.2 16.4 48.3 5.6
08WG036 240 161 26 18 67.1 16.1 69.2 7.5
08WG046 247 203 26 16 82.2 12.8 61.5 6.5
08WG074 264 195 38 27 73.9 19.5 71.1 10.2
08WG084 261 94 14 8 36.0 14.9 57.1 3.1

Mean 253 184 29.8 18.8 65.9 15.9 61.4 6.6
LSD(0.05) - - - - NS 4.3 9.4 3.2

08WG032 (Prina/Iksan 313), 08WG036 (Joeun/highamy//Joeun), 08WG046 (Uri/D7 (951188-G3-G1)), 08WG074 (Jokyung/Joeun), 08WG084 (Eunpa/Jokyung)

Effects of maize genotypes for embryo development and plantlet regeneration in crosses with wheat (cv. Keumkang).

Maize cultivars Seed set (%)z Embryo formation (%) Embryo efficiency (%) Regenerated plantlets (%)

Gangdaok 82.4 21.7 12.2 9.5
Gangilok 67.9 24.5 16.7 9.5
Jangdaok 81.7 13.4 11.0 7.6
Kwangpyeongok 80.8 14.3 11.5 12.9
Mibaek #2 77.9 11.9 9.3 8.1
Mibaekchal 79.1 14.7 11.6 9.3
Miheukchal 73.3 23.4 16.6 10.4

Mean 77.6 17.7 12.7 9.6
LSD(0.05) 3.8 9.6 7.9 3.4

Seed set (%) = (seeds developed/florets pollinated) ×100 Embryo formation (%) = (embryo formed/seeds developed) ×100 Embryo efficiency (%) = (embryo formed/florets pollinated) ×100 Regenerated plantlets (%) = (Regenerated plantlets/florets pollinated) ×100

ANOVA for seed set and embryo formation for the different wheat and maize cultivars.

Source of variation Degree of freedom Mean squares
Seed set Embryo formation

Replications 2 106.7 8.4
Wheat cultivars (W) 4 157.6** 218.7**
Maize cultivars (M) 6 768.2** 846.3**
W M interaction 24 159.4** 46.7
Error 70 37.9 6.8

Mean - 73.5 9.4
CV (%) - 16.4 15.6

Significant at P < 0.01.

Table 1. Responses of wheat cultivars for embryo formation and plantlet regeneration in crosses with maize (cv. Gangdaok) pollens.
Table 2. Responses of five selected wheat F1 lines for embryo formation and plantlet regeneration in crosses with maize (cv. Gangdaok) pollens.

08WG032 (Prina/Iksan 313), 08WG036 (Joeun/highamy//Joeun), 08WG046 (Uri/D7 (951188-G3-G1)), 08WG074 (Jokyung/Joeun), 08WG084 (Eunpa/Jokyung)

Table 3. Effects of maize genotypes for embryo development and plantlet regeneration in crosses with wheat (cv. Keumkang).

Seed set (%) = (seeds developed/florets pollinated) ×100 Embryo formation (%) = (embryo formed/seeds developed) ×100 Embryo efficiency (%) = (embryo formed/florets pollinated) ×100 Regenerated plantlets (%) = (Regenerated plantlets/florets pollinated) ×100

Table 4. ANOVA for seed set and embryo formation for the different wheat and maize cultivars.

Significant at P < 0.01.