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충남평야지에서 극조생 ‘빠르미’ 벼 이앙시기에 따른 생육 및 품질 변화

윤여태*, 김규철, 조기원, 윤덕상

Changes in Growth and Quality Traits According to Transplanting Dates using ‘Bbareumi’, an Extremely Early Maturing Rice Cultivar, in the Chungnam Plain Area

Korean Journal of Breeding Science 2022;54(4):305-314.
Published online: December 1, 2022

충청남도농업기술원 작물연구과

Crop Research Department, Chungcheongnam-do Agricultural Research and Extension Services, Yesan, Chungcheongnam-do, 340861, Republic of Korea

*Corresponding Author: (E-mail: yotai@korea.kr, Tel: +82-41-635-6042, Fax: +82-41-635-7921)
• Received: October 10, 2022   • Revised: November 3, 2022   • Accepted: November 4, 2022

Copyright © 2022 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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    Korean Journal of Breeding Science.2024; 56(1): 63.     CrossRef
  • Changes in the Growth and Yield of an Extremely Early-Maturing Rice Variety According to Transplanting Density
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  • Effect of Nitrogen Application Methods on Yield and Grain Quality of an Extremely Early Maturing Rice Variety
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Changes in Growth and Quality Traits According to Transplanting Dates using ‘Bbareumi’, an Extremely Early Maturing Rice Cultivar, in the Chungnam Plain Area
Korean. J. Breed. Sci.. 2022;54(4):305-314.   Published online December 1, 2022
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Changes in Growth and Quality Traits According to Transplanting Dates using ‘Bbareumi’, an Extremely Early Maturing Rice Cultivar, in the Chungnam Plain Area
Korean. J. Breed. Sci.. 2022;54(4):305-314.   Published online December 1, 2022
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Changes in Growth and Quality Traits According to Transplanting Dates using ‘Bbareumi’, an Extremely Early Maturing Rice Cultivar, in the Chungnam Plain Area
Image Image Image Image Image Image Image Image
Fig. 1 Daily temperature during rice growing season in the average of ten years from 2012 and 2021. Black, gray, and broken lines indicate mean air temperature, maximum, and minimum temperature, respectively. Data were obtained from the website of the Korean Meteorological Administration (https://www.weather.go.kr).
Fig. 2 Changes of plant growth according to the transplanting dates. ‘Bbareumi’ was transplanted on 4.17(A), 5.01(B), 5.17(C), 6.01(D), 6.16(E), 7.01(F), 7.16(G), 8.01(H), respectively. PH: plant height, TN: Tiller number per plant. Each data point is the mean of 2 years.
Fig. 3 Days to heading and accumulated temperature from transplanting to heading according to transplanting dates. DTH: Days to heading after transplanting. ATTH: Accumulated temperature from transplanting to heading. Data of heading date and mean temperature for 2 years from 2019 to 2020 were used, and each data point is the mean of 2 years.
Fig. 4 Milled rice yield of ‘Bbareumi’ according to the transplanting dates. Each data is the mean of 2 years. Numbers followed by the same letter in each column are not significantly different based on Duncan’s multiple range at p<0.05.
Fig. 5 Correlation between protein content and growing periods of ‘Bbareumi’ (A: Number of days from transplanting to heading, B: Number of days from heading to harvest, C: Number of total growing period). Harvest was determined when accumulated temperature reached to 1,000℃ after heading. Each data point is the mean of each year. **: significant at p<0.01, ns: not significant.
Fig. 6 Mean temperature during ripening stage (30days after heading) according to the transplanting dates. Data of heading date and mean temperature for 2 years from 2019 to 2020 were used, and each data point is the mean of 2 years.
Fig. 7 Correlation between mean temperature during ripening stage (30days after heading) and head rice percentage. Data of head rice percentage and mean temperature for 2 years were used, and each data point is the mean of each year. **: significant at p<0.01.
Fig. 8 Mean air temperature for 30 days after heading in the Chungnam plain area. Data for 10 years from 2012 to 2021 were obtained from the website of the Korean Meteorological Administration (https://www.weather.go.kr). Heading date of extremely early and early maturing rice cultivar was indicated based on early transplanting (Late April to early May). Heading date of medium, medium-late and late maturing rice cultivar was indicated based on normal transplanting (Late May).
Changes in Growth and Quality Traits According to Transplanting Dates using ‘Bbareumi’, an Extremely Early Maturing Rice Cultivar, in the Chungnam Plain Area

Growth of ‘Bbareumi’ according to the transplanting dates.

T.Dz (m.dd) Heading date
(m.dd)
Culm length
(cm)
Panicle length
(cm)
No. of panicle (ea/plant) No. of spikelet Ripened grain
(%)
1,000 grains weight (g)
ea/panicle ea/m2
4.17 6.23 64.7b 18.8a 13.6c 87.0a 32,974b 79.5ab 20.4a
5.01 6.24 66.0ab 19.0a 15.8a 81.5b 35,828a 81.7a 20.1ab
5.16 7.02 67.1a 18.8a 15.4ab 82.6b 35,439a 77.3b 20.0ab
6.01 7.13 68.5a 18.9a 16.1a 80.5b 36,053a 76.3b 20.3a
6.16 7.23 65.6ab 18.6a 16.0a 80.2b 35,658a 76.3b 20.5a
7.01 8.04 61.7c 17.7b 14.9b 78.8bc 32,618b 77.2b 19.8b
7.16 8.17 60.8c 17.9b 14.2c 76.7c 30,229c 78.5ab 19.7b
8.01 9.02 57.6d 16.8c 12.2d 71.9d 24,302d 67.2c 19.3c

Protein content of ‘Bbareumi’ according to the transplanting dates.

Transplanting dates (m.dd) 4.17 5.01 5.16 6.01 6.16 7.01 7.16 8.01
Protein content
(%)
6.9e 7.1d 7.6c 7.8c 8.3b 8.2b 8.7a 8.7a

Appearance traits of ‘Bbareumi’ according to the transplanting dates.

Transplanting date
(m.dd)
Appearance traits (%)
Head Chalky Broken Damaged
4.17 85.0b 9.6c 5.1a 0.3d
5.01 86.8b 10.1c 2.7bc 0.4cd
5.16 83.7b 11.8bc 3.9ab 0.6b
6.01 73.5d 24.1a 2.0cd 0.5b
6.16 79.9c 15.2b 4.1ab 0.8a
7.01 86.0b 12.7bc 1.1d 0.3d
7.16 93.5a 4.3d 1.5cd 0.7a
8.01 95.0a 3.7d 0.8d 0.5bc
Table 1 Growth of ‘Bbareumi’ according to the transplanting dates.

zTD: Transplanting dates. Means within columns with the same letter are not significantly different at p<0.05.

Table 2 Protein content of ‘Bbareumi’ according to the transplanting dates.

Means with the same letter are not significantly different at p<0.05.

Table 3 Appearance traits of ‘Bbareumi’ according to the transplanting dates.

Means within columns with the same letter are not significantly different at p<0.05.