한국작물학회지 (KOREAN JOURNAL OF CROP SCIENCE)

  • 제63권3호
  • /
  • Pages.196-204
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  • 2018
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  • 0252-9777(pISSN)
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  • 2287-8432(eISSN)
한국작물학회 (The Korean Society of Crop Science)
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전북지역 간척지에서 최고품질 벼 품종의 작물학적·이화학적 특성 비교 및 선발

Evaluation of Various Characteristics of High Quality Rice Varieties That Could Potentially be Grown on Reclaimed Land in Jellabuk Province, Korea

  • Choi, Chang-Hak (Jeollabuk-do Agricultural Research and Extension Service) ;
  • Kim, Kab-Cheol (Jeollabuk-do Agricultural Research and Extension Service) ;
  • Lee, Deok-Ryeol (Jeollabuk-do Agricultural Research and Extension Service) ;
  • Cho, Seung-Hyun (Jeollabuk-do Agricultural Research and Extension Service) ;
  • Cho, Dae-Ho (Jeollabuk-do Agricultural Research and Extension Service) ;
  • Lee, Song-Yi (Jeollabuk-do Agricultural Research and Extension Service) ;
  • Lee, In-Sok (Jeollabuk-do Agricultural Research and Extension Service)
  • 투고 : 2018.04.10
  • 심사 : 2018.08.12
  • 발행 : 2018.09.30
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초록

현재까지 최고품질 벼 품종은 수광벼를 포함하여 15개 품종이 육성되었다. 본 연구는 이 중 전북지역 적응 품종(7개)을 대상으로 간척지에 적합한 품종을 선발하기 위해 생육특성, 수량, 품질 및 식미치를 분석한 결과는 다음과 같다. 1. 출수기는 2년 평균 수광벼가 가장 8월 12일로 가장 빨랐고, 영호진미의 분얼수는 2년 동안 평균 19개로 편차가 없어 재배 안전성이 우수하였다. 간장은 2년 평균 수광벼가 81.8 cm로 가장 컸고 수장은 현품벼가 가장 컸다. 2. 포장도복, 깨시무늬병, 잎짚무늬마름병 및 기타 병해충도 모든 품종에서 2년간 관찰되지 않았다. 3. 등숙률은 2015년에 수광벼가 가장 높았지만 2016년 및 2년 평균은 품종간 차이가 없었다. 천립중은 신동진벼가 2년 평균 27.7 g으로 가장 높았고, 6개 품종은 유의적인 차이가 없었다. 수당립수는 2015년에 신동진벼가 가장 많았고 2016년에는 호품벼 및 수광벼가 많았다. 그러나 2년 평균값은 품종별 차이가 없었다. 수량은 2년 평균은 신동진벼(590) > 호품벼(575) > 영호진미벼(552) > 수광벼(551) > 호품벼(543) > 미품벼(534) > 해품(498 kg/10a)순으로 높게 조사되었으나 유의성은 없었다. 호품벼의 연 차간 수량 차이가 108 kg/10a로 가장 컸고 영호진미벼(12 kg/10a), 미품벼(20 kg/10a) 및 수광벼(24 kg/10a)의 연차간 수량차이가 상대적으로 적어 재배 안정성을 보였다. 2년간 천립중, 수당립수 및 수량의 평균값에 대해 상관관계를 분석한 결과 천립중 차이가 수량 차이의 직접적인 원인인 것으로 확인되었다(p < 0.05). 4. 2015년에 완전립 비율은 미품벼, 영호진미벼, 해품벼, 현품벼 및 신동진벼가 유의성 있는 증가를 보였고, 2016년에는 영호진미벼의 완전립 비율이 가장 높았다. 그러나 2년 평균값은 품종들간 유의성이 없었다. 단백질 함량은 2015년에는 영호진미벼, 2016년에는 해품벼에서 유의성 있는 차이를 보였으나 2년 평균값은 차이가 없었다. 아밀로스 함량은 수광벼의 2년 평균값이 가장 낮았으나 다른 품종들과 유의성은 없었다. 토요식미계의 값은 미품벼 및 수광벼 순으로 높았다. 5. 따라서 수량 및 완전미율 연차간 변이, 단백질 및 아밀로스 함량, 토요식미치를 기준으로 평가했을 때 전북지역 간척지 적합 품종은 수광벼로 판단된다.

The main objective of this study was to identify the best quality rice for cultivation on reclaimed land in Jeollabukdo-Province based on yield, head rice ratio, protein content, amylose content, and Toyo taste value evaluations. Seven varieties of rice were grown for two years on the reclaimed land. The Sukwang variety had the earliest heading date. The tiller number for the Younghojinmi variety was 19 on average, and its variation in tiller number was the lowest, which showed that the safety for cultivation of the variety was high on the reclaimed land with respect to that of the other varieties. The culm and panicle lengths of the Sukwang and Hyunpum varieties were the highest at 81.8 and 21.3 cm, respectively. Shindongjin produced the highest thousand grain weight at 27.7 g, whereas Haepum produced the lowest at 22.3 g. The number of grains per panicle for 7 all varieties was statistically equal for both years. The yield order for the varieties was Shindongjin (590) > Hopum (575) > Younghojinmi (552) > Sukwang (551) > Hopum (543) > Mipum (534) > Haepum (498 kg/10a), which showed that there was no significant difference in average yield between the varieties when both years are taken into consideration. However, the annual difference in Haepum yield between 2015 and 2016 was the highest at 108 kg/10a, indicating low cultivation safety. The head rice ratio of Younghojinmi was higher than for the other cultivars in both 2015 and 2016. However, there was no significant difference between the 2 years when the averages for all varieties were analyzed. There was was a considerable difference in protein and amylose content between the varieties in the two years, although this was not apparent in the results when the average over 2 years for each variety was calculated. There was no significant difference between the two years with respect to the average head rice ratio, and the protein and amylose contents of the seven varieties. The Toyo taste values for the Sukwang and Mipum varieties were higher than for the other varieties. Based on the principle characteristics, such as Toyo value, the Sukwang variety is a suitable substitute for Shindongjin, which has been previously used to produce high-quality rice on the reclaimed land.

키워드

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