북한 벼 유전자원의 중부지역에서의 주요 농업 특성 비교 = Comparison on Agricultural Characteristics of North Korean Rice Germplasm between Central Plain and Mid-Northern Plain in Korea

국문 초록 (Abstract)

본 연구는 북한에서 개발된 벼 유전자원들을 중부지역에서 재배하여 주요 농업적 특성을 분석하여 북한지역 적응 벼 신품종개발 연구에 유용한 유전자원으로 활용하고자 실시한 결과는 다음과 같다.
1. 수집된 북한 벼 유전자원은 수원과 철원에서 7월 10일부터 8월 10일까지 분포하는 조생 및 준조생 자원이었다. 2. 북한 벼 유전자원들의 출수기는 두 지역 간에 유의한 차가 인정되었으며, 조생자원에서 철원이 수원보다 출수가 빨라지는 경향이었으나, 준조생 자원은 반대로 철원에서 출수가 늦어지는 경향이었다. 3. 간장, 수장, 주당수수, 수당립수 및 등숙률은 두 지역 간에 고도의 유의한 차가 인정되었으며, 간장과 수장은 수원에서 철원보다 더 길었으며, 주당수수 및 수당립수는 수원이 많았고, 등숙률은 수원이 철원보다 높았다. 4. 현미천립중은 지역 간 유의성이 인정되지 않았으나, 지역 x 품종의 교호작용은 고도의 유의차가 인정되었으며, 정현비율과 ha당 백미수량은 지역간 고도의 유의성이 인정되었으며, 정현비율은 철원이 높았고, ha당 백미수량은 수원이 많았다. 5. 북한 벼 유전자원들은 흰잎마름병 K2, K3, K3a 균주에 약한 특성을 보였고, 도열병밭못자리검정에서는 중이상의 저항성을 보였다.

다국어 초록 (Multilingual Abstract)

This study was carried out in Suwon-central plain, and Cheorwon, mid-northern plain of Korea to evaluate agricultural characteristics including heading date and yield component for NorthKorean rice germplasm. The difference between two regions of the heading dates of germplasm was recognized the significance and early matured group growing in Cheorwon tended to flower earlier thanthat of Suwon while mid-early matured group showed an opposite result. The other agricultural characteristics such as culm length, panicle length, number of panicles per hill, number of grains per panicle,and ripened grain ratio, of the two regions of all traits were highly significant, especially culm length and panicle length in Suwon were longer than those were growing in Cheorwon. Number of panicles per hilland number of grains per panicle in Suwon were more than that were growing in Cheorwon, and ripened grain ratio in Suwon was higher than that of Cheorwon. The another difference between both theregions, of 1000-grain weight was not significant while the effect of interaction between the regions and variety was highly significant. Whereas brown/rough rice ratio and milled rice yield were highly significant;higher in Cheorwon for brown/rough rice ratio and in Suwon of milled rice yield. Additionally, the results concluded that, the North Korean rice germplasm showed susceptible response to bacterial leafblight(BLB) races such as K2. K3, and K3a but more than mid-range resistant response to rice blast.

참고문헌 (Reference)

• 1 정진일, "평야지재배 조생종 벼의 이화학적 및 식미특성 분석" 한국국제농업개발학회 16 (16): 345-349, 2004
• 2 양원하, "북한 벼 품종의 지대별 출수반응" 한국국제농업개발학회 16 (16): 68-75, 2004
• 3 Dong Sam Cho, "Studies on the Duration and Rate of Grain Filing in Rice (Oryza sativa L.) : I. Varietal Difference and Effects of Nitrogen" 32 (32): 103-111, 1987
• 4 Mun Hue Heu, "Some Agronomic Characteristics of Land Varieties of Rice Collected in Korea and China" 31 (31): 421-427, 1999
• 5 Won Ha Yang, "Response of Temperature and Daylength of North Korean Rice Varieties" 13 (13): 52-57, 2001
• 6 Jung Soo Park, "Nitrogen Response on Growth and Yield in rice Varieties of North Korea and China" 11 (11): 363-371, 1999
• 7 Youn-SangCho, "Diversity of Agronomic Characteristics of North Korean Rice Cultivars" 한국육종학회 34 (34): 316-321, 2002
• 8 Young Doo Kim, "Comparison of Yield Performance and Grain Properties of North Korean Rices between Alpine and Lowland Area in Southern Part of Korea" 41 (41): 578-585, 1996
• 9 Rural Development Administration, "Collaborative Research Plan for the Development of New Varieties of Summer Crops" 31-40, 2016
• 10 Eung Gee Jeong, "Cold Tolerance in Rice Varieties of North Korea" 32 (32): 45-50, 2000