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Yeaul Kue Seung(成烈圭) 한국육종학회 1996 한국육종학회지 Vol.28 No.2
This study was carried out to get the varietal genetic differences for flowering and maturity in soybean. And a diallel cross from 6 soybean varieties was used to investigate combining ability and gene action for flowering and maturity. Highly significant GCA(General Combining Ability) and SCA(Specific Combining Ability) effects were observed on DPF(Days from Planting to Flowering) and DPM(Days from Planting to Maturity) in F₁ and F₂, and GCA effect was greater than SCA effect, which suggested that additive effect was greater than the dominance. Okuharawase, Yuhsuzumi, and Paldalkong had GCA effect of early flowering and maturity in F₁ and F₂, whereas Jangyeobkong, Danyeobkong, and Dogyukong had GCA effect of late flowering and maturity. The SCA effect was different from cross combinations.
콩 二面交雜 F₁, F₂및 여交雜集團을 利用한 開花ㆍ成熟期 遺傳과 遺傳子作用 分析
Yeul Gue Seung(成烈圭),Chang Hwan Cho(曺章煥),Seang Min Kim(金成敏) 한국육종학회 1994 한국육종학회지 Vol.26 No.4
This experiment was carried out to get the genetic information for increase breeding efficiency in soybean. Six soybean varieties were used as diallel-cross materials to investigate the inheritance of flowering and maturity. Incomplete dominance with large additive effect was present according to the genetic parameter of variance component for days from planting to flowering(DPF) and days from planting to maturity (DPM). The DPF was ruled by more recessive alleles and DPM by more dominant alleles. A few genes were thought to govern the DPF and DPM. By Wr/Vr graph analysis, relevant genes for DPF and DPM acted as partial dominance and the dominance order of parents was changed along with generation. Okuhara wase was dominant in DPF, while Paldalkong was recessive. Yuhsuzumi and Danyeobkong were dominant in DPM, while Okuhara wase and Paldalkong were recessive. By the generation mean analysis, all three soybean crosses revealed that additive gene effect was significantly high in both DPF and DPM. F₂ individuals in all three soybean crosses showed continuous normal distributions of DPF skewed to late parent and transgressive segregations of DPF over the early or late parent. F₂ distributions of all three crosses for DPM were also continuous ones having central peak near mid-parent with transgressive segregations mainly toward to the earlier direction over the early parent. All genotypic correlation coefficients was higher than phenotypic one and interrelationships among DPF, days from flowering to maturity(DFM) and DPM was closely associated. Broad sense heritability was fairly high for DPF(0.645) and DPM(0.678) in F₂.
Yeul Gue Seung(成烈圭),Suk Ha Lee(李錫河),Yong Ho Kim(金龍昊),Seok Dong Kim(金奭東),Eun Hee Hong(洪殷熹) 한국육종학회 1994 한국육종학회지 Vol.26 No.1
Exact estimates of genotype×location interaction are of major concern to the plant breeder in developing improved varieties. This study were conducted to compare the growth characters of Korean native black soybean lines grown in Korea and Taiwan, and to examine the selectable growth characters regardless of locations. One hundred and forty Korean native black soybean genotypes were evaluated in two different locations(Taiwan and Korea) for growth and yield characters. Average DPM(days from planting to maturity) was larger in Korea(141 days) than in Taiwan(102 days), and DPF(days from planting to flowering, 24 days) was shortened more than DFM(days from flowering to maturity, 15days) in Taiwan. One hundred seed weight was not different from two locations, and seed yield was 245, 192㎏ per 10 are in Korea and Taiwan, respectively. All the growth characters were closely related to the flowering and maturity responses in Korea, whereas plant height and pod number/plant were not in Taiwan. Significant correlation between DPF and DPM was present in Korea. But in Taiwan DPF was negatively correlated with DFM. Selectable characters regardless of locations were suggested to be DFM, plant height, and 100-seed weight in which significant correlation were found between Korea and Taiwan.
콩 播種期에 따른 開花ㆍ成熟期 및 種實重의 品種間反應 差異
Yeaul Kyu Seung(成烈圭),Suk Ha Lee(李錫河),Yong Ho kim(金龍昊),Seok Dong Kim(金奭東),Kill Woong Chung(鄭吉雄),Chang Sik Moon(文昌植) 한국육종학회 1995 한국육종학회지 Vol.27 No.3
This experiment was carried out to get the varietal difference and year variation in flowering, maturity, and grain yield per plant for two years, 1991 and 1992, in response to five planting times each year from April 20 to July 10 with twenty days interval in fifty-five soybean varieties. The results were summarized as follows: Days from planting to flowering(DPF), flowering to maturity(DFM), planting to maturity(DPM), and grain yield per plant showed the highly significant variation for year, planting time, variety and planting time×variety. The variation of DPF and DPM by planting time was larger in early planting than late planting. The standard deviation(SD) of DPF was 11.4 at early planting, 4.0 at late planting, while the SD of DFM was 10.6 at early planting and 9.1 at late planting. The shortening degree of DPF by late seeding was small in early varieties and large in late varieties. Also, the early varieties showed less shortening in DPM duration by late seeding compared to the late maturing varieties. Yield per plant at early planting from April 20 to May 30 was almost same, but those at late planting from June 20 to July 10 was rapidily decreased.
현웅조,정종민,강경호,정지웅,이상복,이정희,성열규,이점호 한국육종학회 2015 한국육종학회 심포지엄 Vol.2015 No.07
우리나라는 최근 몇 년 동안의 풍년과 소비감소로 인해 쌀 재고가 사회문제로 대두되고 있다. 그러나 세계적으로는 식량부족에 대한 우려와 함께 지구온난화, 엘리뇨 등으로 홍수, 가뭄, 폭설, 여름철 이상저온과 같은 기상이변이 지구촌 곳곳에서 속출하고 있다. 최근 우리나라에서도 봄철 가뭄, 동해안 지역의 잦은 폭설, 주기적으로 찾아오는 여름철 이상저온 등 크고 작은 기상이변이 해마다 발생하고 있어 쌀의 안정적 공급을 강화하기 위한 대비가 필요한 실정이다. 특히 여름철 이상저온이 발생하여 벼의 생육에 알맞은 기온범위인 19℃∼33℃보다 기온이 13℃∼17℃이하로 낮아지게 되는 경우, 생육불량·불임·등숙불량 등의 피해를 유발하여 결과적으로 수량감소로 이어진다. 벼 냉해를 막는 가장 좋은 방법은 내냉성이 우수한 벼 품종의 개발이다. ‘진부61호’는 내냉성과 더불어 쌀수량 및 품질이 향상된 중북부 고랭지에 적응하는 조생품종 육성을 목적으로 ‘진부’를 모본으로 하고 ‘운광’을 부본으로 하여 2006년에 인공교배 되었다. 계통육종법에 의해 세대를 진전시킨 후 고정세대에서 실시한 생산력검정 시험에서 쌀수량이 5.49MT/ha로 진부보다 10% 증수하였다. ‘진부59호’의 출수기는 7월 26일로 조생종이며 간장이 69cm 정도로 ‘진부와 비슷하고 수당립수는 80개 정도이다. ‘진부61호’의 13℃ 저온발아성은 99%로 우수하고 유묘내냉성이 강할 뿐만 아니라 생식생장기에서도 17℃ 포장냉수구 임실율이 높아 생육전시기에 내냉성을 두루 갖춘 계통이다. 향후 지역적응성 검정 후 품종출원 하여 내냉성 품종 다양화 및 수량성 개선에 부응할 것으로 기대된다.