• Plant Resources
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• 제5권2호
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• pp.118-123
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• 2002

In order to obtain the genetic information on the quantitative characters of black seeded soybeans, which would be needed to improve selection efficiency for breeding high yielding genotype, 45 varieties of black seeded soybeans collected in Chonnam, Korea were grown and variations of several important characters were observed. Heritability of each observed character, phenotypic and genotypic correlations among the characters and contribution of each yield component on grain yield through path coefficient analysis were estimated. Both number of pods per plant and 100-seed weight showed not only high heritability but also highly significant phenotypic and genotypic correlation with seed yield, and hence it was desirable to select plants with more number of pods per plant and higher 100-seed weight than raise seed yield of black seeded soybeans collected in Chonnam. In addition, number of pods per and 100-seed weight were proved to be the most influential variables on the viability of seed yield by path coefficient analysis. Since these showed the high heritability of number of pods per plant, selection of plants with higher 100-seed weight would be more efficient for breeding high yielding genotype.

• KSBB Journal
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• 제23권5호
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• pp.387-391
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• 2008

본 연구에서는 건조된 녹차 뿌리와 씨에 함유된 성분중에서 무기성분, 비타민, 총 아미노산과 유리 아미노산, 총 폴리페놀 및 그 구성 성분들의 함량을 분석하였다. 뿌리와 씨의 무기성분 중에서는 K의 함량이 각각 1,052 mg/100 g과 1,480 mg/100 g으로 가장 많았고, 뿌리에서 P, Ca, Mg, Na, Fe, Mn, Zn, Cu의 순으로, 씨에서는 P, Na, Ca, Mg, Mn, Fe, Cu, Zn의 순으로 함량이 많았다. 뿌리에서 vitamin C의 함량은 5.72 mg/100 g으로 가장 많았고 씨에서는 6.05 mg/100 g으로 나타났다. 비타민의 함량을 살펴 본 결과 녹차 뿌리보다 씨에 더욱 많은 종류의 vitamin이 함유되어 있었고 그 함량도 뿌리에 비해 다소 높은 경향이었다. 총 아미노산은 뿌리에 1,651 mg/100 g, 씨에 4,335 mg/100 g 함유되어 있어 각국 시판 녹차에 비해 그 함량이 높았고, 녹차에서 존재하지 않는 아미노산인 phenylalanine도 16.00 mg/100 g와 139.00 mg/100 g 존재하는 것으로 나타났다. 유리 아미노산의 경우, 뿌리에서 녹차의 품질을 평가하는 theanine이 전체 유리 아미노산 함량의 48%를 차지하였고 쓴맛을 내는 arginine, valine 및 tryptophan 등의 함량이 높았으며, 열매에서는 단맛과 감칠맛을 내는 glutamic acid, alanine, theanine, aspartic acid 및 serine 등의 함량이 많았다. 총 polyphenol은 뿌리에 237 mg/100 g으로 씨에서의 함량 81 mg/100 g보다 3배가량 높았다. Polyphenol 중 catechin의 함량은 뿌리에서 66 mg/100 g, 씨에서 1 mg/100 g으로 나타났고 caffeic acid는 뿌리에서 0.78 mg/100 g으로 나타났지만 씨에서는 검출되지 않았다. 또한 chlorogenic acid는 뿌리와 씨에서 각각 3.7 mg/100 g과 6.6 mg/100 g 검출되었다.

• Journal of Ecology and Environment
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• 제33권4호
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• pp.299-306
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• 2010

The use of local seed provenance is often recommended in forest restoration. Early vigor is a combination of the performance of seed germination and emergence after planting. The ability of young Brant's oak plants to grow and develop after emergence and its dependence on local habitat conditions was investigated in this study. The effects of seed source and shade on early growing seedlings of Brant's oak (Quercus brantii L.) were determined in field measurements. Seeds of Quercus brantii L. were collected from 4 forest areas (seed sources) in southern Zagros (Provinces of Kohkilouyeh-Bouyer Ahmad and Fars) at altitudes of 850, 1,100, 1,500, 2,100 m a.s.l., and planted in a nursery constructed in southwestern Iran. According to a split-plot design consisting of four blocks, each containing two main treatment plots (no shading, partial shading), each main plot was sub-divided into four sub-plots (for elevations of 850, 1,100, 1,500 and 2,100 m). Results showed that shade treatments had significant effects on emergence percentage and rate, shoot length, shoot dry weight (SDW), root dry weight (RDW), leaf area (LA), and chlorophyll content. Ecological factors also had an effect on seed performance. Altitude of seed source had a very significant effect on root length, LA, SDW, and RDW. The seeds collected from 850 m a.s.l. elevation showed the highest performance, especially in leaf area, root length, shoot dry weight, and root dry weight. Our results showed that the altitude of 850 m a.s.l. was the best for collecting Brant's oak seeds.

• 생명과학회지
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• 제10권4호
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• pp.317-325
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• 2000

A six parent dialled analysis was conducted to get basic information for improving yield of upland cotton. Heterosis, combining ability, genetic components and correlation coefficients for boll length, boll width, boll weight, 100 seed weight, lint weigth per boll and lint percentage were studied. Estimates of heterosis for all characters and heterobeltiosis for boll weight and lint weight per boll showed positive values. In general combining ability effect, 'Muan' and 'Imsung' showed highely positive effect in all characters. In specific combining ability effect, the combinations of 'Seungju${\times}$Imsung$.$Seosan${\times}$Imsung' for bll length, 'Cheju${\times}$Imsung$.$Seung${\times}$Imsung' for boll width, 'Cheju${\times}$Muan$.$Cheju${\times}$Imsung' for boll weight, 'Cheju${\times}$Soonchun$.$Muan${\times}$Imsung' for 100 seed weight, 'Soonchun${\times}$Muan' for lint weight per boll and 'Soonchun${\times}$Seosan$.$Seungju${\times}$Muan' for lint percentage showed highly positive effect. Partial dominance was observed for boll length, boll weight, 100 seed weight and lint weight per boll, complete dominance for boll width and overdominance for lint percentage. The number of effective gene group was estimated as one for all characters. The estimates of narrow and broad sense heritabilities were high for all characters except as one for all characters. The estimates of narrow and broad sense heritabilities were high for all characters except lint percentage. Correlation coefficients among the boll length, boll width, boll weight, 100 seed weight and lint weight per boll were positive, whereas lint percentage was negatively correlated with other characters.

• 한국작물학회지
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• 제31권1호
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• pp.19-23
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• 1986

27개 농가포장에서 인삼종자의 생산량 및 종자소질을 조사하였던 바, 그 결과를 요약하면 다음과 같다. 1. 포장별 채종량은 거의가 4~10$\ell$/간(간 : 180x90cm의 면적) 절위이였다. 2. 채종량이 많은 포장의 종자일수록 100입중, 4mm이하의 종자 생산 비율이 모두 낮아지는 경향이었다. 3. 전종자의 12%는 4mm이하의 종자이었으며 66%는 4-5mm, 22%는 5mm이하의 종자이었다. 4. 채종모본 선정 포장에서는 방임채종포에 비해 채종량은 감소되었으나 100입중, 4mm이하 종자의 생산비율은 오히려 증가되었다. 5. 종자의 길이와 폭 간에는 정(＋)상관이 인정되었으나 폭과 두께, 길이와 두께간에는 유의상관 인정되지 않았다. 6. 채종량은 채종모본의 생육상태에 따라 차이가 있었으나 4mm이하의 종자생산 비율을 감안할 때 100간당 7-8$\ell$ 미만 채종하는 것이 좋을 것으로 보여졌다.

• 생명과학회지
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• 제12권2호
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• pp.213-218
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• 2002

목화 특성을 고려한 4개 품종을 이면교배하여 얻은 F$_2$세대의 12개 조합을 재료로 각 형질에 대한 유전자의 분포상태 및 우성정도 등을 산출한 결과는 다음과 같다. 개서일수는 상가적 효과, 우성효과, 모본효과, 정역간의 효과에서 유의하였다. 주당삭수와 개화일수는 상가적 효과, 우성효과, 모본효과에서 유의하였고, 삭중, 삭당 실면중, 삭당 조면중, 종자수, 종자폭, 종자 100립중은 상가적 효과와 우성효과에서 유의하였으며, 종자장은 상가적 효과에서만 유의하였다. Vr-Wr graph에서 주당삭수, 삭중, 삭당 실면중, 삭당 조면중, 종자폭, 종자 100립중, 개화일수, 개서일수는 불완전 우성으로 유전되고, 삭당 종자수, 종자장은 초우성으로 유전되었다. 유전분산 성분에서 삭중, 삭당 실면중, 삭당 조면중, 삭당 종자수, 종자장, 개화일수는 상가적 효과가 우성효과보다 컸고, 주당삭수, 종자폭, 종자 100립중, 개서 일수는 우성효과가 상가적 효과보다 컸다. 협의의 유전력은 삭중, 삭당 실면중, 삭당 조면중, 개화일수, 개서일수가 43.19% 이상으로 높았고, 광의의 유전력은 주당삭수, 삭중, 삭당 실면중, 삭당 조면중, 종자장, 개화일수, 개서일수가 51.71% 이상으로 높았다.

• 한국작물학회지
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• 제38권5호
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• pp.437-441
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• 1993

양질의 밥밑콩 품종 육성 및 유전자원으로의 활용가능성을 검토하고자 전국에서 수집한 검정콩 965계통을 대상으로 종실의 외형적 특성과 그 분포를 조사한 바 그 결과를 요약하면 다음과 같다. 1. 수집검정콩 계통의 100립중 전국평균은 28.1g이었으며 도별 변이를 보면 경기도와 경북 수집 계통이 무거웠으며 전북, 전남지역이 가볍게 나타났다. 2. 성숙군별 100립중의 차이는 중, 만숙군에서는 성숙군이 늦을수록 100립중이 무거웠다. 3. 수집검정콩 종실의 입형은 대체로 타원형이었으며 길이:폭:두께 비율의 평균은 1:0.77:0.77이었다. 4. 수집검정콩의 자엽색 분포에서는 72%가 황색자엽이었으며 27%가 녹색자엽이었다.

• 한국작물학회지
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• 제45권4호
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• pp.227-231
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• 2000

Small seed size is one of the major traits of soybean cultivars for sprouts with regard to high sprout yield. This study was conducted to identify quantitative trait loci (QTL) for seed size and weight in a set of F 6 seeds of 89 lines derived from a cross between 'Pureunkong', a soybean cultivar developed for sprouts and 'Jinpumkong 2', a soybean cultivar with no beany taste in seed due to the lack of lipoxygenases. The genetic map of 25 linkage groups with a total of 98 markers including RFLP, RAPD, SSR and classical markers was constructed from this F/sbu 5/-derived population and was used for QTL analysis. 'Pureunkong' was significantly smaller (P＜0.01) than 'Jinpumkong 2' in seed size and seed weight. Genetic variation was detected and transgressive segregation was common in the population for these traits. Seven DNA markers including opT14-1600 in LG A2, opF02-400 in LG B2, Satt100, opC09-700, opG04-730 and opQll-650 in LG C2, and opY07-1100 ＆ 1000 in LG(unknown) were significantly associated and accounted for 4.7 to 10.9% and 5.1 to 10.1 % of the phenotypic variation in seed size and seed weight, respectively. 'Pureunkong' alleles increased seed size and seed weight at the all four significant marker loci on the LG C2. These marker loci in LG C2 were closely linked and were presumed to be a single QTL. Overall, at least three independent QTLs from 3 linkage groups (A2, B2, and C2) were putatively involved in the control of seed size and seed weight.

• 한국작물학회:학술대회논문집
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• 한국작물학회 2023년도 춘계학술대회
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• pp.142-142
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• 2023

Cowpea(Vigna unguiculata L. Walp) has excellent physical properties and texture of starch, so it is mainly used in various ways for songpyeon sediment, rice-cake paste, and porridge. To utilize it as various processed products such as songpyeon sediment and cowpea milk, 'Okhyun', which has green cotyledons and black seed coats and can be harvested by combine was developed. A cowpea variety 'Okhyun' was improved from the cross between IT145379 and IT208081 at the JARES in 2022. 'Okhyun' has an erect plant with an intermediate plant habit, a light purple-colored corolla, and heart-shaped leaflets. 'Okhyun' has green cotyledons and black seed coats, and has straight black brown pods when mature. The stem length of 'Okhyun' is 47cm, and the weight of 100-seed weight was 12.9g, which was lower than the control variety 'Okdang'(16.6g). 'Okhyun' contains 25.8mg/100g of anthocyanin, 279mg/100g of total polyphenols, and 335mg/100g of total flavonoids, respectively. The average yield of 'Okhyun' was 1.97ton per hectare, 11% higher than that of the control cultivar 'Okdang'. 'Okhyun'' does not require the installation of an espalier-net net, so it is possible to harvest with a combine. In addition, 'Okhyun' variety with green cotyledons and a black seed coat is expected to contribute to developing regional specialties and various processed products.

• Plant Resources
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• 제5권1호
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• pp.45-50
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• 2002

Korean cultivars of buckwheat(Fagopyrum esculentum Moench.) was crossed with Canadian cultivars in order to improve seed yield as well as leaf production of buckwheat for using as food and medicine. The agronomic characteristics and rutin contents of F$_2$ hybrids are investigated for further selection of superior lines. Dry weight per plant was the highest in a line 1110(6.71g) and leaf weight per plant was the highest in a line 1110(1.91g). Hybrid seeds were 0.55 - 0.70cm long and 0.37 - 0.47cm wide on average. 100 seeds weight ranged from 2.57g to 3.58g. Line 1076 produced the longest seeds(0.70cm) and line 1186 was the longest in seed width. Line 1196 showed the highest 100 seeds weight(3.58g). The highest frequency of the LWR(length/width rate) was 0.66~0.70, indicating that seed shape of the hybrids was mostly oval. Line 1087 showed the highest contents of rutin(77.26ppm). Lines 1090 and 1181 contained respectively rutin of 54.76ppm and 54.35ppm in the seeds. From the yield and rutin point of view, the most superior lines was line 1087 among the lines used for this study.