맥류 내냉성에 관한 연구 제5보 맥류근의 생육환경차이가 지하 및 지상부의 형질에 미치는 영향

서형수,박래경,Hyung-Soo Suh,Rae-Kyung Park 한국작물학회 1979 한국작물학회지 Vol.24 No.1

동일주에서 발생한 근을 이등분하여 생육환경을 바르게 하였을 때 근부와 지상부의 형질에 미치는 영향을 조사하였던 바 그 결과를 요약하면 1. 근의 생육에 좋은 환경에서 성장한 편보다 과습 과건등 좋지 못한 환경에서 성장한 편이 근수는 적고 근장은 짧았으며 근중은 가벼웠다. 2. 또 근의 양편 모두 생육에 좋은 환경에서 성장한 주보다 한편만이 좋지 못한 환경에서 성장한 주가 근수는 적고 근장은 짧았으며 근중은 가벼웠다. 3. 따라서 동일주에서 한편의 근을 생육환경을 불량하게 하였을 때 그 근에 직접 부착되어 있는 지상부의 생육에만 영향을 미치는 것이 아니고 일주전체에 영향이 있는 경향으로 4. 근의 양편 모두 생육에 좋은 환경에서 성장한 주보다 한편만이 좋지 못한 환경에서 성장한 주가 출수기는 지연되고 간장과 수장이 짧았으며 유효경비율도 낮았다. 5. 수량은 근의 생육량과 정의 유의상관을 보여 근의 생육이 좋은 환경에서 성장한 주에 비하여 임쪽이 좋지 못한 환경에서 성장한 주의 수량이 감수되었는데 감수정도는 과건>과습, 사토> 식양토 순위였다. interrelationship among the characters of the top and the root within a plant was investigated by deviding the roots of the plant into two parts and growing each one in two different environmental conditions, The roots grown on the poor environmental conditions such as over flooding moisture and overdried were less in numbers of root. shorter in root length. and lighter in root weight than those of good growing conditions, It was demonstrated that the roots grown under the poor environmental conditions affected not only the growing of the associated tillers but also the growing of all the tillers within a plant. In comparision with untreated plants. the culm length of treated plants was shortened. and the heading time of them was delayed. The most remarkable yield reduction was appeared at the over flooding moisture treatment. and the next was at the overdried treatment. The ten dency of yield reduction was more severe in sandy soil than that of clay loam.

보리 아코디온種型 遺傳子의 連關分析

Duck Young Suh(徐得龍),Eun Gi Cho(趙銀基),Hyung Soo Suh(徐亨洙) 한국육종학회 1991 한국육종학회지 Vol.23 No.2

The segregation mode and linkage relationship between accordion spike and 7 marker genes come from different each linkage groups were discussed in the F₂ population of barley. In the crosses between Accordion spike barley and genetic markers, the marker genes, br, li, al, k, B and o showed the 3:1(or 1:3), but cm of Black hulles Ⅲ could not find in this study. The segregation ratio of accordion spike and normal spike genes showed 3:1, and that linkage relationship was found between the accordion spike (acr) and hooded lemma gene (K) which locused on chromosome 4 of Colsess V, even if the recombination value was very low as 38.34%. The accordion spike gene appeared to be independent from the marker genes br, li, al, B and o on the linkage analysis.

脫芒性 보리의 까락特性과 遺傳

Duck Yong Suh(徐得龍),Hee Seang Park(朴熙生),Hyung Soo Suh(徐亨洙) 한국육종학회 1994 한국육종학회지 Vol.26 No.2

The genetic segregation of awn-brittleness (da2) and awn characteristics of a barley variety Milyang 55 were exammined. Awn of Milyang 55 shattered at 35~40 days after heading in the field. Its culm length was 85㎝ and head length was 3.2㎝. Heading date of this variety was April 23 and maturing date was May 30. Among yield components, number of spikes per ㎡ was 606, number of grains per spike was 52, and 1,000-grain weight was 31.9g. Grain yield per 10a was 268㎏ with lodging resistance. All F₁ plants of Milyang 55/Alchanbori showed normal awn. But F₂ progenies of this cross were segregated with the ratio of 13(normal) : 3(brittleness). This suggested that the inhibiting factor acts on the expression of awn-brittleness. In the cross of Milyang 55 and Milyang 6, the same genetic pattern also recognized. Milyang 55 and its progenies have very good agronomic characteristics, especially grain shape with awn-brittleness.

보리 品種의 耐倒伏性과 節間特性과의 關係

Duck Yong Suh(徐得龍),Eun Gi Cho(趙銀基),Hyung Soo Suh(徐亨洙) 한국육종학회 1991 한국육종학회지 Vol.23 No.2

A study was carried out to find the relationship between internode characters and lodging resistance in barley varieties. Regardless of 8 varieties or 3 lodging resistance groups, the first internode length from the top was the longest, and that shorter and shorter go to lower internode. Among the internodes, positive correlationship between the one and the next were highly recognized except between the second and the thrid. The percentage ratios of each internode length to the culm length were in diversity according to varieties. But this phenomina were little different among the groups, especially between strong and weak ones. The third internode diameter in all varieties was the thickest. Mean internode diameter of strong lodging resistance group was thicker than that of the other groups. In the relationship of each internode diameter, most of them were highly positive correlationship except between the first and the forth and fifth, the second and the fifth internode. Of the mineral content in culm, phosphoric acid and kalium content were lower, but calcium content was higher of strong lodging reistance varietal group than those of the other groups. On the while, magnesium content was almost the same among groups, but silicic acid content of strong lodging resistance group(4.30%) was higher than that of the weak group(2.38%) and medium group(2.76%).

보리 telotrisomic 個體의 後代轉達比率과 初期生育特性

Duck Yong Suh(徐得龍),Eun Gi Cho(趙銀基),Soon Jong Kweon(權純鍾),Hyung Soo Suh(徐亨洙) 한국육종학회 1991 한국육종학회지 Vol.23 No.1

Transmission rate of extra telocentric chromosomes and some agronomic characteristics were studied at early leaf stage in 11 monotelotrisomics and 4 ditelotrisomics, compared with each their sist-diploids of barley. Mean transmission rate of 11 monotelotrisomics was 27.5%, but that of 4 ditelotrisomics was 20.2% in next selfing generation. Observed the mitosis of Triplo 3S and 5S, 2n=14+2 telos and 2n=15 plants were found. Besides, in ditelotrisomics of Triplo 5S and 7S, 2n=15+1 fragment were found also. On the other hands, compared with sist-diploids, at eraly leaf stage, leaf color of Triplo 1L, 2L and 2S were dark green, and those leaf shapes of Triplo 1L and 2L were very long and narrow. In tillers of main stem, Triplo 1L, 1S and 2L were more than each their sistdiploids. But Triplo 1L and 2L were drooping shape in plant type, while the others wer erect or semierect. Root-system of Triplo 1L and 2L were well developed, long and more, but Triplo 4L and 7S were very poor. Ditelotrisomic 5S and 7S were almost the same in plant type, leaf shape and leaf color to each monotelotrisomic ones.

Agropyron × triticum 由來 多年生 小麥 agrotricum의 主要特性과 遺傳

Duck Yong Suh(徐得龍),Bong Ho Lee(李泰鎬),Hyung Soo Suh(徐亨洙) 한국육종학회 1987 한국육종학회지 Vol.19 No.4

Major agronomic characteristics of the progenies of the crosses between Agrotricum and Triticum cultivars and their perennial plant segregations were studied. Crossability of Agrotricum and Triticum was depending upon the crossed Triticum parents diversed from 18% to 44%. Perennial plants were segregated with 20% in F₁ and 12% in F₂ generation of Agrotricum × Olmil. Spikes per plant and grains per spike were less than those of Agrotricum. From the ratoon after first grain harvest, second harvest could be done. Spike length and yield components in second harvest were shorter and less than first ones, but little degree of decrease in grain weight and grains per spike were observed. The grain yield of promising perennial hybrid plant H26, was 40% of first harvest in the second.

보리 早熟 多收性 品種育成 硏究 Ⅱ. 收量構成要素의 品種間 差異

Duck Yong Suh(徐得龍),Hyung Soo Suh(徐亨洙) 한국육종학회 1991 한국육종학회지 Vol.23 No.1

To obtain the information of selection index for early maturing varieties of barley with high yield, 2 maturing groups which have 25 different varieties were applied. In early maturing group, the heritability of heading date was highest, and that maturing date, 1000 grain weight, grains per spike, spikes per ㎡ and grain yield were the next higher ones in order. But in late maturing group, this order was very similar to early group one except 1000 grains weight. On the point of correlationship between characteristics related with grain yield, in the early maturing group, there were positive correlationship between earliness and grains per spike, grain yield, while negative correlationship was there with spikes per ㎡. In the late maturing group, even if heading date and maturing date were high positive correlationship with grains per spike and with spikes per ㎡, there were negative correlationship between spikes per ㎡ and grains per spike. On the path-coefficient analysis, direct effect of grains per spike to grain yield was highest, in the early maturing varieties of yield components, while the one of 1,000 grain weight on grain yield was highest in the late ones.

大豆의 世代短縮에 關한 硏究 Ⅱ. 日長處理가 開花 및 成熟에 미치는 影響

Doo Chull Shin(申斗澈),Hyung Soo Suh(徐亨洙),Soo Kwan Lee(李壽寬) 한국육종학회 1992 한국육종학회지 Vol.24 No.4

For the four times of rapid generation advancement(RGA) of soybean in a year including two times of RGA in the greenhouse during winter, this experiment was conducted to investigate the method of two times of RGA for six months from May to October under different day lengths with natural temperature condition. For this experiment four soybean cultivars, H-25(maturity group, Ⅱ), Ishiharadaizu(Ⅱ), Milyangkong(Ⅲ-Ⅳ), Essex(Ⅴ) were planted on May 1 and August 1 in 1987 in 1/2,000a pots at the Yeongnam Crop Experiment Station(35° 29’ N, 128° 45’ E). And four different day lengths(natural, 12 hour, 10 hour and 8 hour photoperiods) were applied from unifoliate stage to flowering of soybean. The days from planting to flowering(DPF), flowering to maturity(DFM) and planting to maturity(DPM) were shortened effectively at the 10 hours day length at planting on May 1. DFM of Ishiharadaizu was the shortest by 84 days, and it of Essex was the longest by 97 days under 10 hours photoperiod among four cultivars planted on May 1. Also at planting on August 1, DFM of Ishiharadaizu was the shortest by 79 days and it of Milyangkong was the longest by 90 days under 10 hours photoperiod. Under 10 hours day length, the number of grains per plant of four cultivars were ranged from 33 to 59 at planting on May 1, and from 20 to 30 at planting on August 1. These results suggested that two times of generation could be advanced for six months from May 1 to October 31 by applying 10 hours day length from unifoliate to flowering, by harvesting immature soybean seeds before 15 to 20 days of maturity which have germinability over 80 percent.

十字花科植物의 原形質體培養과 融合에 關한 硏究 Ⅱ. 山東菜와 갓의 原形質體培養에 의한 植物體 再生

Byung Jun Park(朴炳俊),Hyung Soo Suh(徐亨洙),Gun Sik Chung(鄭根植),Jae Keun Sohn(孫再根) 한국육종학회 1987 한국육종학회지 Vol.19 No.3

The experiments were conducted to determine optimum concentration of various growth regulators in fresh and regeneration medium on which affect callus formation and plant regeneration from mesophyll protoplasts of Brassica campestris CV. “Koonweesandongchae” and Brassica juncea CV. “Kyungsangot”. The formation of microcallus from protoplast could be more successfully achieved when added weekly MS liquid medium containing 1.0mg/l NAA and 0.2mg/l BA in Brassica campestris and 0.2 mg/l 2.4-D, 1.0mg/l NAA and 0.2mg/l BA in Brassica juncea. Shoot differentiation from callus, 0.3cm in diameter was accomplished in MS medium containing 0.1mg/l IAA and 2.0mg/l Zeatin in Brassica campestris and 0.1mg/l IAA and 2.0mg/l Zeatin or 0.1mg/l NAA and 1.0mg/l BA in Brassica juncea.

밀 F₁ 약배양에 의한 식물체 분화 및 분화식물체의 배수성

권순종(Soon Jong Kweon),박동수(Dong Soo Park),고종민(Jong Min Ko),현종내(Jong Nae Hyun),서득룡(Duck Yong Suh),서형수(Hyung Soo Suh),남중현(Jung Hyun Nam),홍병희(Byung Hee Hong),오윤진(Yun Jin Oh) 한국육종학회 1997 한국육종학회지 Vol.29 No.2

Five combinations of early maturity wheat F₁ were conducted to anther culture and 345 green plants were obtained. Callus induction rate was 4.1%, plant regeneration rate 46%, green plant rate 88%, respectively. Liquid medium was effective to induce callus of wheat anther. Chromosome analysis of 102 plants showed 5 diploids, 1 aneuploid and 96 haploids. For breeding with anther culture in wheat, chromosome doubling process will be necessary.