http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
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 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.
보리 早熟 多收性 品種育成 硏究 Ⅰ. 熟期類型 및 播種期에 따른 收量 및 收量構成要素의 比較
Duck Yong Suh(徐得龍)Dal Ung Kim(金達雄) 한국육종학회 1987 한국육종학회지 Vol.19 No.1
A study was carried to get basic information of barley breeding for early and high yielding varieties. In isogenic analysis, early variety was 19-2% lower in grain yield than late one. The grain yield was higher in the maturing type which flower early but mature late, while lower in other maturing type, flower late but mature early. In a tipical maturing type of Korean barley cultivars, which flower early and mature early, number of grains per spike and 1000-grains weight were major factors to increase the grain yield. In the different seeding date, maturing period of early variety was longer than late one. On the while, grain yield and number of spikes per square meter were decreased severely by the delay of seeding date, but number of grains per spikes and 1000-grains weight were not.
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.
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 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.
밀 品種 올밀과 야생 thinopyrum과의 屬間交雜 및 雜種植物의 특성
Jong Min Ko(高鍾旻),Dong Su Park(朴東洙),Duck Yong Suh(徐得龍),Hyung Soo Suh(徐亨洙),Bong Bo Seo(徐奉甫) 한국육종학회 1996 한국육종학회지 Vol.28 No.1
Intergeneric hybridizations have been carried out between Triticum aestivum cv. Olmil and 4 Thinopyrum species. Premature embryos were obtaind from cross combinations of T aestivum cv. Olmil pollinated with Th. junceum, Th. ponticum and Th. caespitosum, and ratios of premature embryo used for embryo rescue were 3.1%, 2.6% and 1.8%, respectively. In the crosses of Olmil and Th. junceum, 13 hybrids were regenerated by the embryo rescue technique, and fifteen hybrids from the crosses of Olmil and Th. ponticum were also obtained. The hybrids of Olmil(2n=6x=42) and Th. junceum(2n=6x=42) were hexaploid(2n=6x=42) while the hybrids of Olmil(2n=6x=42)×Th. ponticum(2n=10x=70) were octaploid(2n=8x=56), and both hybrids were sterile due to irregular chromosome pairings in meiosis. Agronomic charateristics of these hybrids were intermediate between their parents. Hybrids of Olmil and Th. ponticum can be divided into two groups, annual 4 plants resembling wheat and perenial 11 plants resembling Thinopyrum.