한국의 야생콩 40종, 육성품종 21품종 및 중국길림성 야생콩 36종의 97종에 대하여 다형성이 높은SSR 9개 마커를 사용하여 유전적 다양성과 유연관계를 분석하였다. 전체 97종에서 대립인자는 총291개로 확인되었고, 그 범위는 21～39개였으며 평균 32.3개였다. 또한 한국 야생콩의 대립인자 평균치는 15.2개, 한국 육성품종은 11.3개, 중국 길림성의 야생콩은 12.7개였다. 전체 97종의 유전적 다양성(PIC) 값의 범위는 0.960(satt185)～0.896(satt141)이었고, 평균 유전적 다양성(PIC) 값은 0.937이었다. 또한 유전적다양성은 한국 야생콩은 0.871, 한국 육성품종은 0.858, 중국 야생콩은 0.821으로서 큰 차이가 없었다. 유전적 거리에 의해 7그룹으로 분류되었으며, 1그룹에는 한국 야생콩, 2그룹에는 중국 야생콩, 5그룹에 한국 육성품종만이 모두 속해 있었다. 3과 4그룹에는 중국 야생콩이 주로 속하였으나 한국 야생콩이 각 그룹에2종씩 속하였고, 6과 7그룹은 한국 야생콩이 주로 속하였으나 중국 야생콩이 각 그룹에1 종씩 속하였다. 한국 야생콩과 육성품종 및 중국 길림성 야생콩 간에는 유전적다양성이 큰 차이가 없었으나 유연관계는 각 집단 간에 큰 차이가 있었으며 일부 한국 야생콩과 중국길림성 야생콩의 몇 종이 유연관계가 가까웠다.

An efficient transformation method for soybean [Glycine max (L.) Merr.] using meristematic tissues of germinating seeds has been established. The embryonic axes were excised from germinating seeds of Korean soybean cultivar, Iksannamulkong and 0.5-2 cm long segment containing meristematic tissues were prepared by cutting hypocotyl region. The explants were inoculated with Agrobacterium tumefaciens strain LBA4404 harboring a binary vector with the bar gene as a selectable marker gene and a β-glucuronidase (GUSINT) reporter gene, and then co-cultured for 7 days on co-cultivation medium (CCM). The meristematic tissues were cultured on shoot induction medium (SIMP6) supplemented with 0.4 mg/l N6-benzylaminopurine (BAP) and 0.1 mg/l indolebutyric acid (IBA) in the presence of 6 mg/l L-phosphinotricin (PPT) for 2 weeks and the surviving explants were transferred to shoot elongation medium (SEMP6). Transformation was confirmed by Southern blot analysis and the transformation efficiencies ranged from 1.48 to 2.07%. The new modified transformation method was successfully implemented for obtaining several transgenic lines with SMV-CP gene. It is expected that this method could efficiently be used for the transformation of recalcitrant soybean cultivars.

Agronomic characteristics of transgenic herbicide-resistant rice lines were evaluated under field condition. Differences in agronomic traits and rice quality were observed between transgenic plants and the corresponding untransformed controls. Transgenic Ilpumbyeo lines flowered earlier than untransformed controls, whereas transgenic Nagdongbyeo flowered at the same time as untransformed control. With regard to the yield and rice quality, most of the transgenic lines showed lower yield than control except some selected transgenic lines. Selected Nagdongbyeo transgenic line also showed good eating quality comparable to the control although most selected Ilpumbyeo transgenic lines showed slightly lower eating quality and increased white center/belly in the rice grain. In order to find the main factor leading to somaclonal variation among transgenic lines, Tos17, a rice retrotransposon activated by prolonged tissue culture period was investigated. Although the transgenic lines carried only one or two of transformed bar gene, the copy number of Tos17 increased in most transgenic lines compared with control. The activation of Tos17 was not detected in selected promising transgenic lines such as ND115-15-1-B and IP23-3-3, suggesting that the increased copy number of Tos17 may have negatively affected agronomic characteristics of transgenic rice.

Recently, it is demanded to study about landscape. Landscape is an environment factor for improving life, a social resource for establishing image and identity of the area and also a tourist resource for earning profit. With this importance, landscape planning is being performed by local governments. However, classification for a rule about landscape planning is not prepared yet. For this purpose, classification of landscape is definitely required. Therefore, this article focuses on presenting method of classification Natural and Rural Landscape. We used Arcview 3.2 to draw watershed of the site, and calculated the percent of landform. We also took a picture which explain the landscape and made a survey of classifying the landscape. Due to this study, we were able to frame an algorithm of the landscape classification. This will contribute to classify the landscape type. This study needs more specific researches because it was supposed to target the entire Gyeonggi-Do however it only covered several regions. Through this results, it would be expected to develop the map of landscape character.