본 연구는 국내 가드닝 관련 교육프로그램 현황 분석을 위해 ‘가든’, ‘가드닝’, ‘가드너’, ‘정원’, ‘정원사’ 등의 관련 키워드가 프로그램 명, 활동, 유인물 등에 사용된 프로그램과 수목 원·식물원 전문 인력 양성 프로그램을 모두 조사하였다. 국내에서 2017년과 2018년에 운영된 프로그램을 대상으로 하였다. 조사 결과, 54개의 주관기관에서 83개의 가드닝 관련 프로그램이 운영된 것으로 나타났다. 주관기관 중에 지자체가 가장 많은 것으로 나타났고(39기관, 72.2%), 이외에는 사립 수목원·식물원(6개, 11.1%), 공립 수목원·식물원(5개, 9.3%), 국립 수목원·식물원(2개, 3.7%), 사기업(1개, 1.9%), 대학교 (1개, 1.9%) 순으로 나타났다. 83개의 가드닝 관련 프로그램 은 63개의 운영기관에서 수행되었다. 운영기관 중 12개의 기관은 대학교로, 대학교에서 지자체의 프로그램을 위탁받아 운영했음을 알 수 있다. 가드닝 관련 프로그램은 경기도(50개, 61.4%)에 가장 많이 분포되어 있었다. 가드닝 관련 프로그램 중 성인이 참가 가능한 프로그램(64개, 63.4%)이 가장 많았으며, 전체 프로그램 중 65개(78.3%)는 전문교육을 위한 프로그램인 것으로 조사되었다. 국민들의 자연, 숲, 정원에 대한 관심 증대와 지속적인 국가적 정원 분야의 확대가 예상됨에 따라 더 많은 가드닝 관련 프로그램 제공을 통해 다양한 경험의 기회를 주는 것이 필요할 것으로 보인다.

Mesenchymal stem cells (MSCs) are capable of differentiating into mesenchymal tissue such as bone, cartilage, muscle, and adipose, and have been isolated and characterized from various species. Deer adipose tissue-derived MSCs (dAD-MSCs) have not been studied and deer bone marrow-derived MSCs (dBM-MSCs) have not been fully characterized. In this study, we firstly isolated MSCs from deer tissues and then compared characteristics of dAD-MSCs and dBM-MSCs. dAD-MSCs and dBM-MSCs exhibited significant increase in proliferation under low-glucose DMEM culture condition during 20 and 10 passages consecutive passages, respectively. Both cells expressed cell surface markers such as CD73, CD90, and CD105, but did not express CD34 and CD45. Two types of cells expressed stemness markers (Oct4, Sox2, and Nanog) and exhibited differentiation potential into mesodermal lineages. Both cells exhibited osteogenic and chondrogenic differentiation potential, but poor adipogenic differentiation potential. Specifically, dAD-MSCs have a greater capacity for chondrogenic differentiation potential compared to dBM-MSCs. Collectively, we successfully isolated dAD-MSCs from deer for the first time. This study suggests that adipose tissue of deer could be used as a source of deer MSCs.

The black pine bast scale are the main insects of the Japanese black pine forest in Korea, and the distribution is spreading around the Japanese black pine forest in the east and west coast. However, after the nationwide survey in 2010, there has been no investigation on the distribution and spread of these, so we conducted the 2017 and 2018 surveys to determine the extent of the northern area inland or east and west. In the 2017 survey, outbreaks were observed in 35 areas from 47 dong or myeon of 14 cities or counties, mainly in areas not previously located in the outbreak area. In the 2018 survey, additional outbreaks were confirmed at 14 out of 23 areas in the East Coast region, and damage was detected at 27 out of 28 points in the inland area of the South Sea and distribution was found at 16 out of 17 in the west coast.

From 2017 to 2018, the occurrence of leafhopper species in eight landscape trees (Acer palmatum, Elaeagnus umbellata, Lagerstroemia indica, Pinus densiflora, Prunus serrulata, Pseudocydonia sinensis, Rosa hybrid, Zelkova serrata) in Sangju, Gyeongbuk Province was investigated using flat traps from the leaf open season to the fallen season. E. rosae was the most abundant, and the highest density was observed in cherry trees. E. rosae outbreaks occurred at the end of March, early August, and early October, and are estimated to occur three generations a year. High attraction was observed in yellow plate traps than in blue. From the middle of October, the number of E. rosae increases only in Pinus densiflora among 8 species of trees, and it is estimated that pine trees are wintering places.

Coke aggregates and carbon artifacts were produced to investigate the interactions of coke and pitch during the kneading process. In addition, the kneading ratio of the coke and binder pitch for the coke aggregates was controlled to identify the formation of voids and pores during carbonization at 900°C. Experiments and thermogravimetric analysis revealed that carbon yields were improved over the theoretical yield calculated by the weight loss of the coke and binder pitch; the improvement was due to the binding interactions between the coke particles and binder pitch by the kneading process. The true, apparent, and bulk densities fluctuated according to the kneading ratio. This study confirmed that an excessive or insufficient kneading ratio decreases the density with degradation of the packing characteristics. The porosity analysis indicated that formation of voids and pores by the binder pitch increased the porosity after carbonization. Image analysis confirmed that the kneading ratio affected the formation of the coke domains and the voids and pores, which revealed the relations among the carbon yields, density, and porosity.

Ramie (Boehmeria nivea M.) has been used for fiber materials in Korea traditionally, but in recent years, the concern with ramie leaves for the food industry such as tteok (a kind of Korean rice cake) industry has been increasing, so a study for eatable ramie is required for the expansion of ramie consumption. Moreover, the ramie varieties for the food industry are not established, so the natural species are cultivated in general; therefore, it is very important to select the ramie varieties for the food industry such as rice cakes, tea, beverage and so on. This study was undertaken to compare the physiochemical properties among 9 ramie lines selected in the Yeonggwang-gun Agricultural Technology Center to select the eatable ramie varieties for the food industry. The contents of the protein among 9 ramie lines was 6.21~7.56% and had the highest content in the YG55. The folic acid (folate) and vitamin C content had varying differences among the 9 lines; the content of folate showed 771.52~1,978.84 μg%, that of vitamin C showed 149.42~275.34 mg%. The ACE inhibitory activity appeared to be the highest in YG88 (21.5%) among the 9 ramie varieties tested.

This study was performed to determine the optimal time of harvest for ramie leaves with the two varieties (Seocheon Seobang and Seoncheon Baekpi) by comparison of physiological activity and physicochemical characteristics. The crude protein, minerals, ascorbic acid, folate, chlorophyll, ACE inhibitory activity and AChE inhibitory activity were determined. The amount of crude protein in ramie leaf, which was collected in Seocheon-gun, Chungcheongnam-do, grew up steadily from early May to September. The content of calcium in was higher in Baekpi than in Seobang. Seobang displayed its highest value of 3,569.90 mg% in September, while Baekpi displayed its highest value of 3,163.84 mg% in October. Although, folate and vitamin C contents in the two varieties were slightly different, they were higher as the growth date grew in October. The highest value of chlorophyll content was observed in October, which was later in the vegetative state. ACE inhibitory activity and AChE inhibitory activity appeared to be higher in Baekpi than in Seobang. Between June and August, ACE inhibitory activity was highest in Baekpi variety.

Aphis gossypii is considered as one of the most polyphagous aphid species and found throughout the world. This pestinduce plant deformation and transmit viruses by feeding the host plant. In Korea, A. gossypii has been occurred in manycrops, however, the population genetic structure of this pest has not been revealed. In this study, we used eight microsatellitemarkers to analysis the population genetic structure of A. gossypii in Korea. We collected A. gossypii specimens frompepper greenhouse in 2016 (18 sites) and 2017(15 sites). As a result, two genetic cluster (△K=2) showed in structureanalysis. As we compared the cluster result between 2016 and 2017, several populations appeared opposite clustering groupeven the samples were collected in same site and crop. Therefore, more samples are required from different greenhouse(same host) to identify the accurate genetic cluster of province in Korea. From this study, the genetic variation revealedfrom A. gossypii and this information may develop sustainable management of A. gossypii.