• 대한의생명과학회지
• /
• 제11권1호
• /
• pp.63-69
• /
• 2005

We investigated the changes of fibrinolytic and antioxidative activities of wild or cultivated Codonopsis lanceolata, which were packed in woven polypropylene (WP) film or low density polyethylene (LDPE) film and stored for 0, 15, and 30 days at refrigerated $(2\~4^{\circ}C)$ or room $(l8\~20^{\circ}C)$ temperature (So we have 16 samples, and wrote them as the abbreviated words such as W-WP-RE-15, W-WP-RO-15, W-LDPE-RE-15, W-LDPE-RO-15, W-WP-RE-30, W-WP-RO-30, W-LDPE-RE-30, W-LDPE-RO-30, C-WP-RE-15, C-WP-RO-15, C-LDPE-RE-15, C-LDPE-RO-15, C-WP-RE-30, C-WP-RO-30, C-LDPE-RE-30, C-LDPE-RO-30). Fibrinolytic activity of fresh Codonopsis lanceolata cultivated in the mountain or field were 0.8 unit (plasmin unit/ml) or 7.3 units, respectively. In descending order, the activities of wild Codonopsis lanceolata stored for 15 days were as followed; LDPE-RE (0.70 unit), WP-RO (0.52 unit), WP-RE (0.45 unit), and LDPE-RO (0.30 unit). After 30 days, fibrinolytic activities of them decreased to 0.47 unit (LDPE-RE), 0.28 unit (WP-RO), 0.21 unit (WP-RE), and 0.30 unit (LDPE-RO). Considering from the point of fibrinolytic activity, the optimal storage condition of wild Codonopsis lanceolata was packing with LDPE film and storing at $4^{\circ}C$. The change of fibrinolytic activities of Codonopsis lanceolata cultivated in the field revealed the similar trend as wild samples, but the fibrinolytic activities of 30 days-stored samples were maintained better than the wild Codonopsis lanceolata. Fibinolytic activity of wild Codonopsis lancealata was increased by heating for 5 min at $100^{\circ}C$ and decreased by addition of NaCl. Antioxidative activities of Codonopsis lanceolata were also compared from the electron donating activity. Fresh Codonopsis lanceolata had about $70\%$ of electron donating activity. Independent of cultivation area, electron donating activity dropped to $19\~74\%$ (wild Codonopsis lanceolata) and $27\~59\%$ (cultivated Codonopsis lanceolata) during 15 days storage. But after 30 days storage, we obtained the unexpected results, which meant that the activities were higher activities than 15 days-stored samples or even though the fresh samples. In general, Codonopsis lanceolata could maintain antioxidative activities most strongly with LDPE film and chilled condition.

• 한국토양비료학회지
• /
• 제12권1호
• /
• pp.25-34
• /
• 1979

'77/'78맥작기간 영남지방(嶺南地方)에서 발생(發生)한 맥류불임현상의 원인(原因)을 구명(究明)하기 위하여 이것과 관련(關聯)되는 몇가지 환경요인(環境要因)을 조사(調査)해 본 결과(結果). 1. 기상상태(氣象狀態)는 특(特)히 보리의 주요생육시기(主要生育時期)에 해당(該當)되는 감수분열기(減數分裂期) 및 출수기경(出穗期頃)에 심(甚)한 조발(早魃)과 저온(低溫)이 내습(來襲)하였다. 2. 토양수분함량(土壤水分含量)은 전작(田作)보다 답리작(畓裏作)에서, 표토(表土)보다 심토(深土)에서 많았으며, 사토(砂土)보다는 식토(埴土)가 많았고, 남향(南向)보다 북향(北向)으로 된 경사지(傾斜地)에서 많은 경향(傾向)이었다. 3. 입지조건(立地條件)에 따른 보리이삭의 불임율(不稔率)은 답리(畓裏)이 전작(田作)보다 낮았고, 비상지(扉狀地) 및 평탄지(平坦地)는 구릉지(丘陵地), 산록경사지(山麓傾斜地)보다 낮았고, 남향(南向)보다 북향(北向)으로 된 경사지(傾斜地)가 낮은 편(便)이었다. 4. 경지(耕地)의 토성별(土性別) 불임율(不稔率)은 사토(砂土)에서 높았고, 식토(埴土)에서 낮았으며 작토호(作土戶) 및 유효토심이 얕을수록 높은 경향(傾向)이었다. 5. 답리작(畓裏作), 전작(田作) 다같이 표토(表土) 및 심토(深土)의 토양수분함량(土壤水分含量)과 보리이삭의 불임율(不稔率)과는 부(負)의 상관관계(相關關係)가 인정(認定)되었다. 6. 따라서 맥수 생식생장기간(生殖生長期間)의 주요시기(主要時期)에 수분부족(水分不足)은 수(穗)의 불임발생(不稔發生)의 주요원인(主要原因)으로 인정(認定)되었고, 이와함께 극심(極甚)한 저온(低溫)은 불임발생(不稔發生)을 더욱 조장(助長)하는 것으로 생각된다.

• 한국약용작물학회지
• /
• 제13권5호
• /
• pp.298-302
• /
• 2005

In order to decide the optimum planting time for Bupleurum falcatum L. which is grown widely in Korea, some experiments were carried out in different regions such as mid-north area (Gangwon-do, Gyeonggi-do and Chungcheongnamdo), mid-south area (Jeollanam-do, Jeollabuk-do, Gyeongsangnam-do and Gyeongsangbuk-do). The mid-south area had the highest total saikosaponin contents of 1.001, which is the medicinal ingredients of Bupleurum falcatum L., in accordance with the different Bupleurum falcatum L. regions. Also this area has the highest extract contents of 24.3%. Average dry root yields in mid-north area (Gangwon-do) were $450{\sim}460$ kg/ha at planting time of March 20th to March 30th, 500 kg/ha at the time of March 30th to April 10th, and $470{\sim}480$ kg/ha at the time of March 10th to March 20th in Chungcheongnam-do. The optimum planting time in the mid-south area (Jeollabuk-do) was March 10th to March 30th with the average dry root yield of $490{\sim}550$ kg/ha. Average dry root yield in Euiseong, Gyeongsangbuk-do area was 470 kg/ha, and the optimum planting time was April 10th, which suggested that the yield increased as the planting time was delayed. At Jeju-do, the volcanic soil of farsouthern area, average dry root yield was 510 kg/ha at the time of March 10th, but the yield from non-volcanic soil was lower than from volcanic soil, which had a dry root yield of 470 kg/ha.

• 한국작물학회:학술대회논문집
• /
• 한국작물학회 2022년도 추계학술대회
• /
• pp.164-164
• /
• 2022

The soybean (Glycine max(L.) Merrill), an important food crop in the world, is popular because of its high quality protein and oil content. Soybeans as a food have long been known for their beneficial effects on health and are well-recognized globally. Isoflavones, significant soybean secondary metabolic products, may be crucial in avoiding some cancers and lowering the risk of cardiovascular disorders. This study investigates the correlation between plant growth regulator and the effect on the isoflavone levels in soybean leaves. The study was carried out in the green-house of the southern crop department in miryang. Soybeans(Seonpung) were cultivated in 1/2000 of the Wagner pot. Ethephon(500, 1000, 2000 ppm) and ABA(100, 200, 400 ppm) were used as plant growth regulators, and they were each treated on R2, R5, and R7 stage. After treatment, leaves were sampled three times at intervals of 5 days, and the content of 6 isoflavones and coumestrol was analyzed. Soybean isoflavones were analyzed using Ultra Performance Liquid Chromatography (Acquity UPLC H-Class system, Waters). The isoflavones content showed an overall highly in the R5 stage, and the level was similar to that of no treatment in the R2 and R7 stage. The difference between the growth regulators was found to be higher than that of ethephon when ABA was treated. The coumestrol content was confirmed to be high in the order of R7, R5, and R2 on the treatment time, and it was found that the content increased as the treatment time was delayed. In the treatment with the growth regulator, the coumestrol content tended to be higher when ethephon was treated than ABA.

• 한국작물학회지
• /
• 제61권4호
• /
• pp.290-296
• /
• 2016

본 시험은 풋거름작물인 헤어리베치, 풋거름보리, 그리고 헤어리베치와 보리를 혼파 재배한 다음 토양에 환원하고 수수를 이식하여 재배하였다. 풋거름작물이 수수 재배 토양에 미치는 영향을 조사하였고, 수수의 생육 및 수량을 조사하였다. 풋거름작물을 통한 질소공급량은 헤어리베치+보리 혼파구에서 ha당 145 kg이었으며, 헤어리베치 단파구는 81 kg, 풋거름보리 단파구는 74 kg이었다. 풋거름작물을 이용하여 수수를 재배할 경우 토양 산도(pH)가 높아지고 치환성 양이온 함량과 총질소 함량도 증가하여 토양의 화학성이 개선되었다. 또한 풋거름작물을 이용하여 수수를 재배할 경우 토양내 총탄소 함량이 증가하여 향후 농업부분 온실가스 감축에도 기여할 것으로 기대되었다. 수수 생육단계별 엽색도는 헤어리베치+보리 혼파구에서 가장 높았고 헤어리베치 단파구에서 가장 낮았다. 수수의 종실 수량구성요소인 주당립중은 헤어리베치+보리 혼파구에서 가장 무거웠고 천립중은 통계적인 유의성을 보이지 않았다. 수량은 10a당 헤어리베치+보리 혼파구에서 평균 427 kg, 헤어리베치와 풋거름보리 단파구에서 379 kg이 생산되어 화학비료를 시용한 관행구 369 kg 보다는 높았다. 따라서 화학비료를 시용하지 않고 헤어리베치+보리 혼파재배로 친환경으로 수수를 재배하는 것이 가장 유리할 것으로 판단되었다.

• 한국식품영양학회지
• /
• 제29권1호
• /
• pp.134-143
• /
• 2016

재배방법에 따라 팥의 항산화 성분과 항산화 활성의 차이를 조사하고, 생산된 팥에 대해 앙금을 제조하여 품질특성을 분석하고자 하였다. 총 polyphenol 및 flavonoid 함량은 재배방법에 따라 유의적인 차이를 보이는 것으로 나타났으며(p<0.05), DPPH 및 ABTS radical 소거활성 또한 재배방법에 따라 유의적인 차이를 보이는 것으로 나타났고, 다른 품종에 비해 홍언이 높았다. 충주팥, 홍언 및 아라리의 습물중 앙금 수율은 각각 296.64~339.01, 271.36~282.24 및 268.21~292.32%, 건물중앙금 수율은 각각 71.68~85.41, 77.90~85.19 및 74.15~78.65%로 재배방법에 따라 유의적인 차이를 보이는 것으로 나타냈다(p<0.05). 습물 및 건물 앙금의 명도는 충주팥과 아라리는 약간의 유의적인 차이를 보였으나(p<0.05), 홍언은 유의적인 차이를 보이지 않았고, 적색도와 황색도는 재배방법에 따라 유의적인 차이를 보이는 것으로 나타났다(p<0.05). 평균입자 직경은 충주팥, 홍언 및 아라리가 각각 66.21~98.80, 61.62~97.07 및 $82.96{\sim}106.71{\mu}m$로 재배방법별로 유의적인 차이를 보이는 것으로 나타났다(p<0.05). 앙금의 미세구조는 타원형 모양의 입자로 세포막과 단백질이 둘러싸서 표면이 거친 것을 볼 수 있다. 수분결합력, 용해도 및 팽윤력 또한 재배방법에 따라 유의적인 차이를 보였다(p<0.05).

• 한국유기농업학회지
• /
• 제13권1호
• /
• pp.101-112
• /
• 2005

In order to select the suitable soybean cultivars for paddly field cultivation, growth response and yields characters were investigated with 37 Korean domestic soybean cultivars, in Yeoncheon, Gyeonggi province. The results can be summarized as follows ; When the soybeans were cultivated in paddy field, significant differences were observed in growth responses at each growth stage and yields among the cultivars. Yields of six cultivars, such as Danbaekkong, Paldokong, Pungsannanulkong, Myeongjunamulkong, Saeolkong, and Namhaekong, were less than 200kg/10a, however, seven cultivars, such as Shinpaldalkong 2, Sohokong, Dormikong, keumkangkong, Bukangkong, Dajangkong, and Geomjeongkong 2, showed highest yields ranged from 301~385kg/10a. At V5 stage, highly positive correlation(r=091$^{{\ast}{\ast}}$) was observed between the top dry weight and leaf area while negative correlation was existed between T/R ratio and root dry weight. However, at R2 age, leaf area was correlated with both top and root dry weight while T/R ratio was correlated with leaf area and top dry weight. Thirty-seven soybean cultivars used in this experiments were classified into 3 different clusters based on 19 important agronomic characters, and genotypic properties of the cultivars were similar in each cluster. In results, high yields could be achieved by selected cultivation of suitable soybean cultivars such as Shinpaldalkong 2 which showed early maturation date and highly ripening ratio.

• 한국농공학회논문집
• /
• 제52권3호
• /
• pp.47-55
• /
• 2010

Investigations on the inundation damage and improvement measures were carried out centering around the protected horticultural complex concentrated in lowlands on the side of Geum river, in Nonsan and Buyeo, Chungnam. Most greenhouses were single-span plastic houses in this area, and tomato, strawberry and watermelon were cultivated mainly. 45.8 % of whole farmhouse were experienced in damage by inundation, and a frequency of the damage was average once in 11 years. The most urgent problem at the greenhouse culture in this area was showed in order of drainage improvement, irrigation water resources and energy saving. Consideration items in drainage improvement project for protected horticulture were showed in order of extending drain pumps, extending drain canals, using concrete flume in drain ditch. It needs to consider systematic plans that can restrain new establishment of greenhouses on the lowland paddy field in drainage area. It is difficult to remove greenhouses which are already established or prohibit cultivation. Therefore we should impose minimum duty items so that greenhouse tillers can cope with inundation. And it is thought that managing agency need to minimize farmers damage by improving drainage ability and introducing maintenance pattern that is different from rice cropping.

• 한국지하수토양환경학회:학술대회논문집
• /
• 한국지하수토양환경학회 2005년도 총회 및 춘계학술발표회
• /
• pp.344-347
• /
• 2005

The purpose of the study for the development of the technologies of water quality monitoring and contamination protection at water resource aquifer is to secure the groundwater as potable water resources. The results of water analysis as a basis of potable water criteria showed that 30 groundwater samples among 138 samples of small water supply system (21.7%) were exceeded the water criteria. The concentrations of Cl, $NO_3$ and Na for granite area are higher than those of gneiss and metasedimentary rocks of Ogcheon belt area and they are caused by the high vulnerability of groundwater at granite region where the residential area and cultivated land are concentrated. The spatial distribution of components indicated the close relationships between water quality and geology, land use, and topography. The multivariate statistical results showed that the water samples are divided into three groups by geology.

• 농업과학연구
• /
• 제25권2호
• /
• pp.321-328
• /
• 1998

This study was performed to provide reference materials for the vegetable cultivating farmhouses by investigating profit and marketing situation for the folk vegetables. The survey areas covered 10 cities and counties including Kumsan, 72 farmhouses, and 8 crops including buffterbur and wild rocambole. As a result, the cultivated area of folk vegetables was increased as much as 13.7%, however, marketing cost was higher than that of horticultural crops, because they were not accessed to wholesale market. It was that the optimal period to sell the folk vegetables was shown like Jan. - Feb. for butterbur and day lily, Nov. - Dec. for wild rocambole, and Oct. - Nov. for kind of lettuce respectively. As the result of analyzing economical efficiency, the net profit per 0.1 ha was amounted to 3,438,000 won for butterbur, 3.291,000 won for wild rocambole 1,712,000 won for day lily, and 1,464,000 won for fatsia shoots. Besides, these four crops occupied more than 60% in cultivation area, and their profit was high. Therefore, it is necessary to foster them with special crops in Chnugnam area. The crops that require more labor time were such crops as 632.9 hours for day lily, 584.3 hours for butterbur, and 409.2 hours for fatsia shoots, whereas the crops that required less labor time were such field crops as 219.2 hours for fragrant edible wild aster and 233.8 hours for kind of lettuce.