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왕고들빼기"선향"MAP에 적합한 저장온도 및 OTR 필름 구명
노희선 ( H S Noh ),임예나 ( Y N Lim ),임상현 ( S H Lim ),김희연 ( H Y Kim ),김상수 ( S S Kim ),최인이 ( I L Choi ),강호민 ( H M Kang ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2015 강원 농업생명환경연구 Vol.27 No.3
These studies were conducted to identify the proper temperature and the effects of laser ablation OTR (oxygen transmission rate) film on storability of Lactuca indica L.‘Seonhyang’. Respiration rate in 2℃ and 8℃ was low (20CO2mg/kg/hr). We used 3,000 cc, 5,000 cc, 7,000 cc and 10,000 cc/m2·day·atm OTR films in this research. Fresh weight loss rate was less than 1.0% in all OTR films and storage temperatures. This was lower in the low temperature. The change of oxygen and carbon dioxide contents in packing show the normal trend. The more oxygen transmission rate rises, the more oxygen contents rises. On the contrary to this, the carbon dioxide contents became low. The more temperature rise, the less oxygen contents and the more carbon dioxide contents became. Visual quality had the long storage times for sail in the low storage temperature and the low oxygen transmission rate film. Following these results, it comes to conclusion the suitable type of OTR film such as 3,000 cc and 5,000 cc for MA storage of Lactuca indica L.‘Seonhyang’ in 2℃ low temperature and storage time was 40 days.
노희선 ( H S Noh ),최성진 ( S J Choi ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2015 강원 농업생명환경연구 Vol.27 No.3
Lactuca indica L. seeds were germinated after 2-3 days all storage length treatments and the more storage days rises and the more germination rate rises until 200 storage days. Specially, the germination rate was 76% high in 20℃ germination temperature that used by seeds were storage for 200 days in 20℃ storage temperature. For germination rate improvement, low temperature (4℃) moisture treatments were per 5 days terms from 5 days to 40 storage days. In 10 days treatment, the germination rate was 83.7%, it was 90.7% in 20 days treatment. The proper plugtray for seedling was 105 holes plugtray. The characters of seedling were good in 105 holes and 128 holes plugtray but were bad in 200 holes plugtray. In cultivation, the yield was best 691 kg/10 a and the growth was excellent (plant height 30.4 cm, leaf length 26.2 cm, leaf width 6.6 cm, leaf number 24.0 ea/plant, stem width 8.7 mm) in 47 days after planting 105 holes plugtray seedling. The proper seed number per plugtray cell was 3ea, the yield was best 1,281 kg/10 a and the growth was excellent (plant height 25.1 cm, leaf length 11.8 cm, leaf width 5.9 cm, leaf number 58.4 ea/plant, stem width 6.7 mm).
노희선 ( H. S. Noh ),김종환 ( J. H. Kim ),최성진 ( S. J. Choi ),김용복 ( Y. B. Kim ),김세원 ( S. W. Kim ),김인종 ( I. J. Kim ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2014 강원 농업생명환경연구 Vol.26 No.3
재식거리별 생육은 30×25 cm에서 식재구에서 1차 수확시 엽장 27.8 cm, 엽폭 8.6 cm, 경경 14.8 mm, 엽록소함량 47.4 SPAD, 주당 수량 236.1 g/주로 가장 좋았으며, 3차에 걸친 총 주당 수량도 410.7 g/주로 가장 좋았으나 10 a당 수량은 3,833 kg/10 a로 다소 낮았다. 반면에, 10×10 cm 재식구에서는 엽장 26.7 cm, 엽폭 6.6 cm, 경경 9.3 mm, 엽록소함량 34.7 SPAD, 주당 수량 66.6 g/주로 30×25 cm 재식구에 비해 1/4 밖에 되지 않았지만, 10 a당총 수량은 7,910 kg/10 a로 30×25 cm 재식구의 2배가 수확되었다. 10×10 cm 재식구에서 주당 생육은 30×25 cm 재식구에 비해 다소 저조 하였으나, 줄기를 같이 활용할 수 있는 장아찌나 김치 등 가공으로 이용하기에는 품질이 좋아 단위면적당 수량을 높일 수 있었다. 수확횟수별 수량은 1차 수확시 4,662 kg/10 a, 2차 수확시 2,520 kg/10 a, 3차 수확시 728 kg/10 a로 수확횟수가 늘어나면서 수량이 줄어들고 3차 수확시 개화기와 겹쳐 수량이 급격히 줄어들었다. 또한, 생육후기에는 밀식재배의 경우 흰 가루병 발생율이 높아지는 경향을 보였다. Lactuca indica L., annual and biennial plant in Compositae, grows wildly in Korea. It is used variously of vegetable for wrapped rice or meat, cooked greens, kimchi and pickle. In Korean medicine, it effects strengthening of stomach, sedation, urination, sweating and so on. It has a bright future as health food. Therefore, we researched the growth and yield according to the different planting distances of Lactuca indica L. ``Seonhyang``. Seeds were sown in 105 cells tray-pot on 4th March 2013 in greenhouse and raised for 45 days. Seedlings were planted 10×10-30×40 cm (9 degrees) distances on 2nd May in the field contained compost 2 ton and N:P:K=14:10:9 kg/10 a. We harvested stems with leaves in about 1 cm diameter, 25 cm length. The first harvest was 20th June, the second was 20th July and the third was 19th August. The growth and yield per plant were best in first harvest of 30×25 cm planting distance (leaf length 27.8 cm, leaf width 8.6 cm, stem width 14.8 mm, chlorophyll SPAD 47.4, yield 236.1 g/plant) and total yield was 3,833 kg/10 a. In 10×10 cm, leaf length 26.7 cm, leaf width 6.6 cm, stem width 9.3 mm, chlorophyll SPAD 34.7 and yield 66.6 g/plant were low. But the total yield was 7,910 kg/10 a and it was twice compared with 30×25 cm. It was good for making pickle and kimchi because stem slimmed in 10×10 cm. The yields decreased according to harvesting time (4,662 kg/10 a in 1st, 2,520 kg/10 a in 2nd and, 728 kg/10 a in 3rd).
강원도산 쑥부쟁이(Aster yomena Makino) 정유의 향취 및 성분분석
연보람 ( B. R. Yeon ),이사은 ( S. E. Lee ),노희선 ( H. S. Noh ),김성문 ( S. M. Kim ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2011 강원 농업생명환경연구 Vol.23 No.1
The essential oil was obtained from the aerial part of Aster yomene Makino by steam distillation, samples were collected by solidphase microextraction (SPME), and the compositions of the essential oil were analyzed by gas chromatographymass spectrometry. The fragrance of the essential oil was herbal, oily, woody, earthy, smoky and spicy. There were sixtyeight constituents in the essential oil: 48 hydrocarbons, 8 alcohols, 3 ketones, 2 oxides, 2 acetates, 1 aldehyde, 1 acid, and 1 anhydride. Major constituents were germacrene D (11.56%), camphor (5.23%), caryophyllene oxide (3.38%), caryophyllene (3.18%) and germarcrene B (3.09%). By SPME extraction, thirteen constituents were identified: 12 hydrocarbons and 1 ketone. Major constituents of the SPMEextracted sample were germarcrene D (45.75%), γgurjunene (9.39%), γselinene (8.33%), camphor (4.81%) and βcaryophyllene (3.05%). Overall results suggest that the essential oil from Aster yomene a Korean weed could be used for the development of new perfumery products.
향모(Hierochloe odorata (L.) P. Beauv.)의 휘발성 향기화합물
연보람 ( B. R. Yeon ),정미순 ( M. S. Jeong ),노희선 ( H. S. Noh ),김성문 ( S. Kim ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2011 강원 농업생명환경연구 Vol.23 No.2
The essential oil was obtained from the aerial part of Hyang-mo (Hierochloe odorata (L.) P. Beauv.) by continuous steam distillation, samples were collected by solid-phase microextraction, and the compositions of the essential oil were analyzed by gas chromatography-mass spectrometry. The aerial part of 20-day-old hyang-mo contained 0.01% of essential oil. The frangrance of the aerial part was floral, oily, dusty, flat and powdery; however, that of the essential oils was floral, oily and dusty. In the essential oil, 44 constituents were found: 33 hydrocarbons, 2 oxides, 1 ketone, 1 ether and 1 CN compound. Major chemical constituents in the essential oil were α-cubebene (34.44%), γ-selinene (7.89$), en-in-dicycloether (7.75%), β-caryophyllene (6.07%), calarene (4.20%), aromandendrene (3.47%), γ-muurolene (2.93%), δ-cadinene (2.73%) and β-elemene (2.16%).