• 한국작물학회지
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• 제66권4호
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• pp.375-382
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• 2021

For stable cultivation in double cropping, it is important to use potato (Solanum tuberosum L.) cultivars with a short dormancy period of 50-70 days and plant seed tubers of appropriate type and size. An experiment was conducted during 2018-2019 to investigate the effects of seed tuber type and size on growth and yield performance in double cropping. Whole tubers of three sizes (10-20 g, 30-40 g, and 50-60 g) and conventional cut tubers weighing 30-40 g from three cultivars with different dormancy periods, namely 'Daeji' (40-60 days), 'Eunsun' (50-60 days), and 'Saebong' (50-80 days), were planted, and their field performance was compared. Regardless of the cultivar, the increase in the whole tuber weight up to 30-40 g led to fast emergence, thereby increasing ground cover rate, shoot growth rate, and tuber growth rate, which ultimately improved tuber yield by 33-54%. Comparing the whole and cut tubers, 'Daeji' and 'Eunsun' showed similar growth and yield performance; as such, the performance of whole tubers weighing 10-20 g was comparable to that of cut tubers weighing 30-40 g. However, 'Saebong', a cultivar with relatively long dormancy period, performed better with cut tuber than with whole tubers. Based on these results, we recommend the use of whole tubers weighing over 30 g for double cropping. Further studies to break tuber dormancy are warranted in cultivars with relatively long dormancy periods (50-80 days), such as 'Saebong'.

• 한국작물학회지
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• 제23권2호
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• pp.126-132
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• 1978

To examine the effects of P.E. film and rice straw mulching on fall grown potato(Shimabara cultivar) in the middle region of Korea, sprouted seed tuber pieces were transplanted with six kinds of mulching treatments on 24th July and harvested on 25th October. P.E. film mulching from transplanting resulted the perfect rot of transplanted seed pieces due to the excessive high soil temperature (noon soil temperature of about 4$0^{\circ}C$ continued until the middle of August). P.E. film mulching from 15th September to harvest increased the marketable tuber yields by 35% due to the raising of soil temperature by 1-3$^{\circ}C$ and maintaining of available soil moisture in dry season. Rice straw (whole or cut in 10cm length) mulching lowered the soil temperature in hot season and raised it in cool season and maintained available soil moisture in dry season. Therefore better emergence, growth and yields were induced. Effects of whole straw, whole growing season and thicker mulching were greater than cut straw, half growing season and thinner mulching. 6cm mulching of whole or cut straw during whole growing season resulted the increasing of marketable tuber yields by 56 or 48%.

• 대한본초학회지
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• 제35권1호
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• pp.19-25
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• 2020

Objects : The daily dose of Pinelliae Tuber in ≪Treatise on Cold Damage Diseases≫ is half seung in volume, two and half ryang in weight, and fifteen in total number. But the daily dose should be a whole number. So I found out the background of this setting and correct solution. Methods : I searched Classics of Traditional Medicine, found out the background of the daily dose setting, solution. Results : The daily dose of Pinelliae tuber in ≪Hangdi's Internal Classic Miraculous Pivot≫, ≪Bohenggyuljangbuyongyakbeobyo≫ is half seung. ≪Treatise on Cold Dameage Diseases≫ followed the same daily dose of that because it referred to these books. In ≪Synopsis of Prescription of the Golden Chamber≫, the daily dose of that is half seung, one or two seung. The half seung of the Pinelliae Tuber is thirty three mL, but the diameter is 1~1.5 cm that accurate measurement by volume is difficult. The daily dose by weight is correct considering the unity of marking of the daily dose, accuracy of measurement, the fact that Pinelliae Tuber is currently distributed by cutting. So, two ryang is correct which is thirteen gram. Conclusions : Considering the traditionality, the convenience of measurement, the daily dose of Pinelliae Tuber in the ≪Treatise on Cold Damage Diseases≫ is half seung, but considering the unity, accuracy, current state of distribution, it is correct that the daily dose of it is two ryang. It corresponds to thirteen gram.

• 대한한의학방제학회지
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• 제20권1호
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• pp.89-99
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• 2012

Objectives : This report describes 36 formulas including Asparagi Radix and Liriopis Tuber in Dongeuibogam. Asparagi Radix and Liriopis Tuber have been used separately or concurrently in Oriental Medicine for a long time as a treatment for various diseases. Methods : 36 formulas including Asparagi Radix and Liriopis Tuber as a main component which have been used separately or concurrently in Oriental Medicine for a long time as a treatment for various disease in Dongeuibogam were studied through order of frequency, symptoms, dosages, etc. Results : 1. 6 formulas are recorded in fatigue chapter, 5 formulas in blood chapter 7 formulas in body shape chapter and fire chapter each which are arranged in order of frequency. 2. Enhancing strength and life span herbs are most used in formulas including Asparagi Radix and Liriopis Tuber. General fatigue treating herbs, severe bleeding cold, fire moving by yin-deficiency and kidney malfunction treating herbs are following frequency among 25 symptoms in formulas including Asparagi Radix and Liriopis Tuber. 3. The dosages of Asparagi Radix which is used same amount Liriopis Tuber are ranged from 2.5 puns~2 jeons. 1 jeon is recorded 13(36.1%), 5 puns is 6(16.7%), 7 puns and 2 jeons are recorded 4(11.1%), the rests are 3(8.3%) used among 36 formulas including Asparagi Radix and Liriopis Tuber. 4. The frequencies of Asparagi Radix and Liriopis Tuber have 9(25.0%) in decoctions groups, 27(75.0%) in the other groups except decoctions. So the ratio of decoctions groups to the other groups in being used is about 1:3. Decoction groups are used in enhancing Yin and descending fire, on the other hands the other groups except decoctions are used in well-being in whole life. Conclusions : The 36 formulas including Asparagi Radix and Liriopis Tuber in Dongeuibogam are mainly composed of Eedong-go, Insamgobon-hwan, Gamri-hwan, Samjae-hwan, Saengjihwang-go, Naebo-hwan, etc.

• 한국작물학회지
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• 제47권6호
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• pp.432-436
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• 2002

양액재배산 소괴경의 절단 재배 가능성을 검토하고자 2001년 분무경 양액재배산 괴경을 3, 5, 7, 9, 11, 13g의 절편이 되도록 1(전서), 2, 3, 4개로 절단하여 플러그묘판에서 출아시켜 이식재배한 결과를 요약하면 다음과 같다. 1. 파종 후 35일에 출현율은 절편크기가 7-13g에서 83.0-85.4%, 3, 4절단서 재식구에서 84.0-86.6%로 높았다. 2. 10a당 총서 및 종서규격서 수량은 절편크기가 3g에서 9g으로 증가됨에 따라 10a당 총서수량은 각각 2,052kg과 1,589kg에서 2,924kg과 2,428kg으로 크게 증가되었으나 그 이상 절편의 무게가 증가되었을 때에는 괴경수량의 증가는 크지 않았다. 3. 10a당 총서수량은 전서 재식구에서 1,918kg이었던 것이 3절 절단서 재식구에서 2,982kg로 증가되었고 종서규격서 수량도 전서 재식구에서 1,422kg/10a이었던 것이 3절 절단서 재식구에서 2,579kg으로 증가되었으나 3, 4절 절단서 재식구 간에는 유의한 차이가 없었다. 4. 평균서중은 절편크기가 3g에서 13g으로 증가함에 따라 46.3g에서 71.5g으로 증가되었으며, 전서 및 2절 절단서 재식구의 56.5g과 58.0g보다 3, 4절에서 재식구에서 63.6g과 64.9g으로 무거웠다.

• 대한본초학회지
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• 제38권5호
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• pp.39-47
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• 2023

Objectives : The objective of present study was to investigate the vasorelaxant effects of 20 Korean native plants on isolated rat thoracic aorta precontracted with phenylephrine (PE). Methods : Dried 20 plant materials were extracted 3 times with water, ethanol, or methanol for 3h in the reflux apparatus at 70 ± 5℃. Male SD rats were anesthetized by ether inhalation, and their aorta rings were isolated and placed in 10 ㎖ Krebs Henseleit (KH) buffer. While using an isolated organ-chamber technique, the aorta rings were maintained by bubbling with a gas mixture of 95% O₂-5% CO₂ at 37℃. Changes in isometric tension of aorta rings were recorded via isometric transducers connected to a Powerlab Data Acquisition System. Results : Among the 20 native plants, Chrysanthemum indicum L. flower, Nelumbo nucifera Gaertn. rhizome, Schisandra chinensis (Turcz.) Baill. fruit, Anthriscus sylvestris (L.) Hoffm. root, Corydalis turtschaninovii Besser tuber, Corydalis decumbens (Thunb.) Pers. tuber, and Dolichos lablab L. seed showed significant vasorelaxant effect on the contraction of aorta rings induced by PE. In contrast, Mertensia maritima subsp. asiatica Takeda whole plant, Ajuga decumbens Thunb. whole plant, Trigonotis peduncularis (Trevis.) Benth. ex Baker & S.Moore whole plant, Dioscorea quinquelobate Thunb. rhizome, Allium microdictyon Prokh aerial part, Momordica charantia L. fruit, Carthamus tinctorius L. flower, and Clematis terniflora DC. root constricted more the aorta rings precontracted by PE Conclusion : These results suggest that the possibility as useful herbal resources for the development of functional foods or medicines for hypertension treatment.

• 원예과학기술지
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• 제32권2호
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• pp.171-177
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• 2014

감자('수미') 괴경을 종단으로 절단하고, 상 중 하 및 주변부와 중심조직으로 구분하여 합계 11개 부위를 혈당측정기로 포도당 수치를 구하였다. '수미' 감자는 개체간(변이계수 = 37.4%) 및 부위별(변이계수 = 34.1%)로 포도당 수치가 달랐으나, 주변부의 포도당 농도가 중심부보다 높게 측정되었다. 괴경 전체와 각 부위 사이의 포도당 농도 상관관계는 중앙부위에서 높게 측정되어(r = 0.921), 중앙 부위의 당 수치가 괴경 전체를 대표할 수 있었다. 수확 후 $2.0{\pm}1.0^{\circ}C$에서 4개월간 저장한 감자의 포도당 함량은 상온에서 저장한 감자의 당 함량보다 5.5배나 높았다. 저온에 저장한 감자의 칩 색깔은 진한 갈색이었고, 상온 저장 감자의 칩은 밝은 미색이었다. 이러한 결과는 혈당측정기로 감자 중심부 조직의 포도당 함량을 측정하여 수확 당시 및 저장 중인 감자의 가공적합성을 신속하게 판정하는 기술로서 그 활용가치가 크다고 판단되었다.

• Journal of Plant Biology
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• 제30권4호
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• pp.287-298
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• 1987

The regenerative capacities of protoplasts isolated from potato (Solamum tuberosum L.) tubers and tobacco (Nicotiana tabacum L.) mesophyll tissues were examined, and then their intergeneric protoplast fusion was carried out. The potato tuber-derived protoplasts proliferated into the calli some of which showed rudimentary shoot-like structures, which had not been attempted before from tubers, while the tobacco protoplasts were regenerated into the whole plants. Intergeneric protoplast fusion between potato and tobacco was carried out and the heteroplasmic fusion products were formed. The first cell division of some of them was observed after 5 days of culture.

• Toxicological Research
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• 제5권2호
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• pp.71-77
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• 1989

A mouse whole animal bioassay was employed to screen for potential mutagenicity of ethanol/water extracts of 16 Chinese herbal drugs that are commonly prescribed in Korea. Specific cytogenetic toxicity was measrured by recording evidence of clastogenesis toxicity was measured by recording evidence of clastogenesis via the mouse bone marrow micronucleus test. Male ICR mice administered ethanol extract of Pinelliae tuber (Pinellia eternata Breitenbach, ARACEAE, 양복) and ddY female mice administered extract of Angelica Koreanae radix(Angelica Koreana Maximowicz, UMBELLIFERAE, ) (both by oral administration, at a dose of 600 mg/kg), in a short-term dosing schedule, demonstrated significant increase in micronucleated polychromatophilic erythrocytes, indicating the increase of clastogenicity.

• 한국작물학회지
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• 제21권1호
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• pp.97-124
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• 1976

우리나라 감자 춘하작물재배의 주장려품종이고 휴면기간이 긴 남작(Irish Cobbler)을 추작할때 효과적인 최아처리법을 구명하기 위하여, 대관령산종서를 고려대학교 농과대학 실험농장에시 춘작 증식하여 추작용종서로 사용하고, 1974 및 '75의 양년도에 걸쳐서 농대구내수음하 설치한 최아상(그림 1)에서 구당 60편의 3반복 난괴법으론 최아시험을 실시하고, 실험농장 포장에서 구당 1.8$m^2$(15주)의 3반복 난괴법으로 포장재배시험을 실시한 성적을 요약하면 다음과 같으며, 시험기간(1975년)중의 기상개요는 그림 2와 같았다. 1. 최아처리법과 발아(부표 1~7, 그림 3~5) (a) GA(Gibberellin)처리는 발아가 빨라서 7~8일 에 발아하여 최아소요일수가 약 10일이며, 발아가 균일하고, 부패가 적어 건전발아개체비율도 높으나, 편당발아본수가 3~4본으르 많고, 싹이 세장하며 발근이 없었다. (b) Ethrel처리는 발아가 훨씬 GA보다 늦어서 대체로 최아소요일수가 20~25일이며, 발아의 균일성과 부패및 건전발아개체비율에서 GA보다 고간 못하나, 편당발아본수가 1~2본으로 적고 싹이 단태건실하며 발근이 극히 양호하였다. (c) GA와 Ethrel의 혼합처리는 GA처리보다 1~2일 발아가 늦으나 싹은 비교적 건실하며, 그밖의 발아상은 GA처리와 거의 같았다. (d) Ethylene Chlorohydrin처리는 Ethrel처리와 거의 같은 발아상을 보이나 발아에 23~26일이 소요되고, 최아중의 부패도 많았다. (e) 6-Benzyladenine처리는 Ethrel처리처럼 싹이 단태건실하고 편당발아본수도 1~2본으로 적으며, 발근도 보이나 발아에 22~28일이 소요되고. 발아가 균일하지 못하며, 절단하여 처리할 경우에는 부패가 심해질 우려가 컸다. (f) 약제별 최적처리법은 다음과 같이 보였다. GA처리 : 절단서면 1~2ppm, 전형서면 2~5ppm에 60분처리. Ethrel처리 : 절단서면 500ppm, 전형서면 1000~2000ppm에 60분처리. GA와 Ethrel의 혼합처리 : 절단서면 GA 1~2ppm＋Ethrel 250~500ppm, 전형서면 GA 5ppm＋Ethrel 250~500ppm, 60분처리. 2. 처리법과 부패 (a) 18~24시간의 GA처리는 거의 완전한 부패를 초래하였다(표 2) (b) Ethylene Chlorohydrin처리는 심한 부패를 유발하고(표 2), 6-Benzyladenine처리도 많은 부패를 유발하는(부표 7) 경향이 보였다. (c) 처리중에 교반하여 표피가 갈리게 한것은 전량 부패하였다(부표 1) (d) 종서에 칼로 3-4곳에 자상을 내서 GA처리를 한 것은 발아조장의 효과가 없고, 부패를 조장하는 경향이 보였다(부표 1) 3. 상토와 발아(부표 1) (a) 최아상의 상토로써 부식질세토를 사용하였을 경우에는 사상의 경우보다 부패가 없고 발아도 양호 하였다. (b) 사상의 경우에는 세사보다 조사가 양호하였다. 4. 처리시기와 발아 (a) 7월 15일처리에 비하여 8월 24일처리의 경우에 Ethrel의 전형서처리에서는 발아가 4일 빨랐으나, Ethrel 절단서처리 및 GA처리에서는 발아가 거의 빨라지지 않았다(그림 9) (b) 처리시기가 늦어져서 휴면이 경과될수록 발아와 발근이 조장되는 경향이 보였다(부표 8) (c) 최아기간이 매우 고온건조하였던 경우(8월 14일처리)에는 심한 부패를 보였다(그림 10) 5. 처리법 및 정식기와 수량 (a) 정식기를 같게 할 경우의 수량은 Ethrel>GAㆍEthrel 혼합>GA 처리의 순위로서 정식당시의 싹의 건실도 및 발근상태와 깊은 관련이 있어보였다. Ethylene Chlorohydrin처리는 포장결주가 많아서 수량이 적었다(그림 11) (b) 처리기를 같게 하여 정식기가 GA보다 Ethrel 처리가 15일 늦어 질 경우에는 Ethrel이 GA처리보다 감수경향을 보였다(부표 10) (c) 어느 처리에서나 정식기가 빠를수록 증수되는 경향이 보였다(부표 10) (d) GA처리 조식의 경우에는 고간 도장하는 경향이 보였으나, 기타처리 및 GA처리라도 만식의 경우에는 도장이 보이지 않았다(그림 12)