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노화처리된 고추종자의 저장성분 누출과 priming 처리가 종자활력 증진에 미치는 영향
강점순,최인수,Kang Jum-Soon,Choi In-Soo 한국생명과학회 2006 생명과학회지 Vol.16 No.2
노화처리 일수가 경과하여 활력이 저하된 종자일수록 종자에서 누출되는 단백질, 아미노산, 가용성 당의 누출량이 많았다. 20일간 노화처리된 종자는 침지 4일째 종자 1g당 35.8 mg의 단백질이 누출되어 건전종자에 비해 6.9배 많았다. 아미노산 누출량도 노화처리된 저활력 종자에서 증가하였다. 가용성 당의 누출량도 20일 노화처리된 저활력 종자에서 침지 4일째 종자 1g당 $36.5{\mu}g$이 누출되어 건전종자보다. 2.8배 많았다. 무기성분의 누출량은 저활력 종자에서 많았으며 무기성분의 누출량은 단백질, 아미노산 및 가용성 당보다는 적었다. 누출량에 근거하여 비파괴적으로 종자활력을 추정할 수 있는 가용성 물질은 단백질과 $K^+$였다. 노화처리된 종자는 발아율과 발아세가 저하되었으며, 종자활력이 저하된 노화종자를 priming 처리함으로써 종자활력을 회복시킬 수 있었다. 이러한 현상은 저활력 종자를 저온에서 발아시킨 경우에 더욱 뚜렷하였다. Quantity of protein, amino acid, and sugar leaked from seeds was greater as the viability of seeds was dropped by the time elapsed of seed aging treatment. In the seeds with the artificial aging treatment for 20 days, 35.8 mg of protein was leaked on the 4th day after soaking, which was 6.9 times higher than that of control. Leakage of amino acid was also higher from low quality seeds treated with the aging treatment. In the seeds with the aging treatment for 20 days, $36.5{\mu}g$ fig of sugar was leaked on the 4th day after soaking, which was 2.8 times higher than that of control. The leakage of inorganic compound was higher from the low quality seeds, and leakage of total protein, amino acid, and sugar. According to .the quantity of leakage, water soluble compounds, which can be used for the assessment of seed quality without any destruction, were protein and potassium. Germination rate and percentage of seeds were dropped with the seed aging treatment, and the seed viability could be recovered by priming treatment. This phenomenon was very clear when the low quality seeds were germinated at low temperature.
식물생장조절제 및 priming 처리가 금어초 종자의 발아와 초기생육에 미치는 영향
강점순,최인수,Kang Jum-Soon,Choi In-Soo 한국생명과학회 2006 생명과학회지 Vol.16 No.3
금어초에서 발아율을 증진시킬 수 있는 생장조절제 최적 처리조건은 $GA_3\;250{\mu}M$ 처리였다. 생장조절제 종류 중 $GA_3$가 BAP보다 발아증진 효과가 높았다. 그러나 $GA_3+BAP$ 혼용하면 발아촉진의 상승작용은 크지 않았다. 금어초에서 발아력을 극대화시킬 수 있는 최적 priming조건은 200 mM의 $KNO_3$ 화학제로 2일간 처리였는데, 무처리에 비해 발아율은 14% 증진되었고, 발아일수는 3.5일 단축되었다. 금어초의 발아적온은 $15{\sim}25^{\circ}C$였고, $30^{\circ}C$ 이상의 온도에서는 발아율이 20% 이하로 저하되어 금어초는 저온발아성 종자였다. 금어초는 발아중에 주어지는 광조건에 따라 발아율이 달랐다. 암상태에서는 저조한 발아율을 보였으나 발아과정중에 적색광이 주어지면 암조건에 비해 발아율이 $15{\sim}20%$ 상승되었다. 금어초에서 묘출현율과 초기생육을 향상시킬 수 있는 파종전 종자처리는 단독 $GA_3$ 및 priming처리보다는 priming과 $GA_3$ 조합한 처리였다. In this study, we investigated the effect of growth regulators, seed priming, and light condition for the germination and early growth in Snapdragon (Antirrhinum majus L.). The optimum concentration of growth regulator for the promotion of germinability turned out to be 250 uM of $GA_3$. The germination enhancement in combination of $GA_3+BAP$ was not significant. The optimum priming condition for the maximum germinability was 2 day treatment of 200 mM of $KNO_3$. which increased germination by 14% and shortened the day to germination by 3.5 days. The optimum temperature for germination was $15{\sim}25^{\circ}C$. The germination frequency was decreased to lower than 20% at $30^{\circ}C$, which showed that seeds of Snapdragon germinates better at low temperature than high temperature. The germination frequency was different at light condition; it was low at dark condition, but was increased by $15{\sim}20%$ at red light condition. The combination of $GA_3$ and seed priming showed better germinability than the single treatment of $GA_3$ and seed priming.
콩나물의 세근발생과 하배측 비대에 미치는 식물생장조절제의 처리 효과
강점순(Jum Soon Kang),이종환(Jong Whan Lee),최인수(In Soo Choi) (사)한국생물환경조절학회 2007 생물환경조절학회지 Vol.16 No.1
본 실험은 고품질의 콩나물 생산을 위한 기초연구로서 식물생장조절제를 이용한 세근발생 억제 및 하배축 비대촉진을 위한 처리 방법을 구명하고자 실험을 수행하여 다음과 같은 결과를 얻었다. 식물생장조절제 중 GA₃나 NAA 처리는 세근발생 억제효과가 미약하였다. 반면 BAP 처이믐 세근발생이 전혀 일어나지 않았고 하배축의 비대를 촉진하였는데, 저농도인 10㎎ㆍℓ?¹ 및 15㎎ㆍℓ?¹ 처리에서도 그 효과가 인정되었다. BAP의 처리시간은 짧을수록 하배축 비대가 촉진되었고 하배축 비대를 촉진하는 처리시간은 6시간 처리였다. BAP 처리 후 24시간 간격으로 관수는 세큰 발생율이 낮았고 하배축 비대는 촉진되었다. 인돌비는 적정농도로 알려져 있는 4.2%보다 낮은 농도인 1.1% 용액을 처리하더라도 세근 발생이 크게 문제 되지 않았다. This study was carried out to identify the treatment methods for the inhibition of lateral roots and promotion of hypocotyl enlargement using plant growth regulators for the production of high quality soybean sprouts. Inhibition of lateral root formation was not significant from the GA₃ and NAA treatments. From the treatment of BAP, lateral roots were not occurred at all, and hypocotyl enlargement was promoted at the low concentration of 10 ㎎ㆍℓ?¹ and 15 ㎎ㆍℓ?¹. Promotion of hypocotyl enlargement was higher as the BAP treatment time was shorter. The optimum time of BAP treatment was 6 hours. Occurrence ratio of lateral roots were low and hypocotyl enlargement was promoted from water supply every 24 hours after BAP treatment. In the indole B treatment, lateral roots occurrence was very low with the concentration of 1.1 %, which is much lower than the optimum concentration of 4.2%.
번행초의 대량번식을 위한 종자처리가 발아력에 미치는 영향
강점순 ( Jum Soon Kang ),박은지 ( Eun Ji Park ),김소희 ( So Hee Kim ),허유 ( You Heo ),박영준 ( Young Hoon Park ),최영환 ( Young Whan Choi ),손병구 ( Beung Gu Son ),임우택 ( Woo Taik Lim ),서정민 ( Jeong Min Suh ) 한국환경과학회 2014 한국환경과학회지 Vol.23 No.5
Tetragonia tetragonides is a medicinal plant native to ocean sand soil of southern provinces and has significant effects on the prevention and curing of gastroenteric disorders. Despite of its popularity, supply of the plant has never met the level of demand because of the absence of an adequate culturing method. The present study, thereby, was conducted for classifying the plants with geographically different characteristics, studying growth habits, developing a new culturing method and establishing a large scale propagation system of selected superior individual plants. The study was also aimed for revealing optimum conditions for seed treatment, fertilization, and efficient culturing system and thereby, for utilizing the plant as a new income source for rural communities. The seed was elongated with size of 2.6 mm (width) × 1.8 mm (length). No difference in seed size was observed depending on different inhabitate. Each flower produced about 4.5~4.8 seeds. Germination rate was high for seeds matured for 40 days after fertilization, but deceased to 50% for seeds matured only for 20 or 30 days. Seed dormancy lasted 6 months and seed storage at humid 5℃ facilitated germination. Mechanical obstruct of seed germination was due to seed coat and removal of seed coat enhanced the germination rate. Optimum temp. for seed storage was 5℃, and high germination rate was maintained for 350 days. However, for stratification condition or at room temperature, germination was significantly reduced as storage time increasedOptimum treatment of plant growth regulators was soaking in GA3 250 mg/L for 1 hr. The priming treatment with 50 mM Ca(NO3)2 at 20℃ for two days improved the seed germination with 10% compared to non-treated control. The treatment of 20% NaOCl for 3 hr. improved the seed germination rate up to 10% and 1 day ahead.