• 한국작물학회지
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• 제57권2호
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• pp.166-170
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• 2012

본 연구는 신간척지에서 벼 기계이앙재배시 염 피해가 적으면서 안정적인 쌀수량 확보를 위하여 모 종류를 어린모, 치묘, 중묘, 폿트묘로 새로 조성된 간척지인 새만금 계화포장에 이앙하여 수행한 내용을 요약하면 다음과 같다. 1. 2년 평균 토양염농도는 이앙전 0.16%에서 환수후 이앙 직후에는 0.04%로 낮아졌다. 2. 모 종류별 출수기는 폿트묘 이앙이 8월 14일인데 비해중묘이앙은 2일, 치묘이앙은 3일, 어린모이앙은 5일 늦게 출수되었다. 3. 도복관련형질에서 중묘이앙이 도복지수가 가장 높아 포장도복 역시 중묘이앙이 반도복 정도 되었다. 4. 수량구성요소를 보면 이앙모 종류별 등숙비율과 현미천립중은 비슷하였고, 주당수수는 치묘>어린모>폿트묘>중묘이앙 순으로 많았으며, 쌀수량은 어린모=치묘>폿트묘>중묘이앙 순으로 많았다. 5. 이앙모 종류별 쌀 품질에서 완전립비율은 치묘>중묘=어린모>폿트묘 순으로 높았고, 아밀로스함량과 단백질 함량은 이앙모 종류간 차이가 없었다. 결론적으로 새로 조성된 간척지에서 벼를 기계이앙재배할 때 안정적인 쌀 수량 확보를 위한 적정 이앙모는 어린모와 치묘가 적합하다고 판단된다.

• 한국자원식물학회지
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• 제11권3호
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• pp.315-318
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• 1998

This study was carried out to investigate the effect of seedling growth with different seedling rate for machine transplanting with turf. Chosun Zoysia was sown on May 17 with three levels seedling rates. The plant charactersitics were greater in 500g/box plots than the other seedling rates on the seedling box. It ws shown that the 30-40day old seedlings of 1.000 and 2,000g/box seedling plots appeared to be proper methods for Sprigging as the high seedling density. The 70 day old seedling plant with 500g/box were shown to be propoer methods for Sprigging. The seedling periods need to be 60 days for 500g/box plots and 40 days for 1,000 and 2,000g/box plots as forming the mats.

• 한국환경복원기술학회지
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• 제13권2호
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• pp.72-79
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• 2010

This research was initiated to investigate the revegetation characteristics under seedling types of native woody plants on a disturbed slope. 4 different seedling types of woody plants (control, unit seedling plot, nature seedling plot, pot seedling plot) with the same woody plants (Rhus chinensis Mill, Albizzia julibrissin Duraz., Quercus acutissima Carr., Pinus densiflora S. et Z.) were treated with 3 replications on the experimental disturbed slope. Data such as the died number of native woody plants, growth height and visual quality were analyzed. The died number of plants were high in unit seedling plot when compared to the rest plots of seedling types. From the standpoint of died plant species, the died number were high in Rhus chinensis and Albizzia julibrissin whereas the died number were low in Quercus acutissima and Pinus densiflora. That's because we used 1-year old seedlings of Rhus chinensis and Albizzia julibrissin and 3-year old seedling Quercus acutissima and Pinus densiflora. This result indicated that the died reason of native woody seedling was not species but seedling age. Both growth height and visual quality were ranked first in the pot seedling plot, second in the nature seedling plot, third in the unit seedling plot, and last in the control plot, respectively. However, the difference of both growth height and visual quality in each seedling plot was not observed on the 11 months after planting. Especially, the main reason of low rooting and growth value in the unit seedling plot was due to wooven fabric outer crust of pot that obstruct seedling rooting into the soil. We concluded that pot seedling of native woody plants was effective in the viewpoint of the ecological disturbed slope revegetation.

• 한국유기농업학회지
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• 제23권1호
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• pp.59-66
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• 2015

고온기 토마토 육묘 시 발생하는 묘의 도장 및 연약화 등의 문제점을 최소화하기 위하여 어린 묘 정식과 육묘방법에 따른 토마토 생육과 수량에 미치는 영향을 구명하고자 수행하였다. 고온기인 7월 20일부터 9월 7일까지 실생묘, 삽목묘, 접목묘로 육묘하였고 어린 묘는 다른 묘보다 20일 정식하였다. 어린묘의 묘소질은 다른 묘에 비해 연약했으며 생체중은 실생묘보다 1/10 정도로 적어 큰 차이를 나타냈다. 정식 20일 후의 어린 묘의 생육은 다른 육묘방법에 비해 양호하였고 생체중은 36.1 g으로 실생묘에 비해 약 3배 정도 증가되었다. 정식 2개월 후의 어린 묘에서 이상줄기는 발생하지 않았고 화방출현도 빨랐다. 어린 묘에서 총 수량과 상품수량이 각각 8,535 kg/10a, 7,575 kg/10a로 가장 많았다. 과실품질은 어린 묘와 육묘방법별로 큰 차이가 없었으며 이상의 결과로 판단해 볼 때 토마토 고온기 육묘 시 어린 묘를 정식함으로써 생육을 촉진하고 과실 수확량을 높여 토마토를 안정적으로 생산 할 수 있을 것으로 판단된다.

• Plant Resources
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• 제5권3호
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• pp.187-191
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• 2002

This experiment was conducted to investigate the effects of turf grass growth to seedling rates and bed soil types. The results of this experiment were summarized as follows; the more increasing the seedling rates, the plant height and leaf length were longer, but the number of leaf and number of branch were fewer. Incase of transplanting of turf grass seedling by rice transplanting machine, it might be considered that the proper alternative bed soil was sandy loam soil with regarding to the economic aspects. The maximum seedling rate of turf grass in the seedling tray for rice was 1,000 of seedling amount due to the nutrient competition with intensive seedling. As the results indicated, it might be recommended that the proper alternative bed soil was sandy loam soil with 1,000 of seedling rates in case of transplanting of turf grass seedling by rice transplanting machine.

• 한국자원식물학회:학술대회논문집
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• 한국자원식물학회 2002년도 심포지엄
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• pp.31-36
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• 2002

This experiment was conducted to investigate the effects of turf grass growth to seedling rates and bed soil types. The results of this experiment were summarized as follows; the more increasing the seedling rates, the plant height and leaf length were longer, but the number of leaf and number of branch were fewer. In case of transplanting of turf grass seedling by rice transplanting machine, it might be considered that the proper alternative bed soil was sandy loam soil with regarding to the economic aspects. The maximum seedling rate of turf grass in the seedling tray for rice was 1,000 of seedling amount due to the nutrient competition with intensive seedling. As the results indicated, it might be recommended that the proper alternative bed soil was sandy loam soil with 1,000 of seedling rates in case of transplanting of turf grass seedling by rice transplanting machine.

• 한국작물학회지
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• 제44권3호
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• pp.225-229
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• 1999

Unstable seedling stand establishment of wet direct seeding culture of rice is one of the major elements preventing the extension of its culture area. In order to develop methods of seedling stand improvement in direct seeded rice on flooded surfaces, three field experiments were conducted on silty loam soil using a cultivar 'Donjinbyeo' for three years, mainly focusing on water management after seeding and seed soaking with plant growth regulators (PGRs). Under the condition of shallow flooding after seeding, seedling stand rate increased and floating seedling rate decreased in both early and normal season seeding compared to deep flooding. With earlier draining time after seeding, there was a tendency towards preferential growth of the seminal root, increase of seedling stand and decrease of the floating seedling rate. Therefore the highest seedling numbers per unit area and the lowest floating seedling numbers were found upon drainage at 1 day after seeding (DAS), while a contrary tendency was shown upon conventional drainage at 7 DAS. Seed soaking with PGRs such as Metalaxyl or mixing of Metalaxyl with gibberellic acid (GA$_3$) significantly increased the seedling stand. In addition the effects of PGR treatment on seedling stand and the early growth of plants were greater under flooded conditions than under drained conditions after seeding, although draining of water after seeding improved the seedling establishment rate more when compared with the PGR treatment. These results suggest that draining management after seeding or maintaining of shallow flooding for a week is the most effective method to improve the seedling stand rate in wet direct seeding.

• 한국작물학회지
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• 제35권6호
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• pp.492-496
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• 1990

비닐하우스 내의 좁은 공간을 입체적으로 활용하여 일시에 대량의 어린묘를 육묘코자 비닐하우스 내에 다단식 시렁을 설치하여 각 시렁 위치별로 묘소질과 본답생육 및 수량 검정을 실시하였던 결과 1. 시렁간격 20cm에서는 육묘일수 10일까지는 시렁 위치에 따른 묘소질에 큰 차이가 없었으나 12일 묘에서는 도장으로 이앙상태가 좋지 않았다. 2. 시렁간격 30cm에서는 육묘일수 12일에도 도장현상이 없었으나 문고병이 발생하기 시작하였다. 3. 관수일수간격 간에는 묘소질 및 이앙상태에 차이가 없었다. 4. 시렁위치에 따른 본답 생육 및 수량에도 차이가 없었다.

• 한국연초학회지
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• 제14권1호
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• pp.42-47
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• 1992

This study was conducted to determine the effects of the bottom watering method on seedling growth, temperature of seedbed and working hours. The results of compared conventional watering with bottom watering were as follows: 1. The lowest and highest temperature on surface of bottom watering seedbed were higher about 2-3$^{\circ}C$ and 3-5$^{\circ}C$ than those of conventional plot, respectively. 2. At 30 days after seeding, flesh and dry weight of seedling in bottom watering seedbed were heavier about 121% and 62% than those of seedling in conventional plot, respectively, while dry ratio of that was lower about 30.2%. 3. Plant height of transplanting seedling in bottom watering seedbed was higher about 4-5cm than that of seedling in conventional plot. Otherwise, ratio of top to root and length of root were not significant. 4. Working hours of bottom watering for growing seedling were reduced 40.9% and 53.4% in primary and secondary seedbeds as compared with those of conventional plot, respectively.

• 한국약용작물학회지
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• 제2권2호
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• pp.114-120
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• 1994

최근 생약의 수요 및 재배면적이 증가됨에 따라 약초의 재배기술 확립이 요청 되고 있는바 추대로 인한 수량감소와 품질저하가 크다고 알려진 강활에 대하여 파종방법별로 육묘기 생육과 묘크기에 따른 추대 및 수량성을 구명하고자 시험한 결과는 다음과 같다. 1. 파종방법별 출아율은 파종량이 적고 산파했을 경우에 높아지는 경향을 보였고 묘크기에 있어서는 파종량간에 대차 없었으나 파종방법간에는 조파구에서 생장량이 많은 경향이었다. 2. 묘 분포비율은 중묘>소묘>대묘의 순으로 많았는데 소묘생산을 위해서는 산파로서 밀파$(8l\;/33m^2)$ 하는 것이 유리 한 것으로 나타났다. 3. 묘크기에 따른 정식후 생육은 묘의 근경이 굵을수록 개화가 빨라지는 경향이었고 지상부 생육은 조파 소묘 정식이 좋은 경향이었다. 4. 묘크기에 따른 추대율은 대묘 89.6%, 중묘 64.4%, 소묘 36.9% 로 묘가 클수록 높았다. 5. 묘크기에 따른 근비대는 미추대근이 추대근에 비하여 많았고 조파묘보다 산파 묘가 좋았다. 6. 생근수량은 산파 소묘 정식구에서 853kg/10a 으로 가장 증수하였다.