小麥의 初期生育에 관한 硏究

宋昌吉,리차드 에이 리차드스 제주대학교 아열대농업생명과학연구소 1997 아열대농업생명과학연구지 Vol.14 No.-

火山灰土에서 窒素施用量 및 栽植距離差異가 決明의 生育 및 收量形質에 미치는 影響

宋昌吉 濟州大學校 亞熱帶農業硏究所 1994 亞熱帶農業硏究 Vol.11 No.-

濟州火山灰土에서 窒素施用量 및 栽植距離를 달리하였을 때 決明의 主要 特性變異를 究明하기 위하여 遂行한 結果를 要約하면 다음과 같다. 1. 窒素證施에 따라 草長은 增加하는 傾向이었으며, 分枝數, 乾物重은 8kg施用區에서 높게 나타났고, 이보다 많거나 적은 處理區에서는 낮게 나타났다. 2. 株當莢數, 莢長, 莢當粒數, 百位重, 種實收量에 있어서는 8kg處理區에서 높게 나타났고, 이보다 많거나 적은 處理區에서는 낮게 나타났는데, 收量에 대한 曲線의 方程式은 y=347+13.4x-0.744x²이었다. 3. 窒素證施에 따라 草長은 稈徑, 分枝數, 乾物重, 莢長, 莢當粒數, 種實收量과 正의 相關을 보였다. 4. 窒素增施에 따라 草長은 增大하여, 裁植密度와 草長은 高度의 正의 相關이 있었으며, 이에 대한 回歸式은 y=152+0.402x-0.003x²으로 나타낼 수 있었다. 5. 稈徑, 分枝數, 乾物重등 生育形質과 裁當莢數, 莢長, 莢當粒數등의 收量關聯形質은 栽植密度를 增加 시킬수록 減少하는 傾向이었다. 6. 收量은 10cm×50cm 播種區에서 가장 높게 나타났고, 이보다 많거나 적은 區에서는 낮게 나타났는데, 收量에 대한 曲線의 回歸方程式은 y=396+1.97x-0.077x²이었다. 7. 本 試驗結果로 미루어 볼 때 濟州地方에서 決明에 대한 窒素의 適正施肥量은 10a當 8㎏, 適正裁植距離는 10cm×50cm 內外로 思料된다. This study was carried out to investigate the effect of nitrogen application and planting density on major agronomic characteristics and yield in sickle senna (Cassia tora L.). The results obtained are summarized as follows; 1. As the amount of nitrogen fertilization increased, plant height increased. On the plot applicated with nitrogen level (8㎏/10a), the number of branches and weight of dry matter were observed to have increased. On the other hand, it reduced on the application plot with nitrogen level (8kg/10a, or little more). 2. In point of the response of grain yield, number of pods per plant, length of pod, number of grains of pods, weight of 100 grains to amount of nitrogen application, they were observed to be the highest on the level of nitrogen application (8㎏/10a). Significant regression equation of yield was y=347+13.4x-0.744x². 3. The plant height was positively correlated with stem diameter, number of branches weight of dry matter, length of pods, number of grains of pods, grain yield. 4. As the seeding density increased, plant height increased. It was the highly positively correlated with plant height. Significant regression equation of plant height was y=152+0.402x-0.003x². 5. As the seeding density increased, stem diameter, number of branches, weight of dry matter, number of pods per plant, length of pods, and grain number of pods decreased. 6. In point of the response of grain yield to seeding density, it was observed to be the highest on the level of seeding density (10cm×50cm). Significant regression equation of yield was y=396+1.97x-0.077x². 7. This experiment showed that the adequate fertilizing of nitrogen was about 8㎏ per 10a. The highest grain yield was obtained at the planting space of 50cm between rows and 10cm between plants, which is considered to the optimum planting spcaing.

제주에 자생하는 송악 열매의 생리활성 성분의 효능

송창길,김지훈 한국작물학회 2006 한국작물학회 학술발표대회 논문집 Vol.2006 No.-

生長調節物質 處理에 따른 율무의 主要特性變異

宋昌吉 濟州大學校 亞熱帶農嶪硏究所 1992 亞熱帶農業硏究 Vol.9 No.-

율무에 대한 生長調節物質의 反應을 追究하고자, 生長調節物質 ABA(0.1, 1 및 100ppm), CC(10, 100 및 1000ppm), Ethrel(500, 1000 및 2000ppm) 및 CC(10, 100 및 1000ppm) 그리고 無處理등 13水準을 處理한 試驗結果를 要約하면 다음과 같다. ABA, CCC, Ethrel 및 CC의 生長調節劑 名 農度液의 撒布의하여 草長 및 最長節性間長을 短縮시켰으며,倒布 輕感되었는데, 특히 Ethrel 1000ppm 및 2000ppm撤布區에서 耐倒伏性이有意하게 높았다. 葉中 葉綠素含量은 ABA, CCC, Ethrel 및 CC의 撒布모두 無處理에 비하여 葉綠素含量이 높았는데, 특히 CC 및 Ethrel의 撒布는 有意하게 높았다. 生長調節物質撒布에 의하여 100粒重, 種實, 1ℓ重, 種實收量은 대체로 增大하는 傾向을 보였는데, 收量이 有意하게 높은 것은 生長調節劑 ABA 10ppm, CCC 1000ppm 및 100ppm, Ethrel 1000ppm 및 500ppm, 그리고 CC 10ppm 撒布區였다. 生長調節濟撒布에 의하여 粗蛋白質, 粗殿粉, 粗脂肪은 大體로 增加하는 傾向을 보였다. The study is on the response of growth regulator having an effect on adlay plant. This experiment was carried out with definite growth regulators, such as ABA (0.1, 1, 10ppm), CCC (10, 100, 1000ppm), Ethrel (500, 1000, 2000ppm), CC (10, 100, 1000ppm) and control plot. The results obtained can be summarized as followers: Dispersing ABA, CCC, Ethrel and CC liquid got its plant height and internode length shortened, what's more, lodging reduced. Especially, on the dispersal plot of Ethrel liquid 1000ppm, 2000ppm, lodging tolerance appeared high significantly. Chlorophyll content of its leaf increased on the dispersal plot of ABA, CCC, Ethrel and CC in comparison with control plot, Especially, dispersing CC and Ethrel had its content increased significantly. In case of using growth regulator, by and large, the weight of 100 grains, 1 liter grain and grain yield were inclined to increase. On the plot dispersed with ABA 10ppm, CCC 1000, 100ppm, Ethrel 1000, 500ppm and CC liquid 10ppm, a good yield was significant. By means of the dispersal of growth regulator, content of crude protein, crude starch and crude fat were inclined to increase.

窒素施用 및 生長抑制劑處理가 율무의 生育에 미치는 影響

宋昌吉 제주대학교 1990 논문집 Vol.31 No.-

율무의 窒素反應과 生長抑制劑에 대한 反應을 追究하고자, 窒素施用量을 10a當 6,12,18 및 24㎏의 4個水準과 生長抑制劑 ABA(0.1,1.0 및 10ppm) CCC(10,100 및 100ppm), Ethel(500,100 및 200ppm) 및 CC(10,100 및 1000ppm) 그리고 對照區등 13水準을 처리한 試驗結果를 보면 다음과 같다. 窒素施用水準이 높아짐에 따라 草長 및 葉長, 葉幅 그리고 最長節間長은 有意하게 增大하였다. 또한 植物體總乾物重 역시 窒素施用水準이 높아짐에 따라 有意한 增加를 보였으며, 主幹의 乾物重은 窒素 10a當 12㎏ 水準에서 높았고, 이보다 낮거나 높은 水準에서는 減少되었다. 葉中 葉錄素含量은 窒素의 施用水準이 높아짐에 따라 增加하였으며, ABC, CCC, Ethrel 및 CC의 撒布는 모두 對照區에 비하여 葉綠素의 含量이 높았는데, 특히 CC 및 Ethrel의 撒布는 有意하게 높아졌다. The Study is on the response of nitrogen and growth retardant having an effect on adlay plant. This experiment was carried out with maching up 4 levels of amount of manuring nitrogern (6,12,18,2,4㎏/10a) and definite growth retardant, such as ABA(0.1,1.0 10ppm) and control plot. The results obtained can be summarized as follow; In accordance with the rise of the level of nitrogen application., there appeared significant increase in its plant height, leaf length, leaf width, internode length, and weight of dry matter per plant as well. On the plot applicated with nitrogen level(12kg/10a). the dry matter weight of main stem was observed to have increased. On the other hand, it reduced on the application plot with nitrogen level (12kg/10a, or little more). Chlorophyll content of its leaf tended to increase with the rise in the level of nitrogen application. Moreover, the content increased on the dispersal plot of ABA, CCC, Ethrel and CC in comparison with control plot. Especially, dispersing CC and Ethrel had its content increased significantly.

가시비름의 알레로파시 효과

송창길,강정환,김태근,송진영,김현철 한국작물학회 2006 한국작물학회 학술발표대회 논문집 Vol.2006 No.-

火山灰土에서 窒素施用量 및 裁植距離差異가 決明의 生育 및 收量形質에 미치는 影響

宋昌吉 제주대학교 아열대농업생명과학연구소 1994 아열대농업생명과학연구지 Vol.11 No.-

播種量差異가 決明의 主要特性에 미치는 影響

宋昌吉,朴良門,姜炯式 제주대학교 아열대농업생명과학연구소 1993 아열대농업생명과학연구지 Vol.10 No.-

大豆의 倒伏이 主要形質에 미치는 影響

宋昌吉 제주대학교 1991 논문집 Vol.33 No.-

大豆의 倒伏이 主要形質에 미치는 影響을 究明하기 위하여 水原 114號ㆍHill 및 白川을 供試하여 試驗한 結果를 要約하면 다음과 같다. 1. 草長ㆍ分技數ㆍ生體重은 倒伏이 甚할수록, 그리고 倒伏時期가 빠를수록 有意하게 增加하였다. 2. 節數ㆍ株當萊數ㆍ株當粒重 및 100粒重 等은 倒伏時期가 늦어짐에 따라, 그리고 倒伏程度는 적을수록 有意性있는 增加傾向을 보였다. 3. 收量은 倒伏으로 因해 크게 減少되는 傾向을 나타내었는데, 특히 開花期 以前의 倒伏이 收量에 크게 影響을 미친다는 事實이 認定되었다. 4. 主根伸長量과 根重에 있어서는 倒伏時期가 늦을수록, 그리고 倒伏程度가 적어질수록 各各 增大 되었다. 5. 脂肪含量은 幼苗期倒伏區의 含量이 제일 적고, 倒伏時期가 늦어질수록, 그리고 倒伏의 程度가 緩慢해질수록 增加하였다. This study was carried out to investigate the effect of lodging on major agronomic characters of soybean. Three cultivars including Hill were sown and tested. The results obtained can be summarized as follows: 1. Plant height, the number of branches per plant, and fresh weight were significantly increased by the severity of lodging and the significance was recognized by the lodging stages. 2. Numbers of node, pod, seed, and seed weight per plant and 100 seed weights were increased when lodging stages become late but the degree of lodging was significantly increased when the lodging was sightly changed. 3. The yield was sharply reduced by the lodging. Especially, the lodgings of early growth and flowering stage were severely affected by them. 4. In the length of main root and dry weigth of root they got long and heavy with the lodging stage getting late and with the lodging stage being sligtly changed respectively. 5. The concentration of fat in seedling stage which was lodged was the lowest and slightly increased with getting late. Whereas, it was increased with the slight changes in lodging.

가을감자 生産性向上을 위한 綠肥作物栽培와 太陽熱 土壤消毒의 效果

송창길,박양문,강봉균,Song, Chang-Khil,Park, Yang-Mun,Kang, Bong-Kyoon 한국유기농업학회 1998 韓國有機農業學會誌 Vol.7 No.1

제주지역에서 前作物로 綠肥作物을 재배하여 破碎$\cdot$耕耘하고 폴리에칠렌 투명비닐로 1997년 8월 5일부터 8월 29일까지 太陽熱土壤消毒후 가을감자를 재배한 결과를 요약하면 다음과 같다. 멀칭기간중의 토양깊이 10cm에서 최고지원은 $42^{\circ}C$였다. 綠肥作物栽培 및 멀칭에 의해 토양의 pH 및 有機物含量은 높아졌다. 前作物로 재배한 綠肥作物의 生體收量은 sudangrass 交雜種, 콩, 알팔파 순으로 많앙Tejs 반면 멀칭 太陽熱土壤消毒후 가을감자의 地上部生體重, 塊莖收量 등의 생육형질은 콩 + 가을감자재배구가 가장 양호한 것으로 나타났다. 이상의 결과로 볼 때 여름철 고온기에 綠肥作物栽培후 비닐 피복 太陽熱消毒에 의해 작물의 생육형질이 향상될 뿐만 아니라 土壤消毒의 가능성도 있을 것으로 생각된다. This study was conducted to effect promotion of fall potato growth in the place which green manual crops had been previously cultivated, crushed and tilled and polyethylene transparent vinyl had been mulched from Aug. 5 to Aug. 29 in 1997. The maximum temperature of below-ground at the depth of 10cm was $42^{\circ}C$ during the mulching period, and the pH and the organic compound content of soil was very increased by the cultivation of green manual crops and the mulching of polyethylene transparent vinyl. The total yields of green manual crops which had been previously cultivated were as the following orders; the hybrid of sudan grass, soybean, alfalfa, otherwise, fresh weight of stems and the tuber yield of fall potato were significantly affected in the plot of soybean + fall potato after the soil solarization with the mulching. As these results, it was possible to improve crops growth and to sterilize soil by the mulching treatment of polyethylene vinyl after cultivation of green manual crops during the high temperature of the summer season.