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유인수,신현국,배성호 한국농화학회 1978 Applied Biological Chemistry (Appl Biol Chem) Vol.21 No.3
Wheat quality score index was proposed as a new criterion of wheat quality for evaluation of the laboratory testing value such as milling rate (Xm), flour ash content (Xa), flour protein content (Xp) ana sedimentation value (Xs). 1) Wheat quality score index was expressed as follows; Milling score index (MSI)=2.3X_m-72.4X_a Protein score index (PSI)=5.2X_p+0.9X_s Composite quality score index (QSI)=0.63X_(msi)+0.37X_(psi) 2) The samples with the more than 100 of MSI would be the good milliability, and the samples with more than 100 of PSI would be the good bread making properties, while that with less than 100 of PSI be good pastry type properties. Whereas most of the samples with higher value of QSI would be related to the good milliability and good bread making properties. 3) MSI, PSI and QSI were significantly correlated to the each related quality components.
유인수 한국국제농업개발학회 1989 韓國國際農業開發學會誌 Vol.1 No.1
Agricultural emigration in Korea had initially started under private basis in 1960s and however it failed repeatedly. Consequently, the agricultural emigration has been started since 1978 under government's initiative. Even though it was not successful mainly due to lack of government's financial and technical support, however, it was found out from this study that there still exist some possibility of Korean emigrants' farming in foreign countries. Recently, Korea has faced a series of pressures to open domestic market from advanced countries. In order to alleviate the effects of imports for agricultural products and to protect domestic agricultural production, it seems to be essential to start agricultural emigration. There is a tendency that the consumption of rice and vegetables increases steadily in most of countries in tropical region. Furthermore, some of those countries are requesting to receive Korea's accumulated technologies in the field of engineering works, soil survey, sericulture, mushrooms and livestocks, Therefore, Korea is now in a position to extend technical assistance to under developed countries since she has already obtained good experiences in the field. However, it should be pointed out that the existing cultivation techniques need to be developed into suitable form in foreign countries under consideration. In technical aspects, careful consideration should be given to 1) selection of crops and areas of technical cooperation by region, 2) development of suitable model for farm management by region and 3) comprehensive strategies for production, proceessing and marketing of agricultural products. In conclusion, agricultural emigration in Korea has not been sucessful so far mainly due to lack of government's support. However, there seems to be some possibility of agricultural emigration in Korea if adequate support from government is provided for the purpose. Therefore, it is recommendable that the government should take comprehensive measures for activation of agricultural emigration in the near future.
저온과 Abscisic Acid 처리가 바나나의 내냉성(耐冷性)및 인지질지방산의 조성변화에 미치는 영향
유인수,황성원,이병무 한국국제농업개발학회 1993 韓國國際農業開發學會誌 Vol.5 No.2
Abscisic acid(ABA)의 전처리가 바나나 식물체의 저온피해 및 막물질인 인지질의 지방산 조성변화에 미치는 영향을 보기 위하여 Grandnain품종의 묘목에 ABA를 2회 엽면시용한 후 10일간 온도 처리를 하였다. ABA의 처리농도는 0(대조구), 10^6, 10^5, 10⁴mole로 하였고 온도처리는 저온 10℃/7℃, 고온 25℃/20℃로 하였다. 이 시험에서 얻어진 결과를 요약하면 다음과 같다. 1. 저온하에서 ABA처리에 의하여 변색엽면적이 감소되었고 냉해저항성을 나타내는 식물체 건물중은 증대되었는데 가장 효과적인 ABA농도는 10^(-4)mole이었다. 2. 막성분인 인지질 지방산 조성비에서 ABA처리로 Palmit산(16:0) 비율은 감소되었고 linolen산(18:3)의 비율은 증가하는 경향이었다. 3. 인지질의 지방산 불포화도는 저온처리에 의해서 감소되었으며 ABA처리에 의해서는 증가되었다. 4. 바나나 식물체로부터 동정한 인지질은 어느 처리에서나 모두 phosphatidyl NN'-dimethyl ethanolamine, phosphatidic acid, phosphatidyl N-methyl ethanolamine이 주성분으로 나타났으나 이는 이미 보고된 수도잎의 인지질주성분과는 크게 달랐다. To examined the effect of abscisic acid(ABA) on the low temperature stress and the composition of fatty acids in phospholipid in banana plant, 120 days old seedlings grown by tissue culture was sprayed twice with ABA solution before being placed at day/night temperature of 10℃/7℃ or 25℃/20℃ for 10days. The concentration of ABA solution was 0(control), 10^6, 10^5, 10 ⁴mole. The results of the above experiment were summarized follows; 1. Under the low temperature condition, the pretreatment of ABA decreased the discolored leaf area and mcreased the dry weight of plant, indicating chilling resistance. The most effective concentration of ABA solution was 10⁴mole. 2. By the pretreatment of ABA, the relative proportion of palmitic acid(16:0) in phospholipid from leaves was decreased and that of linolenic acid(18:3) was increased. 3. The ratio of untatty acid/fatty acid was increased with ABA treatment but was decreased greatly by low temperature, compared to high temperature. 4. Identified were the components of phospholipid, which are phosphatidyl N,N'-dimethyl ethanolamine, phosphatidic acid, phosphatidyl N-methyl ethanolamine as major component from all of treatments. It is showed that the kinds of phospholipid in banana plant were very different in comparison with that in rice plant reported by other scientist.