시금치 및 벼 잎에서의 각 엽령별에 따른 CO2 고정능과 광호흡 중간 대사물의 변이에 관한 연구 = Studies on the dependence of Changes in Intermediate Compounds of related to Photorespiration and the Ability of Co2 Fixation on different growing Stage in Spinach and Rice Plant .

다국어 초록 (Multilingual Abstract)

C₃-plants, spinach (Spinacia oleracea, L.) and rice plant (Oryza sativa, L., IR 36) at different stages were used for analysis of CO₂-fixation ability, carbohydrates, amino acids, organic acids and intermediates related to photorespiration in order to seek any possible explanation for photorespiration. The following results were obtained. The ability of CO₂ fixation was not different in intact rice with growth while that of spinach increased steadily with growth and decreased with senescence. After pulse feeding, the highest and lowest activity were founp in amino acid and carbohydrate fractions at young stage but the reverse trend was observed with mature. The relative amounts of P-glycolate and glycolate to total organic acid fraction increased steadily with growth while that of serine and glycine to total amino acid fraction fluctuated. The possible role of results above was discussed in connection with photorespiration.