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油菜为三碳作物,具有较强的光呼吸作用。光呼吸作用要消耗掉光合初产物的20～40％,从而减少了作物体内有机碳的积累,并还消耗一定的能量,这样,势必对作物产量有一定的影响。为抑制光呼吸生化过程中的乙醇酸氧化酶的活性,我们于1980年春将亚硫酸氢钠应用于油菜,研究其增产作用、适宜浓度和使用适期,同时还用光呼吸抑制剂2-3环氧丙酸等作了比较。五年来在淮阴市、县科委、农业局的领导和支持下,累计应用面积达35万亩之多,
Rape for the three-carbon crops, with strong photorespiration. Photo respiration consumes 20-40% of the primary products of photosynthesis, thereby reducing the accumulation of organic carbon in the crop body and consuming a certain amount of energy, which is bound to have a certain impact on crop yield. In order to suppress the activity of glycolate oxidase during the photorespiration biochemical process, we applied sodium bisulfite to rapeseed in the spring of 1980 to study the effects of increasing production, appropriate concentration and duration of use, and also using photorespiratory inhibitors 2-3 Epoxy propionic acid were compared. Over the past five years in Huaiyin City, County Science and Technology Commission, Bureau of Agriculture’s leadership and support, the cumulative application area of up to 35 million mu,