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本试验结果表明 ,莱芜大姜的光合速率高于莱芜小姜。中部壮龄叶的光合作用强于基部叶 ,顶部嫩叶光合作用最弱。生姜全生长过程的光合速率变化呈单峰曲线 ,其光合作用的日变化 ,呈双峰曲线。生姜光合作用的适宜光强为 90 0～ 1 2 0 0 μmol·m-2 ·s— 1,适宜温度为 2 5～ 30℃。
The results showed that the photosynthetic rate of Laiwu ginger is higher than that of Laiwu ginger. The photosynthesis of middle aged leaves was stronger than that of the basal leaves, and the photosynthesis of the tender leaves at the top was the weakest. Changes in photosynthetic rate of ginger during the whole growth showed a single peak curve, diurnal changes in photosynthesis showed a bimodal curve. The suitable light intensity of photosynthesis for ginger was 90 0 ~ 120 μmol · m-2 · s-1, and the optimum temperature was 25 ~ 30 ℃.