紅花蝴蝶蘭(Dtps. Sinica Ruby 'SCL l6'x Dtps. I-Hsin Maple 'KH5872')瓶苗培養於5、25、45 µmol m-2s-1的光度下，瓶內二氧化碳含童以 5 µmol m-2s-1光度處理最高，但其二氧化碳在明暗期變化上最不頰著，可知 5 µmol m-2s-1光度下，光合作用能力較差，45µmol m-2s-1光度下，瓶內二氧化碳含量於明期降低，暗期增加的趨勢顯著，且在葉綠素含量與澱粉的累積最高，可知提高光度有助於增加光合作用的能力。Phalaenopsis (Dtps. Sinica Ruby ‘SCL 16’ × Dyps. I-Hsin Maple ‘KH 5872’) cultured at 5、25、45 μmol m-2 s-1 treatment had no significance changed on CO2 during light period and dark period. The data showed that 5 μmol m-2 s-1 treatment have bad photosynthesis ability. In 45 μmol m-2 s-1 treatment, CO2 concentration decreases during light period and increased trend during dark period, and the highest of chlorophyll and starch content. The elevating irradiance took advantage of increase photosynthesis ability
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