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结果表明，旱作栽培及２水、４水、６水处理对冬小麦旗叶光合速率、胞间ＣＯ２浓度无明显影响；旱作栽培处理小麦旗叶的蒸腾速率显著低于浇２、４、６水处理的；旱作处理可使小麦旗叶、旗叶鞘及旗叶节间（裸）的叶绿素含量显著高于浇２、４、６水处理的。
The results showed that dry cultivation and 2 water, 4 water and 6 water treatments had no significant effect on the flag leaf photosynthetic rate and intercellular CO2 concentration of winter wheat. The transpiration rate of flag leaf of wheat under dry cultivation was significantly lower than that of 2, 4, 6 Water treatment; dry treatment can make the wheat flag leaf, flag leaf sheath and flag leaf knot (naked) chlorophyll content was significantly higher than the pour 2,4,6 water treatment.