| 摘要: |
| 运用细胞离析法对水、旱条件下种植的水、早稻不同叶位叶片的叶肉细胞形态作了观察。结果发现:无论水稻、旱稻其叶片叶肉细胞均表现为具有多个不同方向分枝的分枝状细胞以及少量的环状细胞;随叶位上升,无论水稻、旱稻,不论水种还是旱种都表现出细胞的平均分枝数逐渐上升的趋势。同时还发现:不论水、旱稻凡旱种条件下其各叶位叶片叶肉细胞的平均分枝数除水稻品种合江20的上部几叶外,其它品种均多于水种条件下的相应叶片。可以认为:上述叶肉细胞的变化一方面应与叶片光合功能的增强有关,另外也反映了栽培环境改变后叶片叶肉细胞结构在生态适应方面的变化。 |
| 关键词: 光合功能 分枝数 水稻品种 叶片结构 细胞形态 叶肉细胞 不同叶位叶片 旱稻 |
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| STUDIES ON THE ECO-ADAPTATION OF UPLAND AND LOWLAND RICE The Preliminary Observation On The Anatomical Structure Of The Mesophyll Cells Of The Leaves Iu The Rice Plant At The Different positions Under The Dryland With Irrigation And Flooded Field |
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| Abstract: |
| This paper is the report of studying on the anatomic structure of the ileaves in upland and lowland rice under flooded field and dryland with rrigation conditions.The results indicated:there were two kinds of the mesophyll cells in the leaves of upland and lowland rice,one was called lobed-cell with many lobes in different directions the other was termed as linked-cell.There was a increasing trend in the numbers of the call lobes of leaves from the base towards tie top of the main stem of the rice plant. Bo... |
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