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1·The chlorophyll content and vitality index was not significantly.

而叶绿素含量与活力指数相关性不明显。

2·Serious water stress caused the decreasing of chlorophyll content.

严重的水分胁迫可以引起叶绿素含量下降。

3·There is good correlation between chlorophyll content and SPAD values.

叶绿素含量与SPAD值有很好的相关关系。

4·The chlorophyll content of the whole leaf was increased with increasing shading rate.

叶绿素的含量随着遮光率的提高而增加。

5·Applying plant growth regulators could delay dropping chlorophyll content to some extent.

喷施植物生长调节剂对延缓叶绿素总量下降有一定的作用。

6·The chlorophyll content of shoot-tip seedlings was higher than that of virus infected plants.

茎尖苗叶绿素含量高于对照，这是茎尖苗生长旺盛、产量增加的物质基础和生理基础。

7·Chlorophyll content and assimilation of CO2 in photosynthesis decreased during Zn concentration decreased.

降低锌离子浓度会影响叶绿素的合成，减少光合作用中CO_2的固定。

8·The plant height compound leaf number chlorophyll content and total leaf area were significantly increased.

植株的株高、复叶数、叶绿素含量和总叶面积都显著提高；

9·Chlorophyll content was 1.2 SPAD, and the chloroplast did not develop, with only small vesicle-like structures.

结果发现叶绿素平均含量仅为1.2（SPAD），而叶绿体也不能正常发育仅有囊泡状结构。

10·Compared with the healthy leaves , chlorophyll content in the diseased leaves were reduced from 12.3% to 31.8%.

叶枯病导致草坪草病叶叶绿素含量显著下降，其叶绿素含量下降幅度为12.3~31.8%。