...麦品种（临优145和临汾138）光合特性、籽粒产量和品质的影响。结果表明：2，4-D丁酯使小麦灌浆期间旗叶的叶绿素相对含量（SPAD值）和净光合速率（Pn）一直较低，千粒重和籽粒产量显著低于对照；巨星使灌浆前期的SPAD和Pn较高而中后期快速下降，灌浆持续时间缩...
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叶绿素含量相对稳定期 Relative steady phase of lea f chlorophyll content
研究了高温胁迫条件下香根草相对含水量、膜透性、脯氨酸和叶绿素含量的变化规律。
The variation patterns of relative water content, membrane permeability, proline content and chlorophyll content in vetiver grass under high temperature stress were studied.
不同施肥区，麻栎苗木叶绿素含量在速生期时最高，到生长后期相对降低。
Moreover, chlorophyll content in which was up to the highest level at fast-growing stage, and was lower relatively at the later stage.
高温胁迫对叶片相对含水量和叶绿素含量无明显影响。
There has no significant effects on relative water content and chlorophyll content in leaves under high temperature stress.
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