Yin Xiu-Min, Yu Shu-Quan, Jiang Hong, Liu Mei-Hu
School of Forestry and Biotechnology, Zhejiang Forestry College, Lin' an 311300, Zhejiang, China.
Ying Yong Sheng Tai Xue Bao. 2010 Jun;21(6):1374-80.
A pot experiment was conducted to study the Eleocarpus glabripetalus seedlings leaf chlorophyll fluorescence characteristics and growth in different seasons under simulated acid rain stress (heavy, pH = 2. 5; moderate, pH = 4.0; and control, pH = 5.6). In the same treatments, the leaf relative chlorophyll content (SPAD), maximum PS II photochemical efficiency (F(v)/F(m)), actual PSII photochemical quantum yield (phi(PS II)), plant height, and stem diameter in different seasons were all in the order of October > July > April > January. In the same seasons, all the parameters were in the order of heavy acid rain > moderate acid rain > control. The interactions between different acid rain stress and seasons showed significant effects on the SPAD, F(v)/F(m), plant height, and stem diameter, but lesser effects on phi(PS II), qp and qN.
通过盆栽试验，研究了在模拟酸雨胁迫（重度，pH = 2.5；中度，pH = 4.0；对照，pH = 5.6）下，不同季节秃瓣杜英幼苗叶片叶绿素荧光特性及生长情况。在相同处理下，不同季节叶片相对叶绿素含量（SPAD）、PSⅡ最大光化学效率（F(v)/F(m)）、实际PSⅡ光化学量子产量（phi(PS II)）、株高和茎粗均表现为10月＞7月＞4月＞1月。在相同季节，所有参数均表现为重度酸雨＞中度酸雨＞对照。不同酸雨胁迫与季节之间的交互作用对SPAD、F(v)/F(m)、株高和茎粗有显著影响，但对phi(PS II)、qp和qN的影响较小。
