元分析方法被用于份量上调查提高的臭氧集中的效果([叶绿素集中,煤气的交换和小麦的收益部件上的 O 3]) 。通过科学的网有 39 有效引用(ISI,美国) 并且中国杂志全文的数据库(CNKI,中国) 。元分析的结果显示了提高那[O 3] 减少了谷物产量,谷物重量,谷物数字每耳朵,耳朵分别地,相对周围的空气在 26% , 18% , 11% , 5% 和 11% 每植物和收获索引数。在叶的减少生理的人物当小麦是时,在产量比那大得多暴露到提高[O 3], 当浸透光的光合的率(Asat ) ,有气孔的传导力(G ) 和叶绿素内容(Chl ) 分别地在 40% , 31% ,和 46% 减少了时。对的回答提高[在春天小麦和冬季小麦之间的 O 3] 是类似的。大多数变量随增加显示出一个线性减少趋势[O 3] 。为 Asat, G 和 Chl 的最重要的减少在充满舞台的谷物被发现。提高[公司 2] 能显著地改善了或有害效果引起了由的偏移量提高[O 3] 。
The meta-analysis method was applied to quantitatively investigate effects of the elevated ozone concentration ([O3]) on chlorophyll concentration, gas exchange and yield components of wheat. There were 39 effective references through Web of Science (ISI, USA) and Chinese journal full-text database (CNKI, China). The results of meta-analysis indicated that elevated [O3] decreased grain yield, grain weight, grain number per ear, ear number per plant and harvest index by 26%, 18%, 11%, 5% and 11%, respectively, relative to ambient air. The decrease in leaf physiological characters was much greater than that in yield when wheat was expose to elevated [O3], while light-saturated photosynthetic rate (Asat), stomatal conductance (Gs) and chlorophyll content (Chl) decreased by 40%, 31%, and 46%, respectively. The responses to elevated [O3] between spring wheat and winter wheat were similar. Most of the variables showed a linear decrease trend with an increase of [O3]. The most significant decrease for Asat, Gs and Chl was found in grain filling stage. Elevated [CO2] could significantly ameliorated or offset the detrimental effects caused by elevated [O3].