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Air quality biomonitoring through pollen viability of Fabaceae

机译：通过豆科花粉生存力进行空气质量生物监测

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摘要

In this study, pollen viability and germination of three plant species, Cercis siliquastrum L., Robinia pseudoacacia L., and Spartium junceum L., belonging to the Fabaceae family, was evaluated in sites with different intensity of road traffic, constantly monitored with continuous analysers for air pollutants (carbon monoxide (CO), sulphur dioxide (SO_2), and nitrogen dioxide (NO_2)) by the Municipality of Catania. Two sites, in which road traffic was absent, were selected, too. The percentages of viable pollen by 2,3,5-trypheniltetrazolium chloride (TTC) test ranged from 59.0 to 90.2 % in C. siliquastrum, from 61.5 to 83.5 % in S. junceum and from 67.5 to 84.3 % in R. pseudoacacia. The percentages of germination varied from 41.0 to 72.7 % in C. siliquastrum, from 42.0 to 64.7 % in S. junceum and from 38.3 to 66.3 % in R. pseudoacacia. The highest percentages of viable pollens were found in no-road traffic stations by either TTC or germination tests, while the lowest values were detected in a site characterised by heavy road traffic. In the monitored period (2007-2009), pollen viability, germinability and tube length of C. siliquastrum resulted in a significant negative correlation to CO, SO_2 and NO_2, whereas data from TTC and germination tests on S. junceum and R. pseudoacacia pollens were not well correlated to air pollutants. The results showed that pollen viability, germination and tube growth in C. siliquastrum were affected by air pollution. S. junceum and R. pseudoacacia were not very influenced by air pollutants, suggesting a different pollen sensitivity of these species.
机译：在这项研究中，在不同道路交通强度的地点评估了三种植物花粉活力和萌发的花粉活力和萌发，这三种植物分别是豆科（Fabaceae），刺槐（Cercis siliquastrum L.），刺槐（Robinia pseudoacacia L.）和ju草（Spartium junceum L.）。卡塔尼亚市的空气污染物（一氧化碳（CO），二氧化硫（SO_2）和二氧化氮（NO_2））分析仪。还选择了两个没有道路交通的站点。 2,3,5-三氯四氮唑氯化物（TTC）检测的活花粉百分比在硅假丝酵母中为59.0％至90.2％，在芥菜中为61.5％至83.5％，在伪阿拉伯芥中为67.5％至84.3％。刺槐的发芽百分比从41.0％到72.7％不等，芥菜链球菌的发芽百分比从42.0％到64.7％，伪阿拉伯芥的发芽百分比从38.3％到66.3％。通过TTC或发芽试验在无道路交通站点发现了最高的可行花粉百分比，而在以交通繁忙为特征的站点中发现了最低的花粉百分比。在监测期内（2007-2009年），硅化花粉的花粉生存力，发芽能力和管长度与CO，SO_2和NO_2呈显着负相关，而TTC以及芥菜和伪阿拉伯花粉的发芽测试数据与空气污染物的相关性不高。结果表明，空气污染影响了刺梨花粉的花粉活力，发芽和管的生长。芥菜链霉菌和拟金合欢菌不受空气污染物的影响很大，表明这些物种的花粉敏感性不同。

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