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首页> 外文期刊>African Journal of Biotechnology >Proximity effects of high voltage electric power transmission lines on ornamental plant growth
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Proximity effects of high voltage electric power transmission lines on ornamental plant growth

机译：高压输电线路对观赏植物生长的邻近影响

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The proximity effects of high voltage electric power transmission lines on Leyland Cypress (xCupressocyparis leylandii?(Dallim. and A.B. Jacks.) Dallim) and Japanese Privet (Ligustrum japonicum?Thunb.) growth were examined in a private nursery located in Sakarya, Turkey. Five transect were randomly chosen in both leylandii and privet lots in the nursery. In the summer of 2009, starting from under the power line 12 sampling point for every five meters away from the power line on each transaction was located. From these sampling points, five seedlings for each species were randomly chosen.? From each sampling seedlings, five - seven leaves (for private) or spurs (for leylandii) were collected from lower-, middle- and upper-crown. For each sampling seedling diameter at breast height (dbh) were measured with a caliper. Within the laboratory, the projected surface area (SLA) of needles and leaves were determined using a leaf area meter. The relationship among measured seedling variables and the proximity to high voltage electric power transmission lines were evaluated using correlation.? The effects of proximity to power-line on specific leaf area and seedling dbh were tested with an analysis of variance procedure (ANOVA).?Tukey’s HSD test with alpha = 0.05 was performed to compare means. The result of the data revealed that the mean of seedling dbh at 55 m away from the power line was about 25% smaller than that of the seedlings underneath the power line.? The data also showed that there was a gradual decrease at dbh value of the privet with the distance from the power line. Seedling mean dbh value at the 25th?m sampling point was about 10% lower than that of the seedlings underneath the power line. At the 40th?m sampling point this dbh value was about 17 and 8% lower than those of the seedlings underneath the power line and of the seedling at 25th?m sampling point, respectively. Specific leaf area after the 30th?m away from the power line has been decreasing. The SLA value at the 30th?m is about 17% lower than that of the seedling underneath the power line.
机译：在位于土耳其萨卡里亚的私人苗圃中，研究了高压输电线路对利兰柏（xCupressocyparis leylandii？在苗圃的莱兰迪和女贞地段中随机选择了五个样带。在2009年夏天，从电力线下方开始，每笔交易中距离电力线每五米设置12个采样点。从这些采样点，为每个物种随机选择五棵幼苗。从每个采样幼苗中，从下，中冠和上冠收集了五到七片叶子（私人）或刺骨（对于leylandii）。对于每个采样，使用卡尺测量在乳房高度（dbh）处的幼苗直径。在实验室内，使用叶面积仪确定针叶的投影表面积（SLA）。使用相关性评估测得的幼苗变量与高压输电线路的接近程度之间的关系。通过方差分析（ANOVA）测试了接近电源线对特定叶面积和幼苗dbh的影响。采用Tukey的HSD测试（α= 0.05）比较均值。数据结果表明，距输电线55 m处的幼苗dbh均值比输电线下方的幼苗的平均dbh小约25％。数据还显示，随着距离电源线的距离增加，女贞的dbh值逐渐降低。在第25？m采样点的幼苗平均dbh值比电源线下方的幼苗的dbh值低约10％。在40？m采样点，该dbh值分别比电源线下方的幼苗和25th？m采样点的幼苗的dbh值分别低17％和8％。距电源线30毫米后的比叶面积一直在减小。第30？m的SLA值比电源线下的幼苗的SLA值低约17％。

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