胶雾决定了西方花蓟马（Frankliniella occidentalis）对黄色或蓝色诱捕器的偏好。
Haze of glue determines preference of western flower thrips (Frankliniella occidentalis) for yellow or blue traps.
机构信息
Wageningen University and Research, P.O. Box 69, 6700 AB, Wageningen, The Netherlands.
Faculty of Agriculture, University of Zagreb, Svetošimunska cesta 25, 10000, Zagreb, Croatia.
出版信息
Sci Rep. 2021 Mar 22;11(1):6557. doi: 10.1038/s41598-021-86105-5.
In a wind tunnel we compared the colour preference for western flower thrips to four types of colour plates (clear, white, blue and yellow) applied with two types of glue (diffuse Stikem versus clear D41). Further the results for blue and yellow preference were validated in two greenhouses. In the wind tunnel, we found a clear preference of yellow over blue when a clear glue (D41) was used. However, with a more diffuse (whitish) glue (Stikem) the preference for yellow over blue disappeared, whereby the attraction to yellow decreased (58%) while the attraction to blue increased (65%). In the greenhouses, we found similar effects as in the wind tunnel with a decrease in attraction to yellow (35%) and increase in attraction to blue (32%) for Stikem compared to D41. Light measurements showed an increase of 18% of blue, 21% of violet light, 8% of yellow and 9% of green light reflected on the yellow Stikem trap versus the yellow D41 trap. On blue plates there was only 4% increase of blue light, 8% decrease of yellow light reflected when Stikem glue was used compared to D41 glue. It is not yet clear if the change of light reflection ratio blue/yellow caused by the glue type plays a role in the change of attraction. The reflective properties of glue are so far an unknown factor in colour choice and may explain partially the different results on colour preference. A small review on thrips colour preference is discussed to determine possible other factors of influence on colour choice.
在风洞中，我们比较了西方花蓟马对四种颜色的色板（透明、白色、蓝色和黄色）的颜色偏好，这些色板使用了两种类型的胶水（扩散型 Stikem 与透明型 D41）。此外，我们还在两个温室中验证了蓝色和黄色偏好的结果。在风洞中，当使用透明胶水（D41）时，我们发现黄色对蓝色有明显的偏好。然而，当使用更扩散（带白色）的胶水（Stikem）时，黄色对蓝色的偏好消失了，黄色的吸引力下降了（58%），而蓝色的吸引力增加了（65%）。在温室中，我们发现与风洞实验相似的结果，Stikem 相比 D41 对黄色的吸引力下降了（35%），对蓝色的吸引力增加了（32%）。光照测量显示，黄色 Stikem 诱捕器反射的蓝光增加了 18%，紫光增加了 21%，黄光减少了 8%，绿光增加了 9%。而蓝色色板上，当使用 Stikem 胶水时，蓝光增加了 4%，黄光减少了 8%。目前还不清楚胶水类型引起的蓝光/黄光反射率变化是否在吸引力变化中起作用。到目前为止，胶水的反射特性是颜色选择中一个未知的因素，可能部分解释了颜色偏好的不同结果。我们对蓟马颜色偏好进行了简要回顾，以确定影响颜色选择的其他可能因素。
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