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首页> 外文期刊>Forest Ecology and Management >Genetic structure of the green oak leaf roller (Tortrix viridana L.) and one of its hosts, Quercus robur L.
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Genetic structure of the green oak leaf roller (Tortrix viridana L.) and one of its hosts, Quercus robur L.

机译：绿橡树滚轴（Tortrix viridana L.）及其寄主之一Quercus robur L.的遗传结构。

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摘要

An herbivorous insect, the green oak leaf roller (Tortrix viridana) and one of its host species, pedunculate oak (Quercus robur), were investigated for their genetic variation within and among populations on the basis of mitochondrial, chloroplast, and anonymous markers. Oaks and green oak leaf rollers from 10 oak stands in North Rhine-Westphalia (North-Western Germany) were examined. The genetic variation of pedunculate oaks is much lower within than among populations when assessed using chloroplast gene markers and higher among populations when assessed using anonymous markers. When using mitochondrial and AFLP markers, the genetic variation of the green oak leaf roller populations was higher within than among the populations, which suggests a high gene flow between the populations. Mantel tests on the gene diversities of oaks and the green oak leaf roller yielded a significant negative correlation for both marker types. To sum up, the reasons for the differences in the spatial patterns of the genetic variation of the host and herbivorous insect may be found in their different generation times, mechanisms and capacities for dispersal. The results for the green oak leaf roller revealed a higher migration rate than assumed before which has consequences for the prediction of the dynamics of future outbreak events.
机译：以线粒体，叶绿体和匿名标记为基础，研究了草食性昆虫，绿色橡树卷叶虫（Tortrix viridana）及其寄主物种之一有花梗橡木（Quercus robur）的遗传变异。检查了北莱茵-威斯特法伦州（德国西北部）的10个橡树架上的橡树和绿色橡树滚轴。当使用叶绿体基因标记评估时，有花梗橡木的遗传变异比种群间的遗传变异低得多，而使用匿名标记评估的种群间的遗传变异则高得多。当使用线粒体和AFLP标记时，绿色橡树叶滚轴种群的遗传变异高于种群之间的遗传变异，这表明种群之间的基因流较高。对橡树和绿色橡树叶滚轴的基因多样性进行的Mantel测试对两种标记物类型均产生了显着的负相关性。综上所述，寄主和草食性昆虫遗传变异的空间格局不同的原因可能在于它们的产生时间，传播机理和传播能力不同。绿橡树叶子滚筒的结果表明迁移率比以前假定的要高，这对预测未来爆发事件的动态有影响。

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