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Infestation of Norway spruce seedlings by Cryphalus asperatus : New threat for planting of forests?

机译:Crypalus asperatus的挪威云杉幼苗感染:森林种植的新威胁?

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Cryphalus asperatus (Coleoptera: Curculionidae, Scolytinae) is described as?an exceptional but important secondary pest of?Norway spruce seedlings. Of?the 10 000 seedlings transported to?one location in?the Ore Mountains, Central Europe in?2020, in?total 1 500 seedlings were killed by?C. asperatus. The?infestation and death of?seedlings probably resulted in?part from the?substantial local increase in?the local abundance of?C. asperatus after the?sanitation felling of?many Ips typographus-infested and otherwise damaged trees; the?felled trees provided many branches suitable for?C. asperatus feeding. In?addition, the?seedlings were probably stressed by?the multi-hour transportation (probably drought) from the?forest nursery.
机译:Cryphalus Asperatus(鞘翅目:Curculionidae,Scolytinae)被描述为?挪威云杉幼苗的特殊但重要的二次虫害。 of?10 000幼苗运送到?一个位置?矿山,中欧在?2020中,在?总共1 500种幼苗被烧死?c。 Asperatus。 ?染色和死亡?幼苗可能导致?部分来自?大量局部增加?局部丰富的?c。 asperatus之后?卫生砍伐?许多ips粉末染色体侵染和其他损坏的树木; 砍伐树木提供了许多适合的分支?C。 asperatus喂养。 在?此外,幼苗可能会受到强调的?来自?森林苗圃的多小时运输(可能是干旱)。

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