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首页> 外文期刊>Forest Pathology >Susceptibility of Abies pinsapo and its tree cohort species to Heterobasidion abietinum.
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Susceptibility of Abies pinsapo and its tree cohort species to Heterobasidion abietinum.

机译：Abies pinapo 及其树种对 Heterobasidion abietinum 的敏感性。

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摘要

Abies pinsapo, a rare fir found in the southernmost mountain region of Spain, is severely affected by Heterobasidion abietinum. It was hypothesized that spread of the disease might be favoured by woody species growing in the same habitat. In order to evaluate this hypothesis, artificial inoculation tests were performed on other potential hosts forming the tree cohort species with A. pinsapo. Inoculation test on seedlings demonstrated that H. abietinum was able to colonize stems of Pinus halepensis, P. pinaster and Quercus ilex subsp. rotundifolia, but failed on Q. faginea. Both Pinus species were colonized to a similar extent as the natural host, but Q. ilex subsp. rotundifolia showed a significantly lower susceptibility than conifers. These results suggest that Pinus spp. growing in mixed stands with A. pinsapo might favour spread of H. abietinum. As a consequence, natural replacement of pure A. pinsapo stands by mixed forest Abies-Quercus should be facilitated.
机译：pinspinapo ，是西班牙最南端的山区罕见的冷杉，它受到 Heterobasidion abietinum 的严重影响。据推测，在同一生境中生长的木本物种可能有利于该病的传播。为了评估该假说，对形成具有iA的树种的其他潜在宿主进行了人工接种试验。 pinapo 。在幼苗上的接种试验表明，iH。 abietinum 能够在 Palus halepensis ， P的茎上定植。 pinaster 和 Quercus ilex 子空间。 圆形非洲菊，但在 Q上失败。 faginea 。两种 Pinus 物种的定殖程度都与天然寄主相似，但 Q。 ilex 子空间圆形叶显示的敏感性比针叶树低得多。这些结果表明 Pinus spp。与 A混合生长。 pinapo 可能会促进 H的传播。安息香。结果，纯天然的自然替代。 pinapo 支持林间混合的 Abies-Quercus 。

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