杂交杨树和欧洲杨树的心腐病和大杨树蛀虫对茎的危害

Q4 Agricultural and Biological Sciences
M. Zeps, S. Šēnhofa, M. Zadina, U. Neimane, Ā. Jansons
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引用次数: 7

摘要

杂交白杨生产实木需要较长的轮作周期,从而增加了木材被病虫害破坏的风险。比较了48岁杂交白杨心腐病和白杨蛀虫的危害。× P. tremula L.)和欧洲白杨在拉脱维亚东部的子代试验。采伐树木,在树桩水平上记录和测量腐斑和腐廊。通道数与腐斑数和腐斑总面积成正相关,杂交杨树和欧洲杨树对腐斑和螟虫的易感性相似。然而,家庭之间也存在一些差异。未观察到病原菌对树木生长的影响。树木越大,单位面积腐烂率和气孔率越低,外无腐木层越宽。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Stem damages caused by heart rot and large poplar borer on hybrid and European aspen
Abstract Solid wood production of hybrid aspen requires relative longer rotation periods, thus increasing risk of wood damages by pests and diseases. We compared damages by heart rot and poplar borer of 48 years old hybrid (Populus tremuloides Michx. × P. tremula L.) and European aspen in a progeny trial located in Eastern part of Latvia. Trees were harvested and rot patches and galleries were recorded and measured at a stump level. The number of galleries had positive relation on number of patches and total area of rot. The susceptibility of the rot and poplar borer was similar for both hybrid and European aspen. Yet, some differences among families were detected. No effect of pathogens damage was observed on the tree growth. Larger trees had smaller proportion and incidence of rot and galleries per unit of area as well as wider outer rot-free wood layer.
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来源期刊
Forestry Studies
Forestry Studies Agricultural and Biological Sciences-Forestry
CiteScore
0.70
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