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首页> 外文期刊>Journal of Arboriculture >Wound closure in trees affected by paclobutrazol.
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Wound closure in trees affected by paclobutrazol.

机译：受多效唑影响的树木伤口闭合。

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Experiments were conducted to investigate the effects of paclobutrazol on closure of wounds made through the bark or resulting from pruning branches in nine species of trees. The species studied were American sycamore (Platanus occidentalis L.), blackwalnut (Juglans nigra L.), European black alder (Alnus glutinosa L.), red oak (Quercus rubra L.), sweetgum (Liquidambar styraciflua L.), white ash (Fraxinus americana L.), white oak (Q. alba L.), white pine (Pinus strobus L.), and yellow poplar (Liriodendron tulipifera L.). Paclobutrazol was applied using either the soil drench or soil injection method. Circular wounds (2 cm [0.8 in.] diameter) were made in the bark on the main stem, and branches were pruned from treated and untreated trees at the time of paclobutrazol application in the spring. The rate of wound closure was determined one, two, and three growing seasons after treatment. The rate of bark wound closure was reduced in paclobutrazol-treated black walnut, European black alder, red oak, sweetgum, and white oak. There was no difference in the rate of closure of wounds in the bark of treated and untreated American sycamore, white ash, white pine, or yellow poplar. The rate of pruning would closure was reduced in black walnut, European black alder, red oak, sweetgum, and white oak, but was not influenced by paclobutrazol treatment in white ash, white pine, or yellow poplar. The inhibitory effect of placlobutrazol on closure of both bark and pruning wounds in some species persisted at least 3 years..
机译：进行了实验以研究多效唑对9种树皮中通过树皮或修剪树枝造成的伤口闭合的影响。研究的物种是美国梧桐（Platanus occidentalis L.），黑胡桃（Juglans nigra L.），欧洲黑al木（Alnus glutinosa L.），红橡树（Quercus rubra L.），甜木（Liquidambar styraciflua L.），白灰（Fraxinus americana L.），白橡树（Q. alba L.），白松树（Pinus strobus L.）和黄杨树（Liriodendron tulipifera L.）。多效唑使用土壤浸湿法或土壤注入法施药。在主茎的树皮上打上圆形伤口（直径2厘米[0.8英寸]），并在春季施用多效唑时从处理过的和未处理的树上修剪树枝。在治疗后的一个，两个和三个生长季节确定伤口闭合的速率。在多效唑处理的黑胡桃木，欧洲黑al木，红橡树，甜木和白橡树中，树皮伤口闭合的速率降低。经处理和未经处理的美国梧桐，白灰，白松木或黄杨树皮的伤口闭合率没有差异。黑胡桃木，欧洲黑al木，红橡树，甜木和白橡树的修剪速率将降低，但白灰，白松木或黄杨树的多效唑处理则不受其影响。普拉克唑对某些物种的树皮和修剪伤口的闭合的抑制作用持续至少3年。

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