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首页> 外文期刊>New Forests >Effects of cutting size and exogenous hormone treatment on rooting of shoot cuttings in Norway spruce [Picea abies (L.) Karst.]
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Effects of cutting size and exogenous hormone treatment on rooting of shoot cuttings in Norway spruce [Picea abies (L.) Karst.]

机译：挪威云杉of插大小和外源激素处理对插条生根的影响[Picea abies（L.）Karst。]

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摘要

The effects of cutting length, cutting diameter, and exogenous hormone pretreatment on rooting were studied in comparative experiments to improve the efficiency of cutting propagation in Norway spruce. The results showed that cutting length, diameter, and the interaction between cutting length and diameter significantly affected rooting efficiency. Higher rooting efficiency was obtained by cuttings of 0.3-0.4 cm diameter and 9-12 cm length. Hormone type significantly affected all measured rooting traits, and moderately higher measurements were observed in the indole butyric acid treatment than those of the control, whereas all measurements in the alpha-naphthalene acetic acid treatment were significantly lower than those of the control, which may have been an inhibitor of Picea abies in stem cuttings. The cutting size effect on rooting efficiency is discussed and an optimal cutting size is suggested, which provide valuable information for propagating Norway spruce.
机译：在对比实验中研究了cutting插长度，cutting插直径和外源激素预处理对生根的影响，以提高挪威云杉的cutting插繁殖效率。结果表明，切割长度，直径以及切割长度与直径之间的相互作用显着影响生根效率。通过直径0.3-0.4厘米和长度9-12厘米的插条获得更高的生根效率。激素类型显着影响所有测得的生根性状，在吲哚丁酸处理中观察到的测定值比对照稍高，而在α-萘乙酸处理中的所有测定值均显着低于对照，后者可能曾在树干插条中抑制云杉云杉。讨论了切割尺寸对生根效率的影响，并提出了最佳切割尺寸，为挪威云杉的繁殖提供了有价值的信息。

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