不同生长调节剂对互叶醉鱼木嫩枝扦插的影响

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关键词：互叶醉鱼木；嫩枝扦插；生长调节剂；生根效果

中图分类号：S687 文献标志码：A 文章编号：2097-2172（2025）11-1052-07

doi：10.3969/j.issn.2097-2172.2025.11.013

Effect of Different Growth Regulators on the Cuttings of Tender BranchesofBuddlejaAalternifolia

YUE Yanling¹，SHI Jia²，JINGRong² （1.YinchuanParks Management Centre，Yinchuan Ningxia75ooo，China;2.Yinchuan Greening and MaintenanceCentre， Yinchuan Ningxia ， China）

Abstract：Inpracticalproduction，plantgrowthregulatorscanefectivelypromote theformationofadventitiousrotsin cutingsandimprovetheirsurvivalrate.InvestigatingtheefectsofgrowthregulatorsonyoungbranchcutingsofBudleja alternifoliaprovidesplantresourcesforecologicalrestorationinaridregions，particularlytheHelanMountains，andenriches landscapeplantdiversityhilealsoeringferenefortevegetativepropagatonanddigproductionofB.ltefae lignifiedcurrentearsotsofB.ltefolwreusedasexperimentalmaterals，ndanL（3）ogoaldesignasplodto examine the effects of 3 growth regulators，indole- 3- aceticacid，indole butyric-naphthalene acetic acid，and rooting powder，and 3 soakingconcetratios（5g/Lsellas3saingurais（00s）ooigpfoe.ls showed that among the 3 types of growthregulators，indole -3- acetic acid produced the best rooting performance，with a root effect index of 9.62，rooting powder （naphthalene acetic acid） resulted in the highest rooting rate of 68.58% .Significant differenceswere observedamongthesoakingconcentrations，andaconcentrationof1OOOmg/Lyieldedthehighestrotefectindexof8.23Soaking timealsoaffectedotingtovaringdegs，withtebestroingpefomancebseedat3OOs，yiingooectidexof46. Rangeanalysisindicated thatthedominantfactorinfluencing oting wasthetypeof growthregulator，whilesoaking timeand concentrationhadsecondarybutnotablefetsOverallteotialotingperfomanceofB.ternifoliayoungbrancecutingswas achieved when cuttingswere soaked in a 1000mg/L rooting powder （naphthalene acetic acid） solution for 300 s.

KeyWords：Buddleja alternifolia; Cuting of young branch; Growth regulator;Rooting effect

互叶醉鱼木（BuddlejaalternifoliaMaxim.）又名互叶醉鱼草，是马钱科醉鱼草属的一种中小型落叶观赏灌木，其枝条纤细下垂，花冠紫蓝色，具有浓郁的芳香气味，花期为5—6月［1]，结果期6—7月。（剩余8630字）