不同种源沙枣种子形态特征及幼苗生长节律研究

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关键词沙枣；种源；种子性状;幼苗生长

中图分类号S722.8文献标识码A

文章编号 0517-6611（2025）23-0103-06

doi： 10.3969/j .issn. 0517-6611.2025.23.023

开放科学（资源服务）标识码（OSID）：

Research ofSeed Morphologica Characteristcsand Seding Growth Rhythmof Elaeagnus angusifolia fromDiferent Provenances LI Jing，CHEN Bin，HAN Ying et al（Zhangye Forestry Science Academy， Zhangye， Gansu 734000）

AbstractInoder tosrenouthigqualityElaeaguangusifoliaprovenancssuitableforplantiginNorthwestChina，2Elegun gustifoliaproveaesfrodieetsosereedsexpeetalatealesedmorpologicalcaracteristisndsdiggowth indicatorsweremeasudandthecomprehensiveanalysismethdwasusedtoevauatetheElaeagusangustfliafromdierentproveance. TheresultsshowedtatthesdmorphologicalcharacteristsandsdinggowthinicatorsofEleagusangustfolifrodfrntprov nances were significantly different （ P<0.01 ）. The seed length，seed width and 1 Ooo-grain weight of P5 were the largest，the cumulative growthseedlinghightofP2wasthelargest，ndtecumulativegrowthgrounddameterofP3wasthelargest.Tereweretogrowthpeaks intheheightandgoundameterofEleagusangustifoliasdingsfrodferentprovenances，othsowingagrothtrendf“slowfast slow-fast-slow”，and the Logistic fiting equations all reached an extremely significant level （ P<0.01 ）.Seedling height showedasignificant positive correlation with ground diameter （ P<0.01 ），and seed length，seed width，and 1 OOo-grain weight all showed a significant positive correlation （ P<0.01 ）.The comprehensive analysis offuzzy mathematical membership function showed thatP5 hadthe highest comprehensive scoreandcouldbeuedastepreferrdprovenanceforscrenngnwvaretsofElaeagusangustifolia，folowedby3andPich could be used as alternative provenances.

KeyWordsElaeagnus angustifolia;Provenance;Seed characteristic;Seedling growtl

沙枣（ElaeagnusangustifoliaL.）是分布于我国西北荒漠和半荒漠地区的直立落叶乔木或小乔木，隶属于胡颓子科（Elaeagnaceae）胡颓子属（Elaeagnus）[1]。（剩余10686字）