第51卷第3期2023年6月陕西林业科技ShaanxiForestScienceandTechnologyVol.51No.3Jun.2023doi:10.3969/j.issn.1001G2117.2023.03.008收稿日期:2023G03G15基金项目:陕西省科技厅科技统筹创新工程计划项目(2016KTTSNY03-02).作者简介:李孟楼(1957-),男,教授,主要从事昆虫与经济植物研究.关中地区竹叶花椒优良品系引进试验李孟楼1,史易娟2(1.西北农林科技大学林学院;2.西北农林科技大学植物保护学院;陕西杨凌712100)摘要:为明确竹叶花椒能否在秦岭以北的关中种植和安全越冬,分别从云南、四川和重庆收集13份地理品系试种于杨凌.试种结果表明,仅来自云南永胜县的株系Y2可在杨凌过冬,Y2萌生新梢能力强,芽和新梢无休眠现象,但新梢木质化程度弱、常难以越冬;修剪措施可控制其旺长,促进新枝木质化、安全过冬;该株系枝条较细弱并下垂,皮刺较直,花椒果粒直径为4~5mm,生物学特征似于竹叶椒中的藤椒品系.以上说明,在与杨凌气候条件相同的地区,Y2株系有繁育和扩大试种前景.关键词:竹叶花椒;陕西杨凌;试种中图分类号:S727.3文献标志码:A文章编号:1001G2117(2023)03G0041G04TheInitialReportonPlantingExperimentwithZanthoxylumarmatumLIMengGlou1,SHIYiGjuan2(1.NorthwestA&FUniversityLamCollege;2.NorthwestA&FUniversitycollegeofplantprotection;ShaanxiYangling,712100)Abstract:TotestifZanthoxylumarmatumcouldbeplantedandwinteredinGuanzhong,northofQinlingMountains,atotalof13geographicstrainswerecollectedfromYunnan,SichuanandChongqingandplantedinYanglingarea.TheresultsshowedthatonlyY2strainfromYongshengCountyofYunnanProvincecouldgothroughwinterinYangling.Y2hasastrongabilityofsproutingnewbranches,andthereisnodormancyphenomenoninbudsandshoots.Thedegreeoflignificationofnewshoots,however,isweak,anditisoftendifficulttooverwinter.Pruningmeasurescancontrolthevigorousgrowthofbranches,promotethelignificationofnewbranches,andsafelysurvivethewinter.ThebranchesofY2arethinandpendulous,thebarkspricklesarestraight,andthediameterofZanthoxylumarmatumis4mm~5mm.ThecharacteristicsofY2aresimilartoTengjiaostrainsofSichuan.Theaboveshowsthatinthesamecl...