1_5代杉木种子园不同无性系生长和结实性状的评价

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1、热带亚热带植物学报　2014，22(3)：281~291JournalofTropicalandSubtropicalBotany1.5代杉木种子园不同无性系生长和结实性状的评价1,21,2*1,2331,21,2陈苏英,马祥庆,吴鹏飞,林文奖,陈友力,邹显花,陈奶莲(1.福建农林大学林学院，福州350002；2.国家林业局杉木工程技术研究中心，福州350002；3.福建漳平五一国有林场，福建漳平364400)摘要：为进一步优化1.5代杉木种子园的质量，通过对福建漳平杉木种子园内21个杉木无性系

2、生长和球果特征的调查，分析不同无性系生长和结实性状的差异及其相互关系，采用层次分析法对不同无性系的生长性状和结实性状进行综合评价。结果表明：1.5代杉木种子园不同无性系之间的生长和结实性状存在明显差异；不同无性系的结实量、球果体积、球果鲜重与其种子产量显著相关，生长性状与结实量、结实量与种子发芽率的相关性不显著。根据不同无性系生长性状和结实性状的综合评价结果，有6个无性系具有生长快且结实量高的特性，可作为重建1.5代杉木种子园的材料。关键词：杉木；无性系；生长性状；结实性状；综合评价doi:10

3、.3969/j.issn.1005–3395.2014.03.010EvaluationonGrowthandSeedCharactersofDifferentClonesin1.5-generationSeedOrchardofChineseFir1,21,2*1,2331,2CHENSu-ying,MAXiang-qing,WUPeng-fei,LINWen-jiang,CHENYou-li,ZHOUXian-hua,1,2CHENNai-lian(1.CollegeofForestry,F

4、ujianAgricultureandForestryUniversity,Fuzhou350002,China;2.ChineseFirEngineeringResearchCenterofStateForestryBureau,Fuzhou350002,China;3.WuyiState-ownedForestFarm,Zhangping364400,China)Abstract:Inordertofurtheroptimizethequalityof1.5-generationseedor

5、chard,thegrowthandsettingcharacteristicof21Chinesefir(Cunninghamialanceolata)clonesin1.5-generationofseedorchardatWuyiState-ownedForestFarm,Zhangping,FujianProvince,wereinvestigated,andthedifferenceandrelationshipofgrowthandsettingcharactersamongclone

6、swereanalyzed.Thecharactersofgrowthandsettingof21cloneswascomprehensivelyevaluatedbytheanalytichierarchyprocess(AHP).Theresultsshowedthatthereweresignificantdifferencesingrowthandsettingcharactersamongdifferentclonesin1.5-generationseedorchard.Therew

7、assignificantcorrelationbetweenseedyieldandsettingamount,volume,freshweightofcone,butnosignificantcorrelationbetweengrowthcharactersandconesettingamount,seedgerminationrate,respectively.Accordingtothecomprehensiveevaluationongrowthandsettingcharacters

8、ofdifferentclones,6clonesofChinesefirwereselectedowingtofast-growingandhighseedyield.Itwassuggestedthattheycouldbeusedasmaterialsforreconstruction1.5-generationseedorchardofChinesefir.Keywords:Cunninghamialanceolata;Clone;Growthcharacter;Settingcharac