赵献民浙江省农家柿品种数量分类研究.docx

赵献民浙江省农家柿品种数量分类研究.docx浙江省农家柿品种数量分类研究赵献民】,龚榜初匚吴开云I,陈红星2,吕贤良S王年金°(,浙江富阳311400;,磐安322399:浙江省丽水市莲都区林业局,丽水323000:,淳安311700)摘要:对浙江省76份农家柿品种进行表型分析与数量分类研究。结果表明,描述性状呈现多样性,果实、叶片、枝条等组织器官形态特征均有丰富的变化;-,变异程度较高。并对农家柿品种进行数量性状分级:当以单果质量81g和123g为分级点划分时,小果型品种占30%,大果型品种占30%,中杲型品种占40%:」为分级点划分时,扁果形品种占30%,圆果形品种占40%,长果形品种占30%。对表型指标进行主成分分析,前4个主成分可归纳出综合因子,第1、2、4主成分分别归纳为果实综合因子、叶片综合因子、枝条综合因子,第3主成分主耍与果实性状有关,,实现指标的优化;对优化的指标进行Q聚类分析,在不同分划线和阈值处,各类群特征表现各异,聚类结果与柿传统形态学分类较相符,并可将金枣柿系列和其它柿品种明显分为两类;R聚类分析则显示较多果实性状聚为--类,枝条、叶片等性状并未有明显规律,但却发现一些与柿营养生长相关的表型性状聚为一类。本研究也初步解决了农家柿品种中存在的同名异物和同物异名现象,通过观察比较和聚类分析,最终确认这76份农家柿品种实际品种数量为68个。关键词:农家柿;数量分类;主成分分析;聚类分析ResearchonNumericalClassificationofNativePersimmoninZhejiangProvinceZHAOXian-Min,GONGBang-Chu,WUKai-Yun,CHENHong-xing,LVXian-liang',WANGNian-jin(,ChineseAcademyofForestry,Fuyang311400,Zhejang,China;ForestryBureauofPananCountry,ZhejiangProvince,Panan322399,Zhejiang,China;ForestryBureauofLianduDistrict,ZhejiangProvince,Lishui323000,Zhejiang,China;ForestryBureauofChunanCountry,ZhejiangProvince,Chunan311700,Zhejiang,China)Abstract:Thephenotypeanalysisandnumericalclassificationwerecarriedon76nativepersimmonsvarietiesofZhejiangProvince・Theresultsshowedthatthedescriptivetraitstookondiversification»andfruit,leaf,anshadrichvariationonmorphologicalcharacteristics・,»showthatwhenthefruitweightof81gand123gwereforthedivisionpoints♦ountedfor30%,thelargeweightfruit30%,andthemiddleweightfruit40%;,theflat-ountedfor30%,theround-shapedfruit40%,andthelong-shapedfruit30%.ponentanalysisonphenotypeindicator,prehensivefactors・Thefirst»ponentswererespectivelysummarizedasfruitintegratedfactor^leavesintegratedfactortbranchesintegratedfactor,ponentmainlywasrelate