鸭梨及其变异类型的rapd分析-植物遗传资源学报.pdf

植物遗传资源学报2010，11(4)：479，482 JournalofPlantGeneticResources 鸭梨及其变异类型的RAPD分析 马艳芝1．_，张玉星1 (1河北农业大学园艺学院，保定071001；2唐山师范学院生命科学系，河北唐山063000) 摘要：鸭梨为梨属白梨系统优良资源，生产中其变异类型较多。本文首次对鸭梨及其9个鸭梨变异类型进行RAPD分析， 与其他类型能区分开。 关键词：鸭梨；变异类型；RAPD ofYaliPearandMutation RAPD Analysis Typesby MAYan—zhil一．ZHANG Yu—xin91 2 071001 0lCollege够Horticulture。AgriculturalUniversity《ttebei，Baodingt Department《BiologicalScience，Tangshan Teacher’S College，Tangshan063000) isanexcellentP．bretschneideri anditsmutations Abstract：Yali resource．Yali pear Rehd．germplasm pear 1 werestudiedRAPD forthefirsttime．Three S 76werese— by technique polymorphismprime飓——S28，$32，and leetedfrom50RAPD resultsshowed withother RAPD of mutations，the primers．The that：Compared existedone RAPD of band：$32-600；the Chuizhiyalipear specific amplificationsWeixianjuyalipear，Tianyalipear and wereshortofone RAPD of were band：$28—400；the Chuizhiyalipear specific amplificationsWeixianjuyalipear shortoftwo bands：S176—900and wasshortofone band： specific S176—1150；Yanzhuangzihuayalipear specific S176·1150．Itindicatedthat and