摘要
对南京地区引种的21个薄壳山核桃品种果实单果重、出仁率、出油率,果型指数性状进行测定分析。结果表明,各性状均有显著的遗传变异,具有明显的改良潜力。相关分析未发现性状间有相互制约的关系。通过综合性状改良,由综合坐标评定法选出Mahan,Wictita,Sioux,Pawnee,Elliott,Shawnee等6个优良新品种,综合性状优于现行的优良品种钟山25号。单果重出仁率、出油率、果型指数遗传增益分别达53.0%~3.8%;25.9%~8.1%;4.7%-3.2%;59.5%~2.1%。
In this study,the fruit weight,kernel rate,oil yield and fruit shape index of twenty-one Carya illinoensis varieties which were introduced to Nanjing,were investigated.All traits of these varieties showed significant genetic variation and improvement potential.There were not relationship among the furit weight,kernel rate,oil yield and fruit shape index of twenty-one Carya illinoensis varieties.Through improving general characteristics,six excellent varieties（such as Mahan,Wictita,Sioux,Pawnee,Elliott,Shawnee etc.）were selected by the general coordinate evaluation method.The general characteristics of these six varieties were better than that of varieties of Zhongshan 25#.The genetic gains of the fruit weight,kernel rate,oil yield and the fruit shape index are 53.0%~3.8%,25.9%~8.1%,4.7%~3.2% and 59.5%~2.1% respectively.
出处
《江苏林业科技》
2011年第3期6-11,共6页
Journal of Jiangsu Forestry Science & Technology
基金
江苏省林业三项工程项目"薄壳山核桃优良新品种选育与示范推广"[LYSX(2009)01]研究内容之一
关键词
薄壳山核桃
品种
果质性状
遗传变异
选择改良
综合选择
遗传增益
Carya illinoensis
Varieties
Fruit quality traits
Genetic variation
Selection to improve
Comprehensive selection
Genetic gain
