Genetic Diversity Analysis of Iris L.Germplasm by ISSR(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Author(s):: TONG Jun1; ZHOU Yuan1; MAO Jing1; 2; DONG Yan-fang1; 2; XU Dong-yun1; CHEN Fa-zhi1; (1.Wuhan Forestry and Fruit-tree Research Institute，Hubei Engineering Technology Research Center of Landscape Plant，Wuhan,Hubei 430075；2.College of Horticulture and Forestry Sciences，Huazhong Agricultural University，Wuhan,Hubei 430070)

Abstract:: Inter-simple sequence repeat (ISSR) was used to detect the genetic diversity among 34 horticultural cultivars of Iris.The results showed that 10 primers produce 153 clear，polymorphic and steady bands.All of bands were polymorphic（100%)，which indicated that the genetic diversity of Iris L.was rich．The genetic similarity coefficient among the accessions ranged from 0.148 to 0.657，and the average was 0.365.At the point of the similarity coefficient 0.354，all the accessions might be separated into four groups.The group I consisted by the cultivars of I.germanica.The group II had tow cultivars of I.sibirica and tow of I.ensata.In group III，tow I.ensata and tow of germanica from Holland were included.The IV group was made up with cultivars of I.Louisiana.The results of principal coordinates showed similarity to the UPGMA dendrogram.

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Last Update: 2015-08-08