Genetic diversity and population structure of watermelon (Citrullus sp.) genotypes

被引：9
作者：
Pandey, Anamika [1 ]
Khan, Mohd Kamran [1 ]
Isik, Rabia [2 ]
Turkmen, Onder [3 ]
Acar, Ramazan [4 ]
Seymen, Musa [5 ]
Hakki, Erdogan E. [1 ]
机构：
[1] Selcuk Univ, Dept Soil Sci & Plant Nutr, TR-42079 Konya, Turkey
[2] Inonu Univ, Dept Hort, Malatya, Turkey
[3] Selcuk Univ, Dept Hort, TR-42079 Konya, Turkey
[4] Selcuk Univ, Dept Field Crops, TR-42079 Konya, Turkey
[5] Selcuk Univ, Dept Agr Machineries & Technol Engn, TR-42079 Konya, Turkey
来源：
3 BIOTECH | 2019年 / 9卷 / 06期
关键词：
Genetic diversity; Molecular breeding; Population structure; RAPD; ISSR; Watermelon; SIMPLE SEQUENCE REPEAT; LANATUS; RESISTANCE; MARKERS; ISSR; RAPD; LANDRACES; GERMPLASM; INFERENCE; LINKAGE;
D O I：
10.1007/s13205-019-1736-2
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Genetic polymorphism amid plant species is a crucial factor for plant improvement and maintaining their biodiversity. Evaluation of genetic diversity amongst plant species is significant to deal with the environmental stress conditions and their effective involvement in the breeding programs. Hence, in present study, an attempt has been made towards the genetic assessment of individual and bulked populations of 25 watermelon genotypes, belonging to Citroides (citron watermelon) and Lanatus (dessert watermelon) group from Konya, Thrace, Turkmenistan, Saudi Arabia and Turkey. The employed Random Amplified Polymorphic DNA (RAPD) and Inter-Simple Sequence Polymorphism (ISSR) marker systems provided 69.4 and 95.4% polymorphisms, respectively. Different clustering methods showed clear grouping of the genotypes based on the geographical origin and species. Citron genotypes from Turkmenistan stood apart from all the Turkish Lanatus genotypes. However, Saudi Arab Lanatus genotype grouped with native Turkish varieties indicating the genetic linkage. Among all the Turkmenistan Citron genotypes, Turkmenistan-11 was the most distinct form. Moreover, sufficient genetic variation was found between the commercial and native Lanatus genotypes of Turkey as well as Citron genotypes of Turkmenistan. Hence, it will be beneficial to include these genotypes in the future breeding programs to transfer disease-resistant alleles from Citron to Lanatus genotypes.
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页数：14
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