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Fingerprinting in Cucumber and Melon (Cucumis spp.) Genotypes Using Morphological and ISSR Markers
Senthil Natesan,Rajiv Krishna Parvathaneni,Ashok Arunachalam Devaraj,Raveendran Muthuraja,Rajasree Venkatachalam,Arun Prathap Subramani,Pugalendhi Laxmanan 한국작물학회 2011 Journal of crop science and biotechnology Vol.14 No.1
In the present investigation, 13 Cucumis genotypes from different geographical areas of India were screened for genetic diversity using 19 morphological traits and 15 ISSR primers. The analysis of morphological traits grouped the accessions into six clusters. Cluster V contained the maximum number of genotypes namely Kanivellari, Long Green, Andaman Local, Perundurai Local, and Sempatti Local. Clusters I and VI contained the minimum number of genotypes. Among all the characters, the highest mean value was observed in fruit length (23.38) and the lowest mean value was observed in stripes on the blossom end (1.31). The 15 ISSR primers generated 109 polymorphic alleles. The average number of ISSR alleles generated was 8.3 per primer and the level of polymorphism was 87.20%. The ISSR primer UBC 825 was highly informative with a PIC value of 0.8934. The 13 genotypes were grouped into six clusters based on ISSR markers. Cluster III contained the maximum number of genotypes, namely Kanivellari,Sankagiri Local, Perundurai Local, Long Melon, and Sempatti Local, while Clusters I, II, IV, and V (Karur Local, Andaman Local,Edapaddi Local, and N 78, respectively) contained the minimum number of genotypes. The ISSR profile generated genotypes specific allele namely, UBC812_(700bp) and UBC812_(1000bp) for Cluster VI which contained Cucumis genotypes collected from the northern part of India. Similarly, UBC 808 produced specific allele UBC808_(650bp) formed in Cluster III which contained genotypes collected from Tamil Nadu and Kerala.
Fingerprinting in Cucumber and Melon (Cucumis spp.) Genotypes Using Morphological and ISSR Markers
Parvathaneni, Rajiv Krishna,Natesan, Senthil,Devaraj, Ashok Arunachalam,Muthuraja, Raveendran,Venkatachalam, Rajasree,Subramani, Arun Prathap,Laxmanan, Pugalendhi 한국작물학회 2011 Journal of crop science and biotechnology Vol.14 No.1