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Analysis of Genetic Diversity on Beer Barley Varieties in China by SSR

Gao Hong-yun

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Abstract

The genetic relationships among 38 beer barley from China were investigated by SSR.The results showed that choosing 2 pairs separately in the long as well as short arms on the 7 pairs of chromosome in barley,in all,we got 28 pairs of SSR primer.26 pairs of SSR primer were detected to have polymorphism and 187 loci were measured totally.Therein,172 loci have polymorphism which occupies 91.9%.Each primer can augment 1-22 loci with 6.6 loci in the average.The polymorphism information content among the 26 pairs got the highest PIC 0.995 and the lowest 0.375,with the average 0.713 among the 26 pairs.Cluster analysis showed that 38 beer barley could be classified into 2 groups at the level of GD 0.6,which were respectively classified into 4 subgroups again.The GD varied from 0.01124 to 0.74510.Most beer barley had showed certain regular distribution in every subgroup.The results indicated that the genetic basis of them was rather narrow.

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What this paper is about

The genetic relationships among 38 beer barley from China were investigated by SSR.The results showed that choosing 2 pairs separately in the long as well as short arms on the 7 pairs of chromosome in barley,in all,we got 28 pairs of SSR primer.26 pairs of SSR primer were detected to have polymorphism and 187 loci were measured totally.Therein,172 loci have polymorphism which occupies 91.9%.Each primer can augment 1-22 loci with 6.6 loci in the average.The polymorphism information content among the 26 pairs got the highest PIC 0.995 and the lowest 0.375,with the average 0.713 among the 26 pairs.Cluster analysis showed that 38 beer barley could be classified into 2 groups at the level of GD 0.6,which were respectively classified into 4 subgroups again.The GD varied from 0.01124 to 0.74510.Most beer barley had showed certain regular distribution in every subgroup.The results indicated that the genetic basis of them was rather narrow.

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Available abstract

The genetic relationships among 38 beer barley from China were investigated by SSR.The results showed that choosing 2 pairs separately in the long as well as short arms on the 7 pairs of chromosome in barley,in all,we got 28 pairs of SSR primer.26 pairs of SSR primer were detected to have polymorphism and 187 loci were measured totally.Therein,172 loci have polymorphism which occupies 91.9%.Each primer can augment 1-22 loci with 6.6 loci in the average.The polymorphism information content among the 26 pairs got the highest PIC 0.995 and the lowest 0.375,with the average 0.713 among the 26 pairs.Cluster analysis showed that 38 beer barley could be classified into 2 groups at the level of GD 0.6,which were respectively classified into 4 subgroups again.The GD varied from 0.01124 to 0.74510.Most beer barley had showed certain regular distribution in every subgroup.The results indicated that the genetic basis of them was rather narrow.

Key concepts: Biology, Genetic diversity, Genetics, Polymorphism (computer science), Primer (cosmetics), Genotype, Population, Gene

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