《Table 3 Difference in the number of variant alleles based on SSR marker analysis》

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《农户保存与种质库保存的同近名地方稻品种的遗传多样性研究（英文）》

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Differences could be observed in both the number of alleles and the average allele number per locus detected by 49 pairs of SSR primers，as shown in Table 3.The number of variant alleles ranged from52（Group D）to 145（Group R），and the average number of variant alleles in each locus was in the range of 1.06（Group D）to 2.96（Group R）.The primers with the most number of variant alleles varied in each group.For example，RM72，RM228，RM271and RM16 each had 3~7 variant alleles in 2~4 groups of materials.The number of loci in groups with only1 variant allele ranged from 0（Group R）to 48（Group D），indicating great difference in the number of primers with variant alleles among all the 49 pairs of SSR primers in different groups.The range was 1 pair（Group D）to 49 pairs（Group R）.More than 19 pairs of primers exhibited polymorphism to the materials of each group，except Group D.The SSR marker analysis on the Hunan rice landraces showed that，in all the groups except Group E，the allelic variations within each subgroup of the household conservation were less than those of the genebank conservation within the same group，indicating the many-generation purification of the household-conserved rice landraces through natural and artificial selections in the process of their cultivation year after year.