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Table 1 Populations and cultivars used in this study and the proportion of genetic clusters at K = 4

From: Genome-wide association study of individual sugar content in fruit of Japanese pear (Pyrus spp.)

Population ID

Seed parent

Pollen parent

Number of  individuals

“orange” cluster

“light blue” cluster

“dark blue” cluster

“green” cluster

523

Akizuki

373-55

106

0.00

0.00

1.00

0.00

538

Akizuki

Hoshiakari

28

0.00

0.66

0.34

0.00

539

Akizuki

450-63

62

0.00

0.01

0.99

0.00

541

Kosui

Hoshiakari

47

0.00

0.68

0.26

0.05

542

Akiakari

450-7

33

0.00

0.30

0.40

0.29

543

Natsushizuku

Hoshiakari

78

0.00

0.71

0.29

0.00

545

Kosui

Inagi

38

0.04

0.04

0.44

0.49

546

Akizuki

Akiakari

36

0.00

0.19

0.54

0.27

547

Akiakari

Okuroku

70

0.00

0.02

0.03

0.95

574

450-63

Chikusui

51

0.00

0.03

0.97

0.00

578

Hoshiakari

Narumi

100

0.00

0.99

0.01

0.00

581

Kanta

Hoshiakari

62

0.51

0.49

0.00

0.00

588

Hoshiakari

Tsukuba49

121

0.00

0.99

0.01

0.00

589

Kanta

Rinka

49

0.77

0.07

0.04

0.12

590

373-055

Kanta

39

0.56

0.00

0.44

0.00

591

Tsukuba51

Kanta

74

0.99

0.00

0.00

0.00

592

Shurei

Kanta

72

0.61

0.00

0.39

0.00

595

Osa gold

Chikusui

46

0.12

0.02

0.68

0.18

Cultivar collection

 

106

0.13

0.14

0.37

0.36

  1. The breeding populations  are the product of about five to seven generations of crossing in a pear breeding program at the Institute of Fruit Tree and Tea Science
  2. Population structure was estimated for each individuals in software ADMIXTURE 1.30  K = 4