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Table 7 Comparison of phenotyping cost (USD) considering advancement of all QTL classes versus advancement of only higher performing F3 generation QTL classes

From: Marker-assisted selection strategy to pyramid two or more QTLs for quantitative trait-grain yield under drought

Background

Generation

Population size

Phenotyping cost (USD)

Total phenotyping cost (USD)

Savings (USD)

  

Based on all classes

Based on selected classes

Based on all classes

Based on selected classes

Based on all classes

Based on selected classes

 

Swarna-Sub1

F3

754

754

27,280

27,280

103,330

43,307

60,023

F4

754

106

27,280

3835

F5

432

106

15,630

3835

F6

432

106

15,630

3835

F7

432

108

15,630

3907

F8

52

17

1881

615

IR64-Sub1

F3

467

467

16,896

16,896

29,197

20,225

8973

F4

194

46

7019

1664

F5

64

18

2316

651

F6

64

18

2316

651

F7

18

10

651

362

Samba Mahsuri

BC1F3

42

42

1520

1520

157,455

50,507

106,948

BC1F4

3000

640

108,540

23,155

BC1F5

1200

640

43,416

23,155

BC1F6

70

44

2533

1592

BC1F7

20

15

724

543

BC1F8

20

15

724

543

TDK1-Sub1

BC2F3

843

843

30,500

30,500

44,501

33,539

10,963

BC2F4

231

43

8358

1556

BC2F5

48

14

1737

507

BC2F6

48

14

1737

507

BC2F7

60

13

2171

470

MR219

BC1F3

214

214

7743

7743

57,671

27,642

30,029

BC1F4

620

240

22,432

8683

BC1F5

620

240

22,432

8683

BC1F6

70

35

2533

1266

BC1F7

70

35

2533

1266

  1. The phenotyping cost of USD 36.18 per entry was calculated considering two replications and screening under NS and RS drought stress with plot size of 1.54 m2 (IRRI Standard drought screening costing)