GS

Seedling growth

10

First leaf through coleoptile

11

First leaf unfolded

12

2 leaves unfolded

13

3 leaves unfolded

14

4 leaves unfolded

 

Tillering

20

Main shoot only

21

Main shoot and 1 tiller

22

Main shoot and 2 tillers

23

Main shoot and 3 tillers

24

Main shoot and 4 tillers

 

Stem elongation

30

Ear at 1cm (pseudostem erect)

31

First node detectable

32

2nd node detectable

33

3rd node detectable

34

4th node detectable

37

Flag leaf just visible

39

Flag leaf blade all visible

 

Booting

41

Flag leaf sheath extending

43

Flag leaf sheath just visibly swollen

45

Flag leaf sheath swollen

47

Flag leaf sheath opening

 

Ear emergence

51

First spikelet of ear just visible

55

Half of ear emerged

59

Ear completely emerged

 

Flowering

61

Start of flowering

65

Flowering half way

69

Flowering complete

 

Milk development

71

Grain watery ripe

73

Early milk

75

Medium milk

77

Late milk

 

Dough development

83

Early dough

85

Soft dough

87

Hard dough

 

Ripening

91

Grain hard (difficult to divide)

92

Grain hard (not dented by thumbnail)

93

Grain loosening in daytime