Table 13
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Code

Stage

Code

Stage

0

Germination

5

Inflorescence emergence

00

Dry seed

50-51

1st spikelet visible

01-02

Start of imbibition

52-53

1/4 of inflorescence emerged

03-04

Imbibition completed

54-55

1/2 of inflorescence emerged

05-06

Radicle emerged

56-57

3/4 of inflorescence emerged

07-08

Coleoptile emerged

58-59

inflorescence emerged

09

Leaf on coleoptile tip

6

Anthesis

1

Seedling growth

60-63

Begin of anthesis

10

1st leaf through coleoptile

64-67

1/2 of anthesis

11

1st leaf unfolded

68-69

Anthesis completed

12

2nd leaf unfolded

7

Milk development

13-19

3rd leaf – 9th leaves unfolded

70-71

Caryopsis waterripen

2

Tillering

73-74

Early milk ripe

20

Main shoot only

75-76

Medium milk ripe

21

Main shoot + 1 tiller

77-79

Late milk ripe

22

Main shoot + 2 tillers

8

Dough development

23-29

Main shoot + 3-9 tillers

80-84

Early dough

3

Stem elongation

85-86

Soft dough

31

Pseudo-erection of stem

87-89

Hard dough

32

1st node detectable

9

Ripening

33

2nd node detectable

90

Caryopsis hard

34-36

3rd – 6th node detectable

91

Caryopsis hard

37-38

Flag leaf detectable

92

Caryopsis hard

39

Flag leaf ligula + collar visible

93

Caryopsis loosening

4

Booting

94

Overripe, straw dead

40-41

Flag leaf sheath extending

95

Seed dormant

42-43

Boots just visibly swollen

96

Seeds giving 50 % germ.

44-45

Boots swollen

97

Seed not dormant

46-47

Flag leaf sheath opening

98

2nd dormancy

48-49

First awns visible

99

2nd dormancy lost

TABLE 13: Decimal code for plant growth in cereals after ZADOKS et al. 1974

© by R. Schlegel 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014

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