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Table 1 Growth stages for Actinidia chinensis 'Hort16A'

From: Fruit development of the diploid kiwifruit, Actinidia chinensis 'Hort16A'

Stage

BBCH description

BBCH Actinidia chinensis

'Hort16A'

Days after anthesis (DAA)

65

Fully open flowers

Fully open flower

0

70

Fruit set

Fruit set; petals have abscised, fruit about to grow

10

71

10% fruit growth

Fruit reached 10% final weight

25

72

 

Fruit reached 20% final weight

 

73

 

Fruit reached 30% final weight; minimum dry matter

45

74

 

Fruit reached 40% final weight

 

75

50% fruit growth

Fruit reached 50% final weight; growth slowing

60

76

 

Fruit reached 60% final weight

 

77

 

Fruit reached 70% final weight; maximum acids

100

78

 

Fruit reached 80% final weight; seeds start to change colour

115

79

Fruit finished growth

Fruit reached 90% final weight

140

80

Fruit mature

Mature fruit; seeds 95% black; outer pericarp starts to change colour

155

83

 

Start of rapid increase in soluble sugars

175

84

 

Maximum starch

190

85

Colour change finished

Outer pericarp turned yellow (100° hue angle)

200

87

Softening starts

Start of flesh softening

210

88

 

Rapid flesh softening

225

89

Eating ripe

Fruit 10 N firmness softening slows

237

90

Plant senescence

Production of autocatalytic ethylene

270-285

92

 

Fruit less than 4 N, senescence

> 300