Gomoljna zelena

1. phase

First 9 true leaves unfolded (from planting to 9 leaves)

Duration: 20 % growing season length
Crop coeficient: 0.40
Rooting depth: 10 cm
BBCH-scale: 10-19
Drought sensitivity: Sensitive

2. phase

Development of vegetative parts and tuber (40% thickness)

Duration: 25 % growing season length
Crop coeficient: 0.40
Rooting depth: 25 cm
BBCH-scale: 44
Drought sensitivity: Sensitive

3. phase

Development of vegetative parts and tuber (60% thickness)

Duration: 20 % growing season length
Crop coeficient: 1.00
Rooting depth: 25 cm
BBCH-scale: 46
Drought sensitivity: Sensitive

4. phase

Development of vegetative parts and tuber (80% thickness)

Duration: 20 % growing season length
Crop coeficient: 1.00
Rooting depth: 30 cm
BBCH-scale: 48
Drought sensitivity: Less sensitive

5. phase

Increase in tuber volume complete (100% thickness)

Duration: 15 % growing season length
Crop coeficient: 0.96
Rooting depth: 30 cm
BBCH-scale: 49
Drought sensitivity: Less sensitive