Zucchini
1. phase
Development of the first leaves (from planting to formation of side shoots)
Duration:
8 % growing season length
Crop coeficient:
0.40
Rooting depth:
10 cm
BBCH-scale:
100-119
Drought sensitivity:
Sensitive
2. phase
Forming side shoots
Duration:
7 % growing season length
Crop coeficient:
0.45
Rooting depth:
15 cm
BBCH-scale:
201-231
Drought sensitivity:
Sensitive
3. phase
First inflorescence visible
Duration:
8 % growing season length
Crop coeficient:
0.90
Rooting depth:
18 cm
BBCH-scale:
501-531
Drought sensitivity:
/
4. phase
First flowers bloom
Duration:
3 % growing season length
Crop coeficient:
0.90
Rooting depth:
22 cm
BBCH-scale:
601-631
Drought sensitivity:
/
5. phase
Development of the first fruits
Duration:
10 % growing season length
Crop coeficient:
0.80
Rooting depth:
25 cm
BBCH-scale:
701-731
Drought sensitivity:
Sensitive
6. phase
Fruit ripening (first fruit picking)
Duration:
8 % growing season length
Crop coeficient:
0.70
Rooting depth:
30 cm
BBCH-scale:
801
Drought sensitivity:
/
7. phase
Fruit ripening on most plants - picking until the end of the growing season
Duration:
56 % growing season length
Crop coeficient:
0.70
Rooting depth:
30 cm
BBCH-scale:
802-909
Drought sensitivity:
/
