Por
1. phase
Fourth leaf developed (from planting to development of leaf 6)
Duration:
15 % growing season length
Crop coeficient:
0.40
Rooting depth:
10 cm
BBCH-scale:
104-106
Drought sensitivity:
Sensitive
2. phase
Sixth leaf unfolded
Duration:
15 % growing season length
Crop coeficient:
0.45
Rooting depth:
15 cm
BBCH-scale:
106-109
Drought sensitivity:
Sensitive
3. phase
Ninth leaf unfolded
Duration:
15 % growing season length
Crop coeficient:
0.90
Rooting depth:
18 cm
BBCH-scale:
109-401
Drought sensitivity:
/
4. phase
The leaf base begins to thicken and expand, reaching up to 50% of the diameter
Duration:
17 % growing season length
Crop coeficient:
0.90
Rooting depth:
22 cm
BBCH-scale:
401-405
Drought sensitivity:
/
5. phase
70% of the expected length is reached
Duration:
18 % growing season length
Crop coeficient:
0.80
Rooting depth:
25 cm
BBCH-scale:
405-407
Drought sensitivity:
Sensitive
6. phase
Growth complete, length achieved
Duration:
20 % growing season length
Crop coeficient:
0.70
Rooting depth:
30 cm
BBCH-scale:
407-409
Drought sensitivity:
/
