ii
5. VESTIGING VAN CANOLA
ESTABLISHING CANOLA
31
5.1 Voor-plant bestuur
Pre-plant management
32
5.2 Plantdatum
Time of planting
34
5.3 Plantmetode
Planting method
35
5.4 Plantdigtheid
Planting rate
36 / 37
5.5 Plantdiepte
Planting depth
37 / 38
6. BEMESTING
FERTILIZATION
41
6.1 Stikstof
Nitrogen
42
6.2 Fosfor
Phosphorus
46 / 47
6.3 Kalium
Potassium
47
6.4 Swawel
Sulphur
48
6.5 Ander plantvoedingstowwe
Other plant nutrients
49 / 50
7. ONKRUIDBEHEER
WEED CONTRO
L
55
7.1 Algemeen
General
56
7.2 Beheerstrategieë en onkruiddoders
Control strategies and herbicides
57
8. SIEKTES EN -BEHEER
DISEASES AND DISEASE CONTROL
65
8.1 Saailingafsterf
(Fusarium spp., Pythium spp., Rhizoctonia solani)
Damping-off disease (Fusarium spp., Pythium spp., Rhizoctonia solani)
66
8.2 Swartstam
(Leptosphaeria spp./Phoma lingam)
Blackleg (Leptosphaeria spp./Phoma lingam)
67
8.3 Stamvrot
(Sclerotinia sclerotiorum)
Stem rot (Sclerotinia sclerotiorum)
69 / 70
8.4 Witblaarvlek
(Pseudocercosporella capsellae)
White Leaf Spot (Pseudocercosporella capsellae)
73
8.5 Beet Western Yellows Virus (BWYV)
Beet Western Yellows Virus (BWYV)
74 / 75