Watermelon Disease Control Efficacy – Cultural Controls
|
Alternaria Leaf Blight |
Anthracnose |
Bacterial Fruit Blotch |
Cercospora Leaf Spot |
Damping Off |
Downy Mildew |
Fusarium Wilt |
Gummy Stem Blight |
Nematodes |
Phytophthora Blight |
Powdery Mildew |
Viruses
|
CULTURAL CONTROLS |
|
|
|
|
|
|
|
|
|
|
|
|
Aphid control |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
F |
Avoid field operations when leaves are wet |
P |
P |
F |
NE |
NA |
P |
NA |
P |
NA |
NA |
NE |
NA |
Avoid overhead irrigation |
P |
P |
G |
P |
NA |
P |
NA |
P |
NA |
F |
P |
NA |
Buy tested seed |
NA |
G |
G |
NA |
NA |
NA |
NA |
G
|
NA |
NA |
NA |
NA |
Change planting date from Spring to Fall |
VG |
VG |
NA |
VG |
NA |
VG |
NA |
VG |
NA |
G |
F |
NA |
Cover cropping with antagonist |
NA |
NA |
NA |
NA |
NA |
NA |
F-G with host resistance |
NA |
NA |
NE |
NA |
NA |
Crop rotation with non-host (2-3 years) |
F |
F |
F |
F |
NA |
NA |
P-F |
G |
NA |
P |
NA |
NA |
Deep plowing |
P |
P |
NA |
P |
NA |
NA |
not effective |
F |
NA |
P |
NA |
NA |
Destroy crop residue immediately |
F |
F |
P |
P |
NA |
F |
not effective |
F |
NA |
P |
F |
NA |
Destroy Volunteer Plants |
F |
F |
F |
F |
NA |
G |
P |
F |
NA |
F |
G |
NA |
Encourage air movement |
F |
P |
P |
F |
NA |
F |
NE |
P |
NA |
NE |
NE |
NA |
Insecticide/ horticultural oils |
NE |
NE |
NE |
NE |
NA |
NE |
NA |
NE |
NA |
NA |
G |
NA |
Less-sensitive varieties |
NA |
G |
NA |
NA |
NA |
NA |
G-VG for seeded varieties only. P for seedless |
NA |
NA |
NA |
NA |
NA |
Nematode-free roots |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
G |
NA |
NA |
NA |
Pathogen free planting materials |
P |
F |
E |
NA |
NA |
NA |
NA |
G |
NA |
NA |
NA |
NA |
pH management (soil) |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
? |
NA |
NA |
Plant away from existing cucurbit |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
Plant in well-drained soil |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
G |
NA |
NA |
Plant on raised beds |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
F |
NA |
NA |
Plastic mulch bed covers |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
F |
NA |
NA |
Postharvest temperature control (fruit) |
NA |
F |
F |
NA |
NA |
NA |
NA |
F |
NA |
F |
NA |
NA |
Sanitation during transplant
|
G |
G |
NA |
NA |
NA |
NA |
NA |
G |
NA |
NA |
NA |
NA |
Select fields with drainage |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
G |
NA |
NA |
Soil organic amendments |
? |
? |
NA |
? |
NA |
NA |
F-G |
? |
NA |
P |
NA |
NA |
Soil solarization (reduce soil inoculum) |
P |
P |
NE |
P |
NA |
NA |
? |
P |
NA |
P |
NA |
NA |
Reduce mechanical injury |
P |
P |
P |
P |
NA |
NA |
NA |
P |
NA |
P |
NA |
NA |
Reflective mulch (additional effect over plastic mulch) |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
Remove plant debris after harvest |
F |
G |
NA |
NA |
NA |
NA |
NA |
F |
NA |
NA |
NA |
NA |
Resistant varieties |
* |
** |
* |
* |
NA |
** |
NA |
* |
NA |
* |
** |
NA |
Rogue diseased plants/fruit (home garden) |
P |
P |
P |
P |
NA |
P |
NA |
P |
NA |
F |
NA |
NA |
Rotation |
F |
F |
NA |
NA |
NA |
NA |
P five plus years |
F |
F |
P |
NA |
NA |
Row cover (insect exclusion) |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
Wash soil from machinery & tools |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
NA |
E = excellent
VG = very good
G = good
F = fair
P = poor
? = research needed
NA = not used
NE = not effective
* = cucurbits differ in susceptability; no resistance within cucurbit types
** = cucurbits differ in susceptability; resistance available within cucurbit types