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Necrotic Ring Spot Fungicide
Fusarium oxysporum Fungicide
Description of Necrotic Ring Spot (Fusarium oxysporum):
Fusarium blight will first appear in turf as grayish-green circular patches between 3 inches and 1 foot in diameter. The fungi's pattern of destruction sometimes leaves the center portion of the circle green and resembling a frog's eye. It affects kentucky bluegrass, centipedegrass, perennial ryegrass, tall fescue, red fescue, and bentgrass.
Other common name: Fusarium Blight
CertainLabel™
Necrotic Ring Spot Optimized Control Options Finder
Legend:
Control
Suppression
No Control
According to the manufacturer approved labels: The following 8 fungicides, applied at the listed application rates, will control Necrotic Ring Spot.
Broadcast Treatment
per
Label Rate:
2 - 4 lbs per 1,000 sqft
Cost Effectiveness:
Covers 2500 - 5000 square feet
at a cost of
$3.89 - $7.79 per 1,000 sqft
at a cost of
$3.89 - $7.79 per 1,000 sqft
Blanket Treatment
Application Interval:
Early Spring / Fall
per
Label Rate:
4 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 8000 square feet
at a cost of
$5.00 per 1,000 sqft
at a cost of
$5.00 per 1,000 sqft
Instructions:
Apply in the fall and/or the early spring depending on local specifications.
Blanket Treatment
Application Interval:
14 days
per
Label Rate:
1.2 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 13333 square feet
at a cost of
$3.00 per 1,000 sqft
at a cost of
$3.00 per 1,000 sqft
Instructions:
Apply when conditions are favorable for disease development.
Note: This rate is for residential turfgrass.
Blanket Treatment
Application Interval:
Spring
28 days
28 days
per
Label Rate:
1.2 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 13333 square feet
at a cost of
$3.00 per 1,000 sqft
at a cost of
$3.00 per 1,000 sqft
Instructions:
Make applications on a preventative basis in early to mid-spring.
Note: This rate is for residential turfgrass.
Blanket Treatment
Application Interval:
Fall
28 days
28 days
per
Label Rate:
1.2 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 13333 square feet
at a cost of
$3.00 per 1,000 sqft
at a cost of
$3.00 per 1,000 sqft
Instructions:
Make 2 applications beginning in August before the turfgrass goes dormant.
Note: This rate is for residential turfgrass.
Broadcast Treatment
Application Interval:
14 - 28 days
per
Label Rate:
2 - 4 lbs per 1,000 sqft
Cost Effectiveness:
Covers 7500 - 15000 square feet
at a cost of
$5.34 - $10.68 per 1,000 sqft
at a cost of
$5.34 - $10.68 per 1,000 sqft
Instructions:
Apply when conditions are favorable for disease development.
Blanket Treatment
Application Interval:
Summer
14 days
14 days
per
Label Rate:
4 - 6 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 5333 - 8000 square feet
at a cost of
$6.44 - $9.67 per 1,000 sqft
at a cost of
$6.44 - $9.67 per 1,000 sqft
Instructions:
For prevention, apply in fall before turf has stopped all growth activity. Apply second application in early spring when soil temperatures reach 55-60°F or when disease first appears. For curative action, apply when disease first appears in early spring and continue at 14 day intervals. Water treatment into active root zone.
Blanket Treatment
Application Interval:
14 days
per
Label Rate:
4 - 6 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 5333 - 8000 square feet
at a cost of
$6.44 - $9.67 per 1,000 sqft
at a cost of
$6.44 - $9.67 per 1,000 sqft
Instructions:
Apply when disease first appears at 14 day intervals.
Broadcast Treatment
Application Interval:
14 - 21 days
per
Label Rate:
4 lbs per 1,000 sqft
Cost Effectiveness:
Covers 5000 square feet
at a cost of
$9.65 per 1,000 sqft
at a cost of
$9.65 per 1,000 sqft
Instructions:
Apply when conditions are favorable for disease development.
Broadcast Treatment
Application Interval:
Spring / Fall
28 days
28 days
per
Label Rate:
4 lbs per 1,000 sqft
Cost Effectiveness:
Covers 5000 square feet
at a cost of
$9.65 per 1,000 sqft
at a cost of
$9.65 per 1,000 sqft
Instructions:
Make applications on a preventative basis in early to mid-spring. Make 2 applications beginning in August before the turfgrass goes dormant.
Broadcast Treatment
Application Interval:
Early Spring / Spring / Late Spring / Early Summer / Summer
28 days
28 days
per
Label Rate:
3 lbs per 1,000 sqft
Cost Effectiveness:
Covers 5000 square feet
at a cost of
$11.99 per 1,000 sqft
at a cost of
$11.99 per 1,000 sqft
Instructions:
Apply when soil temperatures reach 60° F in early spring to summer and continue at 28-day intervals under conditions favorable for disease development. Provide additional irrigation following application.
Broadcast Treatment
Application Interval:
14 days
per
Label Rate:
6 - 9 lbs per 1,000 sqft
Cost Effectiveness:
Covers 3333 - 5000 square feet
at a cost of
$14.39 - $21.58 per 1,000 sqft
at a cost of
$14.39 - $21.58 per 1,000 sqft
Instructions:
For prevention, apply in fall before turf has stopped all growth activity. Apply second application in early Spring when soil temperatures reach 55-60°F or when disease first appears. For curative action, apply when disease first appears in early spring and continue at 14 day intervals.
Broadcast Treatment
Application Interval:
14 days
per
Label Rate:
6 - 9 lbs per 1,000 sqft
Cost Effectiveness:
Covers 3333 - 5000 square feet
at a cost of
$14.39 - $21.58 per 1,000 sqft
at a cost of
$14.39 - $21.58 per 1,000 sqft
Instructions:
Apply when disease first appears at 14 day intervals.