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Crops
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Diseases
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Rates
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Application
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Pre-Harvest Intervals (days)
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Max Applications
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Re-Entry Intervals
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Apple
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Blister spot1
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2 kg/ha
(810 g/ac.)
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Foliar: Begin application at petal fall repeating at 7 day intervals
|
30
|
3
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When dry
|
Crown and root rot
(Phytophthora spp.)
|
3-5 kg/ha
(1.2-2 kg/ac.)
|
Foliar: Treat from tight cluster to
pink when there is sufficient leaf
area present to take up the spray.
Treat again approximately 6 weeks
later. Treat again in the fall soon
after harvest.
|
|
Standard planting up to
500 trees/ha:
10 g/tree
High density planting
(> 500 trees/ha):
5 to 10 g/tree
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Drench: Make the first application
in spring anytime after silver tip
and again in early fall
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2
|
|
Belgian endive2
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Phytophthora root rot
|
15 g/m2
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Post-Harvest:
Apply 1 direct spray application 7 days after harvest of roots, right before start of forcing period, at 15 g/m2 in 4 L of water
|
21 between application and sale
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1
|
|
Brassica head and stem vegetables (Crop Group 5-13) and brassica leafy vegetables (Crop Group 4-13)
|
Downy mildew
|
2.25-3.125 kg/ha
(0.91-1.25 kg/ac.)
|
When conditions favour disease development
|
7
|
5
|
12 hours
|
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Ginseng
|
Phytophthora, foliar and root rot
|
5.5 kg/ha
(2.2 kg/ac.)
|
Make first application at full emergence. Repeat once between full emergence and seed set if
environmental conditions require it. Apply again at seed set, once between seed set and pre-senescence (if
required), and a final application at pre-senescence.
|
31
|
5
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When dry
|
|
Lettuce
|
Downy mildew
|
2.8 kg/ha
(1.1 kg/ac.)
|
When conditions favour disease development
|
7
|
12 hours
|
|
Onion
|
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Downy mildew
|
|
Purple blotch
|
|
Rutabaga
|
Downy mildew
|
2.25-3.125 kg/ha
(0.91-1.25 kg/ac.)
|
Raspberry
(red, black)
|
Phytophthora root rot
|
5.5 kg/ha
(2.23 kg/ac.)
|
Spring Applications: Apply the first spray after bud break at 7 cm new growth and then again 3-4 weeks later
Fall Applications: Apply when conditions favour disease development (high soil moisture and cool temperatures) and then repeat if necessary 3-4 weeks later. The last fall application should be made at least 30 days prior to leaf drop.
|
60
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4 (2 in spring and 2 in fall)
|
24 hours
|
| Blackberry |
|
Cranberry
|
When conditions become favourable for disease development
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3
|
4
|
12 hours
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Strawberry
|
Red stele
|
5.6 kg/ha
(2.27 kg/ac.)
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Begin applications when plants start active growth. Repeat at 30-60 day intervals.
|
30
|
24 hours
|
|
Highbush blueberry
|
Anthracnose fruit rot
|
Begin applications at approximately the pink bud stage and continue as needed on a 14-21 day interval
|
1
|
Phomopsis canker
(suppression)
|
|
Phytophthora root rot
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For spring applications, apply the first spray when there is 7 cm of new growth and continue on a 14-21 day interval
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|
Grape
|
Downy mildew
|
3.75 kg/ha
(1.52 kg/ac.)
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Apply when conditions become favourable for disease development. Repeat as needed every 7-14 days.
|
15
|
7
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6 days
|
|
Spinach
|
Downy mildew (suppression)
|
3.38-4.5 kg/ha
(1.37-1.8 kg/ac.)
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Apply when conditions become favourable for disease development. Repeat as needed every 7 days.
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3
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12 hours
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White rust
(suppression)
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