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Ridomil Gold SL3,4
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4
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Protectant and curative systemic. Do not apply tank mixes of Ridomil and residual herbicides to trees less than 3 years old. Apply herbicide first, then wait 3–4 weeks to apply Ridomil. Minimum retreatment interval is 90 days.
Do not apply to bare roots.
Do not apply rates higher than 1 qt (1 lb a.i.)/acre to citrus resets or new plantings (less than 5 years old) to prevent potential phytotoxicity.
Do not make trunk gummosis sprays and soil applications to the same tree in the same cropping season.
Time applications to coincide with root flushes.
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Nonbearing
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1 qt/acre of treated soil surface.
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Surface spray on weed-free area, followed immediately by 0.5 to 1.0 inch of water.
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Make first application at time of planting.
Make up to 2 additional applications per year at 3-month intervals for maximum control; in most cases, a late-spring and late-summer application should be sufficient.
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½ pt/grove acre.
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Through irrigation injection.
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Newly planted trees up to 6 months: 0.5 fl oz/20 trees.
Trees > 6 months: 1.0–1.5 fl oz/20 trees.
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Individual Tree Treatment for Resets/New Plantings:
Mix desired amount of Ridomil Gold SL in a water solution.
Apply as a directed spray to individual trees (generally 8–12 fl oz/tree) around the base of the tree and outward to cover the fibrous root system.
Follow with sprinkler irrigation to move product into root zone.
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Make first application at time of planting.
Make up to 2 additional applications per year at 3-month intervals for maximum control; in most cases, a late-spring and late-summer application should be sufficient.
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Bearing
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1 pt/acre of treated soil surface if propagule counts are 10–20 propagules/cm3 soil.
1 qt/acre of treated soil surface if propagule counts are >20 propagules/cm3 soil.
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Surface spray on weed-free area, followed immediately by 0.5 to 1.0 inch irrigation.
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Begin applications during the spring root flush period.
Apply up to 3 times/year on 3-month intervals (late spring, summer, early fall).
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½ pt/grove acre if propagule counts are 10–20 propagules/cm3 soil.
1 pt/grove acre if propagule counts are >20 propagules/cm3 soil.
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Through irrigation injection.
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1 qt/10 gal
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Trunk spray for gummosis: Spray the trunks to thoroughly wet the cankers.
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May be applied up to 3 times/year.
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Ridomil Gold GR2
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4
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Do not apply Ridomil Gold GR and residual herbicides to trees less than 3 years old simultaneously. Apply herbicide first, then wait 4 weeks to apply Ridomil.
Do not apply more than 240 lb/acre/year of Ridomil Gold GR.
Time applications to coincide with root flushes.
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Nonbearing
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40–80 lb/acre of treated soil surface
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Apply as banded application under the canopy. For banded applications, use a band wide enough to cover the root system. If rain is not expected for 3 days, follow by 0.5–1.0 inch of irrigation.
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Make first application at time of planting.
Make up to 2 additional applications per year at 3-month intervals for maximum control; in most cases, a late-spring and late-summer application should be sufficient.
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Bearing
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40–80 lb/acre of treated soil surface
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Banded application under the canopy. If rain is not expected for 3 days, follow by 0.5–1.0 inch of irrigation.
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Begin applications during the spring root flush period.
Apply up to 3 times/year on 3-month intervals (late spring, summer, early fall).
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Ultra Flourish3,4
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4
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Protectant and curative systemic. Do not apply tank mixes of Ultra Flourish and residual herbicides to trees less than 3 years old. Apply herbicide first, then wait 3–4 weeks to apply Ultra Flourish. Do not apply more than 24 pt/acre/year of Ultra Flourish.
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Nonbearing
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4 pt/acre of treated soil surface
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Surface spray on weed-free area, followed immediately by 0.5 inch irrigation or by microsprinkler in 0.1–0.3 inches of water.
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Apply every 3 months for maximum control; in most cases, a late-spring and late-summer application should be sufficient. No more than 4 pt/acre to prevent phytotoxicity on new trees.
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1 pt/grove acre
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Through irrigation injection.
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Apply every 3 months for maximum control; in most cases, a late-spring and late-summer application should be sufficient.
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2–3 fl oz/100 gal
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Soil drench; apply 5 gal of mix in water ring.
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Apply every 3 months for maximum control; in most cases, a late-spring and late-summer application should be sufficient.
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Bearing
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2 pt/acre of treated soil surface <20 propagules/cm3 soil.
4 pt/acre >20 propagules/cm3 soil.
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Surface spray on weed-free area, followed immediately by 0.5 inch irrigation or microsprinkler in 0.1–0.3 inch of water.
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Apply 3 times/year (late spring, summer, early fall).
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1 pt/grove acre <20 propagules/cm3 soil.
2 pt/grove acre >20 propagules/cm3 soil.
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Through irrigation injection.
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4 pt/10 gal
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Trunk spray.
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Thoroughly wet the lesions. Apply up to 3 times/year.
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Presidio
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43
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Do not apply more than one application per year.
Apply before disease development. Has a 30-day preharvest interval.
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Nonbearing
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4 fl oz/acre
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Surface spray on weed-free area, followed immediately by drip or microsprinkler in 0.5–1.0 inch of water plus flush time.
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Minimum ground application volume 10 GPA.
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3–4 fl oz/20 gal
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Individual trees for resets or new plantings. Apply 10 fl oz evenly around root zone of each tree.
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If rainfall does not occur within 24 hours post-application, irrigate with sufficient water to move product into root zone. Depending on soil type and root depth, this could require 0.5–1 inch of water.
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Bearing
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4 fl oz/acre
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Surface spray on weed-free area, followed immediately by drip or microsprinkler in 0.5–1.0 inch of water plus flush time.
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Minimum ground application volume 10 GPA.
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