Soil Texture
Description
Coarse
Sand, loamy sand, sandy loam
Medium
Loam, silt loam, silty clay loam
Fine
Clay, gray hydromorphic clay

WEEDS CONTROLLED

DuPont™ VELPAR® L is recommended for the control or suppression of the following weeds in pineapple crops:

Ageratum, tropic

Ageratum conycoides

Balsamapple

Momordica charantia

Castorbean

Ricinus communis

Crabgrass

Digitaria spp

Crotalaria

Crotolaria spp

Dallisgrass

Paspalum dilatatum

Guineagrass

Panicum maximum

Junglerice

Echinochloa colonum

Kao haole*

Leucaena glauca

Moana loa vine*

Canavalia cathartica

Morningglory

Ipomoea spp

Oxalis

Oxalis spp

Popolo

Solanum sandwicense

Richardsonium

Richardsonia spp

Vaseygrass

Paspalum urvillei

*Suppression - a visible reduction in plant population and/or plant vigor as compared to an untreated area and generally not accepted as control.

USE PRECAUTIONS

PINEAPPLE

Do not exceed 1.8 gallons VELPAR® L per acre per crop.

Do not apply VELPAR® L within 181 days of harvest.

SUGARCANE

VELPAR® L is recommended for selective weed control in sugarcane except in the State of Florida.

APPLICATION INFORMATION

Apply a single treatment of VELPAR® L per year using a fixed-boom sprayer and a minimum of 25 gallons of spray per acre unless otherwise directed.

HAWAII

Apply VELPAR® L pre- or postemergence at the following rates for the indicated soil texture:

VELPAR® L (Pints/Acre)

(Plus surfactant

0.25% by volume)

1.8 – 3.5

1.8 – 7.0

7.0 – 14.5

Use the higher levels of the recommended dosage ranges on soils high in organic matter. Do not apply more than twice the highest recommended rate for the indicated soil texture per crop (18–24 months).

A surfactant is recommended for all uses.

For preemergence use only, VELPAR® L may be applied with aerial equipment using at least 10 gallons of spray per acre.

For spot treatments of emerged weeds, VELPAR® L may be applied with a knapsack sprayer in concentrations of 1.8–14

pints per 100 gallons of water. Apply a sufficient volume to thoroughly wet weed foliage, but do not exceed 40 gallons of spray per treated acre. Use the lower concentrations on coarse-textured soils that are low in organic matter, and use the higher concentrations on fine-textured soils that are high in organic matter.

LOUISIANA

Apply 1.8–3.5 pints of VELPAR® L per acre broadcast in the fall before sugarcane emerges or in the spring before active cane tillering begins. Fall treatments of 1.8–3 pints per acre may be followed by a spring treatment of 1.8–3 pints per acre. Do not apply more than 6 pints per year. Use the higher levels of the recommended dosage range on fine- textured soils.

PUERTO RICO

For preemergence treatments, apply 0.9–1.8 pints of VELPAR® L per acre.

For postemergence treatments, apply 0.9–1.8 pints of VELPAR® L per acre to weeds after they have emerged. Use the lower rates on coarse-textured soils and the higher rates on fine-textured soils (high in clay or organic matter). Each ratoon may receive up to 1.8 pints of VELPAR® L per acre.

For spot treatment of emerged weeds, VELPAR® L may be applied with a knapsack sprayer in concentrations of 0.9–1.8 pints per 100 gallons of water. Apply a sufficient volume to wet the weed foliage. Do not exceed 100 gallons of spray per treated acre. Use the lower concentration on coarse-textured soils and the higher concentration on fine- textured soils.

Note: Since it is difficult to calibrate “spot” knapsack applications, extra care must be taken not to exceed the rate equivalent of the maximum of 1.8 pints VELPAR® L per acre.

Do not apply more than 3.6 pints of VELPAR® L per acre per crop.

TEXAS

Apply 1.8–7 pints of VELPAR® L per acre. On plant cane, apply the herbicide before the cane emerges or as a directed layby treatment. On stubble cane, apply VELPAR® L preemergence (up to the 3-leaf stage) or as a directed layby treatment. A pre- or early postemergence treatment may be followed by a layby treatment, provided at least 60 days have elapsed and 3 inches of rainfall or sprinkler irrigation have occurred since the first treatment.

Do not apply more than 7 pints of VELPAR® L per acre per crop.

Use the following rates for the soil texture:

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DuPont Authentication H - 65396 manual Sugarcane

H - 65396 specifications

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