TURF - GRAY LEAF SPOT

General Information

PRODUCT INFORMATION

Heritage Action couples a broad-spectrum, systemic fungicide with a systemic compound used for control or suppression of disease through induction of host plant resistance.

Heritage (azoxystrobin) is a broad-spectrum, systemic fungicide that prevents and controls pathogens causing foliar, stem, and root diseases, including leaf and stem blights, leaf spots, patch diseases, mildew, molds and rusts of turfgrass. Action (acibenzolar) exhibits an additional unique mode of action, beyond Heritage alone, which mimics the natural systemic activated resistance (SAR) response found in most plant species. This SAR response does not involve direct activity against the target pathogens.

Heritage Action is a member of Syngenta’s Plant Performance product line that may improve plant vigor and quality. The additional benefits are due to positive effects on plant physiology, which can vary according to plant species and growing environment.

Heritage Action fungicide may be used to control these diseases on golf courses, sod farms, institutional, public, commercial and industrial buildings, and collegiate and professional athletic fields. Heritage Action may be applied as a foliar spray in alternating spray programs or in tank mixes with other registered turf-protection products.

USE PRECAUTIONS AND RESTRICTIONS

Adjuvants: When an adjuvant is to be used with this product, the use of an adjuvant that meets the standards of the Chemical Producers and Distributors Association (CPDA) adjuvant certification program is recommended.

DO NOT apply more than 10 lb product per acre per year (3.7 oz product per 1,000 sq ft per year).

DO NOT apply more than 1.1 lb of Heritage Fungicide (0.55 lb ai) per acre per application.

DO NOT apply to residential lawns.

DO NOT apply by air.

DO NOT graze or feed clippings from treated turf areas to animals.

APPLICATION INSTRUCTIONS

Heritage Action should be applied prior to disease development. Heritage Action mimics the SAR response in plants. Maximum disease control is normally obtained 4 days after a Heritage Action application. Apply Heritage Action at rates and timings given on the label. Use the shortest specified application interval and/or the highest specified rate under conditions of heavy infection pressure, highly susceptible varieties, or when environmental conditions conducive to disease exist. Repeat applications at specified intervals for as long as required. Mix Heritage Action with the required amount of water and apply as a dilute spray application in 2–4 gallons of water per 1,000 square feet (87–174 gallons per acre). Proper adjustments and calibration of spraying equipment is essential for best disease control. For spot treatments, use 0.2 oz Heritage Action per 1 to 2 gallons of water.

For use with soil injection applications:

Heritage Action may be applied through a liquid fungicide injector for the control of ectrotrophic root diseases suchas summer patch and take-all patch. Use Heritage Action only in liquid injection equipment specifically designated for pesticide use.

Apply Heritage Action at 0.2 to 0.4 oz per 1,000 sq ft. Spray carrier volume should fall within 30–150 gallons of water per 1,000 sq ft. Injection hole spacing of 1 inch by 1 inch is recommended for optimum control. Injection depth should be no greater than 2 inches. One inch depth is recommended for optimum results. Application timing should follow disease control strategies used for normal broadcast spray programs.

Limitations, Restrictions, and Exceptions

TURF

For use in the establishment of turfgrass from seed or in overseeding of dormant turfgrass:

Heritage Action may be used for control of certain turfgrass diseases associated with turfgrass establishment from seed. Heritage Action may also be used during overseeding of dormant turfgrass.

Heritage Action may be safely applied before or after seeding or at seedling germination and emergence to ryegrass, bentgrass, bluegrass, and fescue turfgrass types. Optimum application timing is during seeding.

Remarks:

Begin applications before disease is present and continue applications while conditions are favorable for disease development.

Application Interval (days): 14-28

Do not apply more than two sequential applications of Heritage Action for control of Gray leaf spot and Pythium spp. For all other diseases when Gray leaf spot and Pythium spp. are not present, do not apply more than three sequential applications of Heritage Action.

Method
Restricted Entry Interval

12 hours