Syngenta introduces Postiva™ fungicide, a new product.

Summary :

With the registration of Syngenta’s PostivaTM fungicide, ornamental producers now have a powerful tool to assist manage challenging diseases like Fusarium, leaf spots, Botrytis, powdery mildew, and more. The US Environmental Protection Agency has certified Postiva for use in ornamental nurseries, greenhouses, and residential and commercial landscapes.

Postiva Fungicide

Postiva fungicide is powered by ADEPIDYN® technology, the first member of a subclass of SDHIs, and difenoconazole, a DMI fungicide. With two modes of action, Postiva provides strong protection and reliable control of difficult diseases such as Fusarium, leaf spots, Botrytis, powdery mildew, as well as bacterial suppression.

Product name : POSTIVA

Active Ingredients: Pydiflumetofen, Difenoconazole

Structure 

Difenoconazole Structure

Difenoconazole is a member of the class of dioxolanes that is 1,3-dioxolane substituted at position 2 by 2-chloro-4-(4-chlorophenoxy)phenyl and 1,2,4-triazol-1-ylmethyl groups. A broad spectrum fungicide with novel broad-range activity used as a spray or seed treatment.

Pydiflumetofen Structure

Pydiflumetofen is a broad-spectrum fungicide. It has a low aquesous solubility and a low volatility. It may be persistent in both soil and water systems depending upon local conditions. It is not highly toxic to mammals but it may be a liver and/or thyroid toxicant. It is highly toxic to most aquatic species.

EPA#: 100-1661

Design code. : A20259G
Product Registration number : 100-1661

Company name of supplier : Syngenta Crop Protection, LLC

Recommended use of the chemical and restrictions on use

Recommended use : Fungicide
Restrictions on use : General Use Pesticide

COMPOSITION/INFORMATION ON INGREDIENTS
Chemical name CAS-No. Concentration (% w/w)
difenoconazole 119446-68-3 11.4679
pydiflumetofen 1228284-64-7 6.8807
propane-1,2-diol 57-55-6 >= 5 – < 10

Note – Actual concentration is withheld as a trade secret

Features and Benefits :

  • Features a combination unique to the ornamental market in FRAC Groups 7 and 3
  • Rapidly absorbed into plant tissue creating a rainfast barrier of protection, preventing infection and disease progression
  • Bacterial disease suppression (Pseudomonas spp. and Xanthomonas spp.)
  • Postiva has also demonstrated strong activity against bacterial pathogens such as Pseudomonas spp. and Xanthomonas spp., broadening the spectrum of control for a complete plant protection treatment.
  • Applications can be made by spray, drench, chemigation or cold fogging
  • Excellent rotation partner to diversify programs for more comprehensive and broader-spectrum control
  • Outstanding efficacy and long-lasting control of Fusarium spp., powdery mildews and leaf spot diseases
  • Provides a complete plant protection treatment against fungal and bacterial pathogens.
  • Flexible application methods fit any operation

HAZARDS IDENTIFICATION

GHS classification in accordance with the OSHA Hazard Communication Standard (29 CFR 1910.1200)
Not a hazardous substance or mixture.
GHS label elements
Not a hazardous substance or mixture.
Other hazards
None known.

Postiva can be applied by spray, drench, chemigation or cold fogging to ornamentals, vegetable plants and non-bearing fruit and nut plants grown for retail sales. Due to the flexible application methods, Postiva is a perfect fit for any operation.

Syngenta’s New Fungicide

APPLICATION DIRECTIONS
Methods of Application

Apply Postiva at rates specified in the use tables (Sections 6.0 and 7.0). Where permitted, applications can be made by ground, by air, and via chemigation as specified. Aerial application is permitted only to field- and container-grown nursery crops.
-FOLIAR APPLICATION (INCLUDING AERIAL APPLICATION)
– DRENCH APPLICATION (CONTAINER-GROWN ORNAMENTALS)
• For use on Ornamentals only
• Prepare the Postiva drench solution according to the table below.
• Postiva may be applied to- field- and container grown plants produced in greenhouses and nurseries (including shade houses, lath houses and other outdoor growing structures), evergreen (including conifer) and deciduous tree nurseries, Christmas tree farms, residential and commercial landscapes, parks and interior plantscapes.
• Apply according to the use directions in Section 6.0.
• Apply enough drench solution to thoroughly wet the root zone of the plants without leaching through the container.
o For plants grown in flats and containers, apply 1-2 pt of drench solution per sq ft.
o For plants grown in containers, refer to the drench volumes below. Adjust volume accordingly based on planting media.
o DO NOT exceed the maximum single application rate listed in the use restrictions.

-AUTOMATIC COLD FOGGER APPLICATIONS (GREENHOUSES)
Applications can be made in greenhouses with automatic cold fogger equipment (such as Dramm AutoFog). Apply the same amount of Postiva per unit area as would be applied in a dilute spray volume to the same area.


DO NOT apply through cold fogger equipment when workers are present in the greenhouse during the application.

“With two active ingredients, Postiva is a powerful broad-spectrum fungicide for greenhouse and nursery growers looking to diversify their rotation programs,” said Nancy Rechcigl, technical services manager for ornamentals at Syngenta. “When applied, Postiva rapidly establishes a rainfast barrier of protection, preventing infection and disease progression. To stop diseases from spreading, growers should apply Postiva prior to or at the first sign of disease symptoms.”

“Postiva makes an excellent rotation partner to diversify programs for more comprehensive and broader-spectrum control,” said Dean Mosdell, Ph.D., technical services manager for ornamentals at Syngenta. “By using Postiva in rotation with Mural®, Palladium® and Daconil® brand fungicides, growers can create a robust disease and resistance management program.”

About Syngenta

Syngenta is a world market leader in crop protection products, offering farmers an extensive toolbox of solutions. We develop and produce herbicides, insecticides, fungicides and seed treatment products that promote strong and healthy growth.

The Syngenta Group is a leading global provider of agricultural science and technology, in particular seeds and crop protection products, with its headquarters in Basel, Switzerland, and further locations in Chicago, Tel Aviv, and Shanghai.

For more Information: Sign in Websites for Agrochemical & Pharmaceutical Databases:

Website : https://www.chemrobotics.com/ (Agrochemical Databases)

Website : https://chemroboticspharma.com/  (Pharmaceutical Databases)

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